493
FNUS51 KBOX 202009
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
409 PM EDT SAT JUN 20 2026
DISCUSSION
BREEZY CONDITIONS CONTINUE THROUGH TODAY. WEST WINDS BETWEEN
15 AND 20 MPH GUSTING UP TO 40 MPH AT TIMES. WINDS DIMINISH
TONIGHT, AND COULD BE LIGHT ENOUGH SUNDAY TO PERMIT SEABREEZES TO
DEVELOP BY LATE MORNING INTO THE AFTERNOON. RISK FOR AFTERNOON
SHOWERS, AND PERHAPS A FEW THUNDERSTORMS, TODAY AND SUNDAY.
GREATEST RISK ACROSS NORTHERN AND EASTERN MA.
MINIMUM RELATIVE HUMIDITY LEVELS ACROSS MOST OF OUR REGION
EXPECTED BETWEEN 35-55 PERCENT BOTH TODAY AND SUNDAY.
OUTLOOK...SUNDAY NIGHT THROUGH WEDNESDAY
NEAR TO SLIGHTLY ABOVE NORMAL TEMPERATURES CONTINUE THROUGH THIS
PORTION OF THE FORECAST, EXCEPT FOR BELOW NORMAL TEMPERATURES
MONDAY. A MORE WIDESPREAD, SUBSTANTIAL RAINFALL IS ANTICIPATED TO
ARRIVE DURING THE DAY MONDAY, CONTINUE THROUGH MONDAY NIGHT, THEN
DRY OUT DURING TUESDAY. DRY WEATHER EXPECTED FOR WEDNESDAY.
MAZ015-210800-
SUFFOLK-
INCLUDING THE CITIES OF ALLSTON, BOSTON, BRIGHTON, CHARLESTOWN,
DORCHESTER, EAST BOSTON, AND FOREST HILLS
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 20 30 30 50
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 59 (-4) 81 (+3) 60 82
RH % (24H TREND) 87 (+15) 39 (+8) 90 48
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 7 G21 W 5 LGT/VAR S 5
PRECIP AMOUNT 0.03 0.06 0.03 0.27
PRECIP DURATION 0 1 0 1
PRECIP BEGIN 6 PM 2 PM CONTINUING 1 PM
PRECIP END 8 PM CONTINUING 8 PM CONTINUING
MIXING HGT (FT-AGL) 430 7180 390 4320
TRANSPORT WND (KTS) W 9 W 11 W 6 SW 8
VENT RATE (KT-FT) 3870 78980 2340 34560
MAX ADI EARLY 23 FAIR 64 GOOD 14 GEN POOR 35 FAIR
MAX ADI LATE 10 POOR 65 GOOD 7 POOR 37 FAIR
MAX LVORI EARLY 4 2 5 2
MAX LVORI LATE 4 2 5 2
MIN VSBY EARLY 10 10 10 9
MIN VSBY LATE 10 10 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 20 20 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS. LOWS IN THE LOWER 60S. SOUTHEAST WINDS
5 TO 10 MPH.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 70S. NORTH WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH, BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHWEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ016-210800-
EASTERN NORFOLK-
INCLUDING THE CITIES OF QUINCY, WEYMOUTH, BRAINTREE, AND MILTON
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 20 20 30 50
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 59 (-3) 81 (+3) 59 83
RH % (24H TREND) 87 (+15) 39 (+4) 87 47
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 6 G21 W 5 LGT/VAR S 5
PRECIP AMOUNT 0.01 0.03 0.01 0.27
PRECIP DURATION 0 0 0 1
PRECIP BEGIN 6 PM 2 PM CONTINUING 1 PM
PRECIP END 8 PM CONTINUING 8 PM CONTINUING
MIXING HGT (FT-AGL) 430 7480 390 4360
TRANSPORT WND (KTS) W 9 W 11 W 6 SW 9
VENT RATE (KT-FT) 3870 82280 2340 39240
MAX ADI EARLY 34 FAIR 83 GOOD 28 FAIR 46 GEN GOOD
MAX ADI LATE 10 POOR 94 GOOD 7 POOR 48 GEN GOOD
MAX LVORI EARLY 5 1 5 2
MAX LVORI LATE 5 1 5 2
MIN VSBY EARLY 10 10 10 9
MIN VSBY LATE 10 10 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 10 10 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS. LOWS IN THE LOWER 60S. SOUTHEAST WINDS
5 TO 10 MPH.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO
10 MPH, BECOMING NORTH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH, BECOMING NORTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ013-210800-
WESTERN NORFOLK-
INCLUDING THE CITIES OF AVON, RANDOLPH, STOUGHTON, FRANKLIN,
MEDWAY, WRENTHAM, AND NEEDHAM
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 20 20 20 60
CHANCE OF THUNDER (%) 0 20 0 0
TEMP (24H TREND) 57 (-3) 79 (+1) 57 80
RH % (24H TREND) 90 (+15) 36 (+2) 93 45
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 5 G20 W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.05 0.00 0.34
PRECIP DURATION 0 2
PRECIP BEGIN 2 PM 12 PM
PRECIP END 6 PM CONTINUING
MIXING HGT (FT-AGL) 430 7500 390 4570
TRANSPORT WND (KTS) W 8 W 13 NW 6 SW 11
VENT RATE (KT-FT) 3440 97500 2340 50270
MAX ADI EARLY 96 GOOD 98 GOOD 39 FAIR 59 GEN GOOD
MAX ADI LATE 9 POOR 105 VERY GOOD7 POOR 63 GOOD
MAX LVORI EARLY 5 1 6 3
MAX LVORI LATE 5 1 6 3
MIN VSBY EARLY 10 10 10 9
MIN VSBY LATE 10 10 9 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 0 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS. LOWS AROUND 60. SOUTHEAST WINDS AROUND
5 MPH.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 70S. WEST WINDS AROUND
5 MPH, BECOMING NORTH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. NORTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTH WINDS
AROUND 5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. WEST WINDS AROUND 5 MPH.
MAZ014-210800-
SOUTHEAST MIDDLESEX-
INCLUDING THE CITIES OF CAMBRIDGE, NEWTON, SOMERVILLE, WALTHAM,
WESTON, MALDEN, AND MEDFORD
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 20 30 30 50
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 59 (-3) 80 (+2) 59 81
RH % (24H TREND) 87 (+12) 39 (+2) 90 47
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 6 G21 W 5 LGT/VAR S 5
PRECIP AMOUNT 0.02 0.06 0.04 0.28
PRECIP DURATION 0 1 0 1
PRECIP BEGIN 6 PM 2 PM CONTINUING 1 PM
PRECIP END 8 PM CONTINUING 8 PM CONTINUING
MIXING HGT (FT-AGL) 430 7640 390 5040
TRANSPORT WND (KTS) W 9 W 13 NW 7 SW 10
VENT RATE (KT-FT) 3870 99320 2730 50400
MAX ADI EARLY 50 GEN GOOD 91 GOOD 49 GEN GOOD 56 GEN GOOD
MAX ADI LATE 9 POOR 105 VERY GOOD7 POOR 63 GOOD
MAX LVORI EARLY 5 1 5 2
MAX LVORI LATE 5 1 5 2
MIN VSBY EARLY 10 10 10 9
MIN VSBY LATE 10 10 9 5 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 20 20 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS. LOWS IN THE LOWER 60S. SOUTHEAST WINDS
AROUND 5 MPH.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 80S. NORTH WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTH WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. WEST WINDS AROUND 5 MPH.
MAZ007-210800-
EASTERN ESSEX-
INCLUDING THE CITIES OF LYNN, NEWBURY, PEABODY, BEVERLY,
HAMILTON, WENHAM, AND GLOUCESTER
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 20 30 40 50
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 59 (-3) 79 (+3) 58 80
RH % (24H TREND) 93 (+18) 42 (+7) 93 50
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 5 G20 LGT/VAR LGT/VAR S 5
PRECIP AMOUNT 0.03 0.13 0.10 0.23
PRECIP DURATION 0 1 0 1
PRECIP BEGIN 6 PM 2 PM CONTINUING 2 PM
PRECIP END 8 PM CONTINUING 8 PM CONTINUING
MIXING HGT (FT-AGL) 410 4450 360 3120
TRANSPORT WND (KTS) W 9 W 9 W 6 S 6
VENT RATE (KT-FT) 3690 40050 2160 18720
MAX ADI EARLY 19 GEN POOR 35 FAIR 7 POOR 20 GEN POOR
MAX ADI LATE 10 POOR 39 FAIR 8 POOR 21 FAIR
MAX LVORI EARLY 5 2 6 3
MAX LVORI LATE 5 2 6 3
MIN VSBY EARLY 10 10 10 9
MIN VSBY LATE 10 10 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 30 30 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS. LOWS IN THE LOWER 60S. SOUTHEAST WINDS
10 TO 15 MPH.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 70S. NORTH WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS AROUND 80. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS
AROUND 5 MPH.
MAZ006-210800-
WESTERN ESSEX-
INCLUDING THE CITIES OF LAWRENCE, NORTH ANDOVER, GROVELAND,
HAVERHILL, WEST NEWBURY, AND METHUEN
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR PCLDY MCLEAR PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 20 30 40 50
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 58 (-4) 78 (+2) 57 80
RH % (24H TREND) 90 (+18) 42 (+5) 96 47
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 5 G21 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.04 0.19 0.09 0.23
PRECIP DURATION 0 1 0 1
PRECIP BEGIN 6 PM 1 PM CONTINUING 2 PM
PRECIP END 8 PM CONTINUING 8 PM CONTINUING
MIXING HGT (FT-AGL) 410 6480 390 4950
TRANSPORT WND (KTS) W 7 W 12 NW 6 SW 10
VENT RATE (KT-FT) 2870 77760 2340 49500
MAX ADI EARLY 54 GEN GOOD 80 GOOD 20 GEN POOR 48 GEN GOOD
MAX ADI LATE 8 POOR 99 GOOD 7 POOR 60 GEN GOOD
MAX LVORI EARLY 6 1 6 3
MAX LVORI LATE 6 1 6 3
MIN VSBY EARLY 10 10 10 9
MIN VSBY LATE 10 10 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 20 30 40 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS. LOWS IN THE UPPER 50S. SOUTHEAST WINDS
AROUND 5 MPH.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTH
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
FRIDAY THROUGH SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. WEST
WINDS AROUND 5 MPH.
MAZ005-210800-
CENTRAL MIDDLESEX COUNTY-
INCLUDING THE CITIES OF DRACUT, LOWELL, FRAMINGHAM, LINCOLN,
MARLBOROUGH, CARLISLE, AND CHELMSFORD
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE TSTMS TSTMS NONE SHOWERS
CHANCE PRECIP (%) 20 30 30 60
CHANCE OF THUNDER (%) 20 20 0 0
TEMP (24H TREND) 57 (-3) 79 (+2) 57 80
RH % (24H TREND) 90 (+12) 38 (+4) 96 47
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 5 G21 W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.09 0.00 0.31
PRECIP DURATION 0 1 2
PRECIP BEGIN 6 PM 2 PM 12 PM
PRECIP END 8 PM 6 PM CONTINUING
MIXING HGT (FT-AGL) 420 7200 380 4970
TRANSPORT WND (KTS) W 8 W 13 NW 6 SW 10
VENT RATE (KT-FT) 3360 93600 2280 49700
MAX ADI EARLY 79 GOOD 91 GOOD 40 FAIR 60 GEN GOOD
MAX ADI LATE 9 POOR 105 VERY GOOD7 POOR 65 GOOD
MAX LVORI EARLY 6 1 6 2
MAX LVORI LATE 6 1 6 2
MIN VSBY EARLY 10 10 10 9
MIN VSBY LATE 10 10 9 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 20 0 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS. LOWS IN THE UPPER 50S. SOUTHEAST WINDS
AROUND 5 MPH.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND
5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. NORTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 80S. SOUTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. WEST WINDS AROUND 5 MPH.
MAZ012-210800-
SOUTHERN WORCESTER-
INCLUDING THE CITIES OF AUBURN, WORCESTER, AND MILLVILLE
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 10 20 20 60
CHANCE OF THUNDER (%) 0 20 0 0
TEMP (24H TREND) 56 (-3) 78 (+2) 55 79
RH % (24H TREND) 90 (+13) 39 (+2) 96 49
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 6 G22 W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.00 0.47
PRECIP DURATION 0 2
PRECIP BEGIN 2 PM 11 AM
PRECIP END 6 PM CONTINUING
MIXING HGT (FT-AGL) 430 6800 390 4190
TRANSPORT WND (KTS) W 9 W 13 NW 7 SW 10
VENT RATE (KT-FT) 3870 88400 2730 41900
MAX ADI EARLY 103 VERY GOOD96 GOOD 48 GEN GOOD 54 GEN GOOD
MAX ADI LATE 10 POOR 105 VERY GOOD7 POOR 55 GEN GOOD
MAX LVORI EARLY 5 1 6 3
MAX LVORI LATE 5 1 6 3
MIN VSBY EARLY 10 10 10 9
MIN VSBY LATE 10 10 9 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 0 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS. LOWS IN THE UPPER 50S. SOUTHEAST WINDS
5 TO 10 MPH.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 70S. NORTH WINDS 5 TO
10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. WEST WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. WEST WINDS AROUND 5 MPH.
MAZ004-210800-
NORTHERN WORCESTER-
INCLUDING THE CITY OF WEST BOYLSTON
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 20 20 20 60
CHANCE OF THUNDER (%) 0 20 0 0
TEMP (24H TREND) 53 (-5) 77 (+4) 53 77
RH % (24H TREND) 96 (+9) 38 (+5) 100 45
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 6 G23 W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.00 0.46
PRECIP DURATION 0 2
PRECIP BEGIN 2 PM 11 AM
PRECIP END 6 PM CONTINUING
MIXING HGT (FT-AGL) 430 6420 400 3940
TRANSPORT WND (KTS) W 8 W 13 NW 6 SW 10
VENT RATE (KT-FT) 3440 83460 2400 39400
MAX ADI EARLY 61 GOOD 86 GOOD 49 GEN GOOD 46 GEN GOOD
MAX ADI LATE 9 POOR 97 GOOD 7 POOR 46 GEN GOOD
MAX LVORI EARLY 6 1 7 3
MAX LVORI LATE 6 1 7 3
MIN VSBY EARLY 10 10 10 6 FOG
MIN VSBY LATE 10 10 6 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 0 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS. LOWS IN THE UPPER 50S. EAST WINDS 5 TO
10 MPH.
TUESDAY
SHOWERS. HIGHS IN THE MID 70S. NORTH WINDS 5 TO
10 MPH.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN
THE UPPER 50S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS. LOWS IN THE UPPER 50S. HIGHS IN THE UPPER 70S.
SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
80. WEST WINDS 5 TO 10 MPH.
MAZ026-210800-
NORTHWEST MIDDLESEX COUNTY-
INCLUDING THE CITIES OF AYER, PEPPERELL, SHIRLEY, ASHBY, GROTON,
AND TOWNSEND
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE TSTMS TSTMS NONE SHOWERS
CHANCE PRECIP (%) 30 30 30 60
CHANCE OF THUNDER (%) 20 20 0 0
TEMP (24H TREND) 56 (-4) 78 (+3) 55 80
RH % (24H TREND) 90 (+12) 43 (+6) 96 50
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.10 0.00 0.34
PRECIP DURATION 0 1 2
PRECIP BEGIN 6 PM 2 PM 12 PM
PRECIP END 8 PM 6 PM CONTINUING
MIXING HGT (FT-AGL) 430 6510 390 4540
TRANSPORT WND (KTS) W 8 W 13 NW 7 SW 10
VENT RATE (KT-FT) 3440 84630 2730 45400
MAX ADI EARLY 98 GOOD 86 GOOD 46 GEN GOOD 51 GEN GOOD
MAX ADI LATE 9 POOR 105 VERY GOOD7 POOR 62 GOOD
MAX LVORI EARLY 6 1 6 3
MAX LVORI LATE 6 1 6 3
MIN VSBY EARLY 10 10 10 9
MIN VSBY LATE 10 10 9 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 20 0 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS. LOWS IN THE UPPER 50S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND
5 MPH.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN
THE UPPER 50S. HIGHS IN THE MID 80S. WEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
THURSDAY NIGHT THROUGH SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 60. HIGHS IN THE LOWER 80S. WEST WINDS
AROUND 5 MPH.
MAZ002-210800-
WESTERN FRANKLIN-
INCLUDING THE CITY OF LEYDEN
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 20 30 20 80
CHANCE OF THUNDER (%) 0 30 0 0
TEMP (24H TREND) 52 (-4) 75 (+5) 51 74
RH % (24H TREND) 86 (-4) 42 (+5) 96 57
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 5 G23 W 5 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.00 0.58
PRECIP DURATION 1 3
PRECIP BEGIN 2 PM 10 AM
PRECIP END 6 PM CONTINUING
MIXING HGT (FT-AGL) 440 6040 400 3060
TRANSPORT WND (KTS) W 9 W 13 NW 6 SW 9
VENT RATE (KT-FT) 3960 78520 2400 27540
MAX ADI EARLY 101 VERY GOOD90 GOOD 73 GOOD 40 FAIR
MAX ADI LATE 10 POOR 99 GOOD 7 POOR 39 FAIR
MAX LVORI EARLY 5 1 6 3
MAX LVORI LATE 5 1 6 3
MIN VSBY EARLY 10 10 10 8
MIN VSBY LATE 10 10 8 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 0 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS. LOWS IN THE MID 50S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. NORTH WINDS AROUND 5 MPH.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN
THE MID 50S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE
OF THUNDERSTORMS. LOWS IN THE UPPER 50S. SOUTH WINDS AROUND
5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY. LOWS IN
THE UPPER 50S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. WEST WINDS AROUND 5 MPH.
MAZ003-210800-
EASTERN FRANKLIN-
INCLUDING THE CITIES OF DEERFIELD, GREENFIELD, LEVERETT,
SHUTESBURY, BERNARDSTON, NEW SALEM, AND ORANGE
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 20 20 20 70
CHANCE OF THUNDER (%) 0 20 0 0
TEMP (24H TREND) 53 (-5) 77 (+3) 53 77
RH % (24H TREND) 96 (+12) 39 (+8) 100 48
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 5 G21 W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.07 0.00 0.56
PRECIP DURATION 0 3
PRECIP BEGIN 2 PM 10 AM
PRECIP END 6 PM CONTINUING
MIXING HGT (FT-AGL) 420 6390 350 3140
TRANSPORT WND (KTS) W 5 W 12 NW 5 SW 10
VENT RATE (KT-FT) 2100 76680 1750 31400
MAX ADI EARLY 76 GOOD 81 GOOD 53 GEN GOOD 40 FAIR
MAX ADI LATE 6 VERY POOR 93 GOOD 4 VERY POOR 41 GEN GOOD
MAX LVORI EARLY 6 1 8 3
MAX LVORI LATE 6 1 8 3
MIN VSBY EARLY 10 10 10 6 FOG
MIN VSBY LATE 10 10 6 FOG 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 0 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS. LOWS IN THE MID 50S. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
TUESDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. NORTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN
THE UPPER 50S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
80S. SOUTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO
10 MPH.
MAZ008-210800-
WESTERN HAMPSHIRE-
INCLUDING THE CITIES OF HUNTINGTON, CHESTERFIELD, GOSHEN,
WESTHAMPTON, AND WILLIAMSBURG
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 20 20 10 80
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (-4) 75 (+4) 52 73
RH % (24H TREND) 83 (-3) 43 (+2) 93 57
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 7 G23 W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.06 0.00 0.75
PRECIP DURATION 0 4
PRECIP BEGIN 2 PM 10 AM
PRECIP END 5 PM CONTINUING
MIXING HGT (FT-AGL) 440 6130 410 2970
TRANSPORT WND (KTS) W 10 W 13 NW 7 SW 9
VENT RATE (KT-FT) 4400 79690 2870 26730
MAX ADI EARLY 72 GOOD 86 GOOD 75 GOOD 35 FAIR
MAX ADI LATE 11 POOR 101 VERY GOOD8 POOR 31 FAIR
MAX LVORI EARLY 4 1 6 3
MAX LVORI LATE 4 1 6 3
MIN VSBY EARLY 10 10 10 7
MIN VSBY LATE 10 10 7 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 0 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS. LOWS IN THE MID 50S. EAST WINDS AROUND
5 MPH.
TUESDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. NORTH WINDS AROUND 5 MPH.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN
THE UPPER 50S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. SOUTH WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS. LOWS IN THE UPPER 50S. HIGHS IN THE
UPPER 70S. WEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS
AROUND 5 MPH.
MAZ010-210800-
EASTERN HAMPSHIRE-
INCLUDING THE CITIES OF SOUTHAMPTON, NORTHAMPTON, AMHERST,
AND EASTHAMPTON
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLDY
PRECIP TYPE NONE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 10 20 10 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 54 (-5) 79 (+3) 54 78
RH % (24H TREND) 90 (+3) 40 (+8) 96 57
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 6 G23 W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.08 0.00 0.69
PRECIP DURATION 0 3
PRECIP BEGIN 2 PM 10 AM
PRECIP END 5 PM CONTINUING
MIXING HGT (FT-AGL) 410 6340 370 2780
TRANSPORT WND (KTS) W 5 W 12 NW 4 SW 9
VENT RATE (KT-FT) 2050 76080 1480 25020
MAX ADI EARLY 65 GOOD 84 GOOD 54 GEN GOOD 33 FAIR
MAX ADI LATE 7 POOR 90 GOOD 4 VERY POOR 32 FAIR
MAX LVORI EARLY 5 1 7 3
MAX LVORI LATE 5 1 7 3
MIN VSBY EARLY 10 10 10 9
MIN VSBY LATE 10 10 9 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 0 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS. LOWS IN THE UPPER 50S. EAST WINDS 5 TO
10 MPH.
TUESDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. NORTH WINDS 5 TO 10 MPH.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
80S. SOUTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO
10 MPH.
MAZ009-210800-
WESTERN HAMPDEN-
INCLUDING THE CITIES OF BLANDFORD, MONTGOMERY, AND RUSSELL
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE TSTMS NONE TSTMS
CHANCE PRECIP (%) 10 20 10 80
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 53 (-3) 76 (+3) 53 75
RH % (24H TREND) 83 (0) 43 (0) 93 55
20FT WND AM(MPH) NW 5 LGT/VAR
20FT WND PM(MPH) NW 7 G23 W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.06 0.00 1.01
PRECIP DURATION 0 4
PRECIP BEGIN 2 PM 10 AM
PRECIP END 4 PM CONTINUING
MIXING HGT (FT-AGL) 440 6290 400 2590
TRANSPORT WND (KTS) W 10 W 13 NW 7 S 9
VENT RATE (KT-FT) 4400 81770 2800 23310
MAX ADI EARLY 102 VERY GOOD87 GOOD 72 GOOD 31 FAIR
MAX ADI LATE 10 POOR 100 GOOD 8 POOR 29 FAIR
MAX LVORI EARLY 4 1 6 3
MAX LVORI LATE 4 1 6 3
MIN VSBY EARLY 10 10 10 8
MIN VSBY LATE 10 10 8 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 0 80
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE MID 50S. EAST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. NORTH WINDS AROUND 5 MPH.
TUESDAY NIGHT THROUGH WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN
THE UPPER 50S. HIGHS IN THE LOWER 80S. NORTHWEST WINDS AROUND
5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS AROUND 80. SOUTH WINDS AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. SOUTH WINDS AROUND 5 MPH.
FRIDAY
PARTLY SUNNY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 70S. SOUTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE UPPER 50S. SOUTHWEST WINDS AROUND
5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 80. WEST WINDS AROUND
5 MPH.
MAZ011-210800-
EASTERN HAMPDEN-
INCLUDING THE CITIES OF EAST LONGMEADOW, SPRINGFIELD, CHICOPEE,
WESTFIELD, AND HOLYOKE
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR MCLEAR MCLEAR MCLDY
PRECIP TYPE NONE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 10 20 10 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 55 (-4) 79 (+3) 55 77
RH % (24H TREND) 86 (+8) 35 (+3) 93 52
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 7 G23 W 7 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.00 0.75
PRECIP DURATION 0 3
PRECIP BEGIN 2 PM 10 AM
PRECIP END 5 PM CONTINUING
MIXING HGT (FT-AGL) 410 6430 370 2910
TRANSPORT WND (KTS) W 6 W 12 NW 4 SW 9
VENT RATE (KT-FT) 2460 77160 1480 26190
MAX ADI EARLY 62 GOOD 92 GOOD 59 GEN GOOD 32 FAIR
MAX ADI LATE 6 VERY POOR 95 GOOD 3 VERY POOR 28 FAIR
MAX LVORI EARLY 5 1 6 3
MAX LVORI LATE 5 1 6 3
MIN VSBY EARLY 10 10 10 9
MIN VSBY LATE 10 10 9 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 0 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 50S. EAST WINDS 5 TO 10 MPH.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 70S. NORTH WINDS 5 TO
10 MPH.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. WEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS. LOWS AROUND 60. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO
10 MPH.
CTZ002-210800-
HARTFORD-
INCLUDING THE CITIES OF HARTFORD, FARMINGTON, NEW BRITAIN,
WEST HARTFORD, BRISTOL, PLAINVILLE, AND EAST HARTFORD
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 10 70
CHANCE OF THUNDER (%) 0 0 0 30
TEMP (24H TREND) 56 (-4) 79 (+1) 56 77
RH % (24H TREND) 83 (-4) 35 (+4) 93 53
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) NW 6 G22 W 6 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.84
PRECIP DURATION 3
PRECIP BEGIN 10 AM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 390 6710 360 2370
TRANSPORT WND (KTS) W 5 W 12 NW 4 S 8
VENT RATE (KT-FT) 1950 80520 1440 18960
MAX ADI EARLY 78 GOOD 99 GOOD 58 GEN GOOD 24 FAIR
MAX ADI LATE 6 VERY POOR 92 GOOD 5 VERY POOR 24 FAIR
MAX LVORI EARLY 5 1 6 3
MAX LVORI LATE 5 1 6 3
MIN VSBY EARLY 10 10 10 8
MIN VSBY LATE 10 10 8 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 50S. EAST WINDS 5 TO 10 MPH.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 70S. NORTH WINDS 5 TO
10 MPH.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS AROUND 60. WEST WINDS
AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
5 TO 10 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS
AROUND 5 MPH.
CTZ003-210800-
TOLLAND-
INCLUDING THE CITIES OF MANSFIELD, STORRS, WILLINGTON, ROCKVILLE,
STAFFORD, STAFFORD SPRINGS, AND ELLINGTON
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR MCLEAR MCLEAR MCLDY
PRECIP TYPE NONE NONE NONE TSTMS
CHANCE PRECIP (%) 10 10 10 70
CHANCE OF THUNDER (%) 0 0 0 20
TEMP (24H TREND) 55 (-4) 79 (+3) 55 77
RH % (24H TREND) 83 (-4) 41 (+3) 96 57
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) NW 6 G23 W 7 LGT/VAR S 5
PRECIP AMOUNT 0.00 0.00 0.00 0.69
PRECIP DURATION 3
PRECIP BEGIN 10 AM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 400 6490 380 2960
TRANSPORT WND (KTS) W 7 W 13 NW 5 SW 8
VENT RATE (KT-FT) 2800 84370 1900 23680
MAX ADI EARLY 58 GEN GOOD 96 GOOD 60 GEN GOOD 31 FAIR
MAX ADI LATE 8 POOR 103 VERY GOOD5 VERY POOR 24 FAIR
MAX LVORI EARLY 5 1 6 3
MAX LVORI LATE 5 1 6 3
MIN VSBY EARLY 10 10 10 8
MIN VSBY LATE 10 10 7 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE UPPER 50S. SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 70S. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
5 TO 10 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS. LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S.
SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS
AROUND 5 MPH.
CTZ004-210800-
WINDHAM-
INCLUDING THE CITIES OF CHAPLIN, WILLIMANTIC, ASHFORD, PUTNAM,
DANIELSON, AND KILLINGLY
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 20 10 70
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 56 (-2) 78 (+1) 55 78
RH % (24H TREND) 83 (-1) 35 (-3) 96 48
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 6 G22 W 6 LGT/VAR S 5
PRECIP AMOUNT 0.00 0.00 0.00 0.59
PRECIP DURATION 2
PRECIP BEGIN 11 AM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 420 6690 390 3410
TRANSPORT WND (KTS) W 8 W 13 NW 5 SW 9
VENT RATE (KT-FT) 3360 86970 1950 30690
MAX ADI EARLY 57 GEN GOOD 98 GOOD 44 GEN GOOD 39 FAIR
MAX ADI LATE 9 POOR 105 VERY GOOD6 VERY POOR 27 FAIR
MAX LVORI EARLY 5 1 6 3
MAX LVORI LATE 5 1 6 3
MIN VSBY EARLY 10 10 10 8
MIN VSBY LATE 10 10 8 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 70
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS
AROUND 60. SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 70S. WEST WINDS AROUND
5 MPH, BECOMING NORTH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 50S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 50S. SOUTHWEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. SOUTH WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. WEST WINDS
AROUND 5 MPH.
RIZ001-210800-
NORTHWEST PROVIDENCE-
INCLUDING THE CITIES OF BLACKSTONE, NORTH SMITHFIELD, WOONSOCKET,
AND CENTRAL FALLS
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 10 20 10 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 57 (-3) 78 (+1) 56 79
RH % (24H TREND) 86 (+8) 39 (-4) 93 52
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 6 G21 W 6 LGT/VAR S 5
PRECIP AMOUNT 0.00 0.08 0.00 0.48
PRECIP DURATION 0 2
PRECIP BEGIN 2 PM 11 AM
PRECIP END 6 PM CONTINUING
MIXING HGT (FT-AGL) 430 7060 390 4060
TRANSPORT WND (KTS) W 9 W 14 NW 6 SW 10
VENT RATE (KT-FT) 3870 98840 2340 40600
MAX ADI EARLY 102 VERY GOOD101 VERY GOOD39 FAIR 55 GEN GOOD
MAX ADI LATE 10 POOR 105 VERY GOOD7 POOR 54 GEN GOOD
MAX LVORI EARLY 4 1 6 3
MAX LVORI LATE 4 1 6 3
MIN VSBY EARLY 10 10 10 9
MIN VSBY LATE 10 10 9 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 0 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. SOUTHEAST WINDS 5 TO 10 MPH.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 70S. WEST WINDS AROUND
5 MPH, BECOMING NORTH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. NORTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND
5 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. WEST WINDS AROUND 5 MPH.
RIZ002-210800-
SOUTHEAST PROVIDENCE-
INCLUDING THE CITIES OF PROVIDENCE, CRANSTON, PAWTUCKET,
AND EAST PROVIDENCE
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 10 20 10 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 59 (-2) 81 (+2) 58 81
RH % (24H TREND) 81 (+9) 38 (+1) 90 52
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 6 G20 W 6 LGT/VAR S 5
PRECIP AMOUNT 0.00 0.11 0.00 0.42
PRECIP DURATION 0 2
PRECIP BEGIN 2 PM 11 AM
PRECIP END 6 PM CONTINUING
MIXING HGT (FT-AGL) 430 7240 380 4080
TRANSPORT WND (KTS) W 9 W 14 NW 6 SW 10
VENT RATE (KT-FT) 3870 101360 2280 40800
MAX ADI EARLY 60 GEN GOOD 105 VERY GOOD40 FAIR 56 GEN GOOD
MAX ADI LATE 10 POOR 105 VERY GOOD7 POOR 53 GEN GOOD
MAX LVORI EARLY 4 1 5 3
MAX LVORI LATE 4 1 5 3
MIN VSBY EARLY 10 10 10 9
MIN VSBY LATE 10 10 9 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 0 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO
10 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
RIZ003-210800-
WESTERN KENT-
INCLUDING THE CITY OF COVENTRY
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER CLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 10 10 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 57 (-3) 78 (0) 57 78
RH % (24H TREND) 80 (+2) 39 (-3) 93 52
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 6 G20 W 7 LGT/VAR S 5
PRECIP AMOUNT 0.00 0.00 0.00 0.48
PRECIP DURATION 2
PRECIP BEGIN 11 AM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 420 7380 390 3520
TRANSPORT WND (KTS) W 9 W 14 NW 5 SW 9
VENT RATE (KT-FT) 3780 103320 1950 31680
MAX ADI EARLY 74 GOOD 105 VERY GOOD36 FAIR 42 GEN GOOD
MAX ADI LATE 10 POOR 105 VERY GOOD6 VERY POOR 40 FAIR
MAX LVORI EARLY 4 1 6 3
MAX LVORI LATE 4 1 6 3
MIN VSBY EARLY 10 10 10 9
MIN VSBY LATE 10 10 9 2 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO
10 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS AROUND 80. SOUTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
RIZ004-210800-
EASTERN KENT-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 10 10 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 59 (-3) 80 (+1) 59 80
RH % (24H TREND) 78 (+5) 35 (-1) 87 48
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 6 G20 W 7 LGT/VAR S 6
PRECIP AMOUNT 0.00 0.00 0.00 0.41
PRECIP DURATION 2
PRECIP BEGIN 11 AM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 430 7430 400 3420
TRANSPORT WND (KTS) W 9 W 14 NW 6 SW 9
VENT RATE (KT-FT) 3870 104020 2400 30780
MAX ADI EARLY 55 GEN GOOD 103 VERY GOOD33 FAIR 39 FAIR
MAX ADI LATE 10 POOR 105 VERY GOOD7 POOR 39 FAIR
MAX LVORI EARLY 4 1 5 3
MAX LVORI LATE 4 1 5 3
MIN VSBY EARLY 10 10 10 9
MIN VSBY LATE 10 10 9 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO
10 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS AROUND 80. SOUTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS AROUND 80. SOUTHWEST WINDS AROUND
5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
RIZ005-210800-
BRISTOL-
INCLUDING THE CITIES OF BRISTOL, WARREN, AND BARRINGTON
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 10 10 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 60 (-2) 79 (+1) 60 80
RH % (24H TREND) 81 (0) 42 (+4) 90 54
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 7 G19 SW 7 LGT/VAR S 6
PRECIP AMOUNT 0.00 0.00 0.00 0.38
PRECIP DURATION 2
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 430 6670 400 2920
TRANSPORT WND (KTS) W 8 W 13 NW 5 SW 9
VENT RATE (KT-FT) 3440 86710 2000 26280
MAX ADI EARLY 42 GEN GOOD 84 GOOD 15 GEN POOR 32 FAIR
MAX ADI LATE 9 POOR 101 VERY GOOD6 VERY POOR 33 FAIR
MAX LVORI EARLY 4 2 5 3
MAX LVORI LATE 4 2 5 3
MIN VSBY EARLY 10 10 10 9
MIN VSBY LATE 10 10 9 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO
10 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 60S. HIGHS AROUND 80. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
5 TO 10 MPH.
RIZ006-210800-
WASHINGTON-
INCLUDING THE CITIES OF NORTH KINGSTOWN, WESTERLY, NARRAGANSETT,
HOPKINTON, AND RICHMOND
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 10 10 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 58 (-3) 79 (+1) 57 79
RH % (24H TREND) 84 (-13) 39 (0) 93 49
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 5 G19 SW 7 LGT/VAR SE 6
PRECIP AMOUNT 0.00 0.00 0.00 0.46
PRECIP DURATION 2
PRECIP BEGIN 11 AM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 410 6960 390 2730
TRANSPORT WND (KTS) W 8 W 13 NW 6 SW 8
VENT RATE (KT-FT) 3280 90480 2340 21840
MAX ADI EARLY 48 GEN GOOD 93 GOOD 24 FAIR 22 FAIR
MAX ADI LATE 9 POOR 94 GOOD 7 POOR 21 FAIR
MAX LVORI EARLY 4 1 6 3
MAX LVORI LATE 4 1 6 3
MIN VSBY EARLY 10 10 10 7
MIN VSBY LATE 10 10 6 FOG 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 10 TO
15 MPH, BECOMING NORTHWEST 5 TO 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
RIZ007-210800-
NEWPORT-
INCLUDING THE CITIES OF JAMESTOWN, NEWPORT, AND TIVERTON
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 10 10 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 60 (-3) 77 (+1) 61 79
RH % (24H TREND) 84 (0) 42 (+1) 90 52
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 7 G18 SW 9 SW 5 S 7
PRECIP AMOUNT 0.00 0.00 0.00 0.35
PRECIP DURATION 2
PRECIP BEGIN 11 AM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 430 4730 400 1890
TRANSPORT WND (KTS) W 8 SW 12 NW 6 S 7
VENT RATE (KT-FT) 3440 56760 2400 13230
MAX ADI EARLY 25 FAIR 41 GEN GOOD 15 GEN POOR 13 GEN POOR
MAX ADI LATE 10 POOR 55 GEN GOOD 7 POOR 17 GEN POOR
MAX LVORI EARLY 4 2 5 3
MAX LVORI LATE 4 2 5 3
MIN VSBY EARLY 10 10 10 9
MIN VSBY LATE 10 10 9 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
MID 70S. SOUTHWEST WINDS 10 TO 15 MPH, BECOMING NORTHWEST 5 TO
10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
5 TO 10 MPH.
RIZ008-210800-
BLOCK ISLAND-
INCLUDING THE CITY OF BLOCK ISLAND
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR CLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 61 (-1) 71 (0) 61 76
RH % (24H TREND) 84 (-9) 57 (+4) 90 62
20FT WND AM(MPH) W 5 LGT/VAR
20FT WND PM(MPH) W 8 G20 SW 10 SW 8 SE 7
PRECIP AMOUNT 0.00 0.00 0.00 0.36
PRECIP DURATION 2
PRECIP BEGIN 11 AM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 420 580 340 1050
TRANSPORT WND (KTS) W 9 SW 12 W 10 E 15
VENT RATE (KT-FT) 3780 6960 3400 15750
MAX ADI EARLY 19 GEN POOR 11 POOR 19 GEN POOR 7 POOR
MAX ADI LATE 10 POOR 19 GEN POOR 8 POOR 19 GEN POOR
MAX LVORI EARLY 5 3 6 5
MAX LVORI LATE 5 3 6 5
MIN VSBY EARLY 10 10 10 9
MIN VSBY LATE 10 10 9 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 60
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
MID 70S. SOUTHWEST WINDS 10 TO 15 MPH, BECOMING NORTHWEST 5 TO
10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH
WINDS 5 TO 10 MPH.
FRIDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT AND SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.
MAZ017-210800-
NORTHERN BRISTOL-
INCLUDING THE CITIES OF EASTON, BERKLEY, FREETOWN, TAUNTON,
SEEKONK, AND ATTLEBOROUGH
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 20 20 20 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 57 (-3) 80 (+1) 57 80
RH % (24H TREND) 87 (+6) 36 (0) 93 47
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 5 G19 W 6 LGT/VAR S 5
PRECIP AMOUNT 0.00 0.10 0.00 0.35
PRECIP DURATION 0 2
PRECIP BEGIN 2 PM 12 PM
PRECIP END 6 PM CONTINUING
MIXING HGT (FT-AGL) 410 7000 400 3900
TRANSPORT WND (KTS) W 8 W 13 NW 5 SW 10
VENT RATE (KT-FT) 3280 91000 2000 39000
MAX ADI EARLY 83 GOOD 99 GOOD 32 FAIR 48 GEN GOOD
MAX ADI LATE 9 POOR 105 VERY GOOD6 VERY POOR 51 GEN GOOD
MAX LVORI EARLY 5 1 6 3
MAX LVORI LATE 5 1 6 3
MIN VSBY EARLY 10 10 10 9
MIN VSBY LATE 10 10 9 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 0 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. SOUTH WINDS 5 TO 10 MPH.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
AROUND 5 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 60. NORTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 80S. NORTHWEST WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ018-210800-
WESTERN PLYMOUTH-
INCLUDING THE CITY OF BROCKTON
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE TSTMS TSTMS NONE SHOWERS
CHANCE PRECIP (%) 20 20 20 50
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 57 (-4) 80 (+1) 58 81
RH % (24H TREND) 90 (+12) 38 (-1) 90 49
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR W 5 LGT/VAR S 5
PRECIP AMOUNT 0.02 0.07 0.00 0.28
PRECIP DURATION 0 0 1
PRECIP BEGIN 6 PM 2 PM 12 PM
PRECIP END 8 PM 6 PM CONTINUING
MIXING HGT (FT-AGL) 410 7250 390 4130
TRANSPORT WND (KTS) W 8 W 13 NW 5 SW 10
VENT RATE (KT-FT) 3280 94250 1950 41300
MAX ADI EARLY 58 GEN GOOD 96 GOOD 26 FAIR 51 GEN GOOD
MAX ADI LATE 9 POOR 104 VERY GOOD6 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 5 1 6 2
MAX LVORI LATE 5 1 6 2
MIN VSBY EARLY 10 10 10 9
MIN VSBY LATE 10 10 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 10 0 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS. LOWS IN THE LOWER 60S. SOUTH WINDS
AROUND 5 MPH.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
AROUND 5 MPH, BECOMING NORTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 80S. NORTH WINDS AROUND
5 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTH WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ019-210800-
EASTERN PLYMOUTH-
INCLUDING THE CITIES OF PLYMOUTH, KINGSTON, HINGHAM, SCITUATE,
COHASSET, NORWELL, AND MARSHFIELD
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE TSTMS TSTMS NONE SHOWERS
CHANCE PRECIP (%) 20 20 20 50
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 59 (-3) 79 (+2) 59 82
RH % (24H TREND) 90 (+12) 39 (+5) 90 47
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 5 G19 LGT/VAR LGT/VAR S 5
PRECIP AMOUNT 0.03 0.06 0.00 0.25
PRECIP DURATION 0 0 1
PRECIP BEGIN 6 PM 2 PM 1 PM
PRECIP END 9 PM 6 PM CONTINUING
MIXING HGT (FT-AGL) 420 5100 380 3310
TRANSPORT WND (KTS) W 10 W 9 NW 6 S 6
VENT RATE (KT-FT) 4200 45900 2280 19860
MAX ADI EARLY 17 GEN POOR 42 GEN GOOD 11 POOR 20 GEN POOR
MAX ADI LATE 10 POOR 37 FAIR 7 POOR 24 FAIR
MAX LVORI EARLY 5 2 5 2
MAX LVORI LATE 5 2 5 2
MIN VSBY EARLY 10 10 10 8
MIN VSBY LATE 10 10 8 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 10 0 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS. LOWS IN THE LOWER 60S. SOUTHEAST WINDS
10 TO 15 MPH.
TUESDAY
SHOWERS. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO
10 MPH, BECOMING NORTH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 80S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHWEST
WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 80S. SOUTH WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
FRIDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ020-210800-
SOUTHERN BRISTOL-
INCLUDING THE CITIES OF NEW BEDFORD AND FALL RIVER
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 10 10 60
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 58 (-3) 81 (+3) 58 82
RH % (24H TREND) 87 (+3) 39 (+1) 90 47
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 5 G19 SW 8 LGT/VAR S 6
PRECIP AMOUNT 0.00 0.00 0.00 0.31
PRECIP DURATION 2
PRECIP BEGIN 12 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 420 6870 390 3550
TRANSPORT WND (KTS) W 8 W 13 NW 5 SW 8
VENT RATE (KT-FT) 3360 89310 1950 28400
MAX ADI EARLY 59 GEN GOOD 89 GOOD 18 GEN POOR 35 FAIR
MAX ADI LATE 9 POOR 100 GOOD 6 VERY POOR 38 FAIR
MAX LVORI EARLY 5 2 6 3
MAX LVORI LATE 5 2 6 3
MIN VSBY EARLY 10 10 10 9
MIN VSBY LATE 10 10 9 3 FOG
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH, BECOMING NORTHWEST 5 TO
10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. NORTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTH
WINDS 5 TO 10 MPH.
FRIDAY
PARTLY SUNNY. HIGHS AROUND 80. SOUTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
5 TO 10 MPH.
MAZ021-210800-
SOUTHERN PLYMOUTH-
INCLUDING THE CITIES OF MATTAPOISETT, WAREHAM, MARION,
AND ROCHESTER
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE SHOWERS NONE NONE SHOWERS
CHANCE PRECIP (%) 20 10 10 50
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 58 (-3) 81 (+3) 59 82
RH % (24H TREND) 90 (+9) 42 (+1) 90 51
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR SW 7 LGT/VAR S 5
PRECIP AMOUNT 0.04 0.00 0.00 0.26
PRECIP DURATION 0 1
PRECIP BEGIN 6 PM 1 PM
PRECIP END 9 PM CONTINUING
MIXING HGT (FT-AGL) 410 6640 370 4020
TRANSPORT WND (KTS) W 8 W 13 NW 5 SW 8
VENT RATE (KT-FT) 3280 86320 1850 32160
MAX ADI EARLY 43 GEN GOOD 83 GOOD 15 GEN POOR 44 GEN GOOD
MAX ADI LATE 9 POOR 97 GOOD 6 VERY POOR 43 GEN GOOD
MAX LVORI EARLY 5 2 6 3
MAX LVORI LATE 5 2 6 3
MIN VSBY EARLY 10 10 10 8
MIN VSBY LATE 10 10 8 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 0 0 50
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS AND A CHANCE OF THUNDERSTORMS. LOWS IN
THE LOWER 60S. SOUTH WINDS 10 TO 15 MPH.
TUESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH, BECOMING NORTHWEST 5 TO
10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS AROUND 80. SOUTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS AROUND 80. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
5 TO 10 MPH.
MAZ022-210800-
BARNSTABLE-
INCLUDING THE CITIES OF BARNSTABLE AND HYANNIS
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR MCLEAR MCLEAR PCLDY
PRECIP TYPE TSTMS NONE NONE SHOWERS
CHANCE PRECIP (%) 20 10 10 40
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 61 (-2) 79 (+2) 63 84
RH % (24H TREND) 100 (0) 47 (+4) 90 48
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 5 G19 SW 7 LGT/VAR S 5
PRECIP AMOUNT 0.05 0.00 0.00 0.17
PRECIP DURATION 0 1
PRECIP BEGIN 6 PM 1 PM
PRECIP END 10 PM CONTINUING
MIXING HGT (FT-AGL) 410 3760 370 2550
TRANSPORT WND (KTS) W 9 W 11 NW 6 S 7
VENT RATE (KT-FT) 3690 41360 2220 17850
MAX ADI EARLY 19 GEN POOR 32 FAIR 17 GEN POOR 13 GEN POOR
MAX ADI LATE 10 POOR 38 FAIR 7 POOR 19 GEN POOR
MAX LVORI EARLY 5 2 5 2
MAX LVORI LATE 5 2 5 2
MIN VSBY EARLY 10 10 10 8
MIN VSBY LATE 10 10 8 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 0 0 40
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS. LOWS IN THE UPPER 60S. SOUTH WINDS 10 TO
15 MPH.
TUESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
LOWER 80S. SOUTHWEST WINDS 10 TO 15 MPH, BECOMING NORTHWEST 5 TO
10 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 60S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHWEST
WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTH
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S.
HIGHS AROUND 80. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS
5 TO 10 MPH.
MAZ023-210800-
DUKES-
INCLUDING THE CITIES OF AQUINNAH, CHILMARK, EDGARTOWN,
OAK BLUFFS, TISBURY, VINEYARD HAVEN, AND WEST TISBURY
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 10 10 50
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 61 (-2) 77 (+3) 62 82
RH % (24H TREND) 87 (-6) 47 (+1) 90 50
20FT WND AM(MPH) W 6 LGT/VAR
20FT WND PM(MPH) W 8 G22 SW 10 G17 SW 7 S 7
PRECIP AMOUNT 0.00 0.00 0.00 0.17
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 420 1710 390 1430
TRANSPORT WND (KTS) W 10 W 12 NW 6 S 7
VENT RATE (KT-FT) 4200 20520 2340 10010
MAX ADI EARLY 22 FAIR 22 FAIR 20 GEN POOR 9 POOR
MAX ADI LATE 12 POOR 23 FAIR 7 POOR 18 GEN POOR
MAX LVORI EARLY 4 2 5 3
MAX LVORI LATE 4 2 5 3
MIN VSBY EARLY 10 10 10 8
MIN VSBY LATE 10 10 8 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 40
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS. LOWS IN THE MID 60S. SOUTH WINDS 15 TO
20 MPH.
TUESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 15 TO 20 MPH, BECOMING WEST 10 TO
15 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. NORTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
THURSDAY
SUNNY. HIGHS IN THE MID 70S. SOUTH WINDS 5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 60S. SOUTH WINDS
5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
10 TO 15 MPH.
MAZ024-210800-
NANTUCKET-
INCLUDING THE CITY OF NANTUCKET
409 PM EDT SAT JUN 20 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLEAR CLEAR MCLEAR PCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 20 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 64 (+1) 73 (+2) 64 79
RH % (24H TREND) 90 (-3) 60 (+1) 87 60
20FT WND AM(MPH) W 6 LGT/VAR
20FT WND PM(MPH) W 10 G23 SW 9 SW 7 S 6
PRECIP AMOUNT 0.00 0.00 0.00 0.06
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END CONTINUING
MIXING HGT (FT-AGL) 430 1100 420 1080
TRANSPORT WND (KTS) W 10 W 13 NW 7 SE 10
VENT RATE (KT-FT) 4300 14300 2940 10800
MAX ADI EARLY 28 FAIR 17 GEN POOR 18 GEN POOR 8 POOR
MAX ADI LATE 12 POOR 19 GEN POOR 8 POOR 15 GEN POOR
MAX LVORI EARLY 5 3 5 4
MAX LVORI LATE 5 3 5 4
MIN VSBY EARLY 10 10 10 7
MIN VSBY LATE 10 10 8 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 30
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
SHOWERS. LOWS IN THE MID 60S. SOUTH WINDS 15 TO
20 MPH.
TUESDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 70S. SOUTHWEST WINDS 15 TO 20 MPH, BECOMING WEST 10 TO
15 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE MID 60S. NORTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY AND WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID
60S. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY
SUNNY. HIGHS IN THE LOWER 70S. SOUTH WINDS 5 TO
10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTH WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO
10 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS
5 TO 10 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION ABOVE NORMAL.
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