149
FNUS51 KBOX 192010
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
409 PM EDT WED AUG 19 2026
DISCUSSION
GENERALLY TRANQUIL AND DRY WEATHER THROUGH THURSDAY, ALTHOUGH A
CHANCE FOR SHOWERS DOES EXIST THURSDAY.
LOWEST RELATIVE HUMIDITY VALUES WILL RANGE FROM 40 TO 60 PERCENT
TODAY AND 50 TO 60 PERCENT THURSDAY. VALUES MAY BE SLIGHTLY
HIGHER BOTH DAYS ALONG THE CAPE AND NANTUCKET.
OUTLOOK...FRIDAY THROUGH TUESDAY
DRY AND SEASONABLE FOR FRIDAY, WITH UNSETTLED WEATHER OVER THE
WEEKEND WITH A CHANCE FOR SHOWERS OR A THUNDERSTORM BOTH DAYS.
DRIER CONDITIONS RETURN FOR EARLY NEXT WEEK.
MAZ015-200800-
SUFFOLK MA-
INCLUDING THE CITY OF BOSTON
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 30 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 67 (0) 85 (-1) 63 80
RH % (24H TREND) 87 (-13) 44 (+2) 84 54
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR E 7
PRECIP AMOUNT 0.00 0.04 0.08 0.01
PRECIP DURATION 0 1 0
PRECIP BEGIN 3 PM CONTINUING 3 PM
PRECIP END CONTINUING 1 AM CONTINUING
MIXING HGT (FT-AGL) 420 4030 410 3250
TRANSPORT WND (KTS) W 7 NW 7 N 7 E 9
VENT RATE (KT-FT) 2940 28210 2870 29250
MAX ADI EARLY 18 GEN POOR 20 GEN POOR 8 POOR 33 FAIR
MAX ADI LATE 4 VERY POOR 27 FAIR 6 VERY POOR 25 FAIR
MAX LVORI EARLY 5 2 4 2
MAX LVORI LATE 5 2 4 2
MIN VSBY EARLY 9 9 7 8
MIN VSBY LATE 9 9 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 60S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 80.
EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID
60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 80. WEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
MAZ016-200800-
EASTERN NORFOLK MA-
INCLUDING THE CITY OF QUINCY
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 30 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 66 (0) 85 (-1) 62 79
RH % (24H TREND) 90 (-10) 44 (+2) 87 56
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR E 6
PRECIP AMOUNT 0.00 0.09 0.09 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 3 PM 6 PM
PRECIP END 5 PM 1 AM
MIXING HGT (FT-AGL) 420 4810 400 3260
TRANSPORT WND (KTS) SW 8 SW 7 N 6 E 8
VENT RATE (KT-FT) 3360 33670 2400 26080
MAX ADI EARLY 40 FAIR 31 FAIR 13 GEN POOR 33 FAIR
MAX ADI LATE 4 VERY POOR 44 GEN GOOD 6 VERY POOR 29 FAIR
MAX LVORI EARLY 5 2 5 2
MAX LVORI LATE 5 2 5 2
MIN VSBY EARLY 9 9 7 8
MIN VSBY LATE 9 9 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND
5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST
WINDS AROUND 5 MPH.
MAZ013-200800-
WESTERN NORFOLK MA-
INCLUDING THE CITIES OF FOXBOROUGH AND NORWOOD
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 30 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 65 (0) 84 (-2) 60 80
RH % (24H TREND) 93 (-7) 44 (+1) 90 54
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR E 5
PRECIP AMOUNT 0.00 0.06 0.08 0.02
PRECIP DURATION 0 1 1
PRECIP BEGIN 3 PM CONTINUING 12 PM
PRECIP END CONTINUING 2 AM CONTINUING
MIXING HGT (FT-AGL) 420 5010 370 4390
TRANSPORT WND (KTS) W 6 SW 9 N 6 E 8
VENT RATE (KT-FT) 2520 45090 2220 35120
MAX ADI EARLY 63 GOOD 33 FAIR 17 GEN POOR 34 FAIR
MAX ADI LATE 4 VERY POOR 61 GOOD 4 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 6 1 6 1
MAX LVORI LATE 6 1 6 1
MIN VSBY EARLY 9 9 7 8
MIN VSBY LATE 9 9 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS 57 TO 62.
HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST
WINDS AROUND 5 MPH.
MAZ014-200800-
SOUTHEAST MIDDLESEX MA-
INCLUDING THE CITY OF CAMBRIDGE
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 30 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 66 (0) 85 (-1) 62 80
RH % (24H TREND) 87 (-13) 44 (+4) 84 52
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR E 6
PRECIP AMOUNT 0.00 0.03 0.07 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 3 PM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 420 4680 420 4560
TRANSPORT WND (KTS) W 7 W 9 N 6 E 9
VENT RATE (KT-FT) 2940 42120 2520 41040
MAX ADI EARLY 75 GOOD 40 FAIR 18 GEN POOR 45 GEN GOOD
MAX ADI LATE 4 VERY POOR 50 GEN GOOD 5 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 5 2 5 1
MAX LVORI LATE 5 2 5 1
MIN VSBY EARLY 9 9 7 9
MIN VSBY LATE 9 9 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
80S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST
WINDS AROUND 5 MPH.
MAZ007-200800-
EASTERN ESSEX MA-
INCLUDING THE CITY OF GLOUCESTER
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 30 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 66 (+1) 83 (-1) 61 78
RH % (24H TREND) 87 (-13) 46 (+3) 90 52
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR E 5
PRECIP AMOUNT 0.00 0.03 0.11 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 3 PM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 420 3550 410 3070
TRANSPORT WND (KTS) W 7 W 6 N 6 E 9
VENT RATE (KT-FT) 2940 21300 2460 27630
MAX ADI EARLY 11 POOR 17 GEN POOR 7 POOR 29 FAIR
MAX ADI LATE 4 VERY POOR 21 FAIR 6 VERY POOR 28 FAIR
MAX LVORI EARLY 5 3 5 3
MAX LVORI LATE 5 3 5 3
MIN VSBY EARLY 9 9 7 8
MIN VSBY LATE 9 9 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS AROUND 80. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 80. WEST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
MAZ006-200800-
WESTERN ESSEX MA-
INCLUDING THE CITY OF LAWRENCE
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 30 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 64 (+1) 84 (-2) 59 80
RH % (24H TREND) 87 (-13) 44 (+2) 90 51
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR E 5
PRECIP AMOUNT 0.00 0.04 0.10 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 3 PM CONTINUING
PRECIP END CONTINUING 12 AM
MIXING HGT (FT-AGL) 420 5060 410 4690
TRANSPORT WND (KTS) W 6 W 9 N 6 E 9
VENT RATE (KT-FT) 2520 45540 2460 42210
MAX ADI EARLY 54 GEN GOOD 41 GEN GOOD 18 GEN POOR 46 GEN GOOD
MAX ADI LATE 3 VERY POOR 59 GEN GOOD 4 VERY POOR 53 GEN GOOD
MAX LVORI EARLY 5 1 6 1
MAX LVORI LATE 5 1 6 1
MIN VSBY EARLY 9 9 7 8
MIN VSBY LATE 9 9 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
80S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND 5 MPH IN THE
AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST
WINDS AROUND 5 MPH.
MAZ005-200800-
CENTRAL MIDDLESEX MA-
INCLUDING THE CITIES OF FRAMINGHAM AND LOWELL
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 20 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 64 (0) 84 (-2) 58 81
RH % (24H TREND) 90 (-10) 44 (+2) 90 49
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.03 0.07 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 3 PM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 420 5020 390 5700
TRANSPORT WND (KTS) W 6 W 9 N 6 E 9
VENT RATE (KT-FT) 2520 45180 2340 51300
MAX ADI EARLY 68 GOOD 41 GEN GOOD 18 GEN POOR 47 GEN GOOD
MAX ADI LATE 4 VERY POOR 57 GEN GOOD 4 VERY POOR 63 GOOD
MAX LVORI EARLY 6 2 5 1
MAX LVORI LATE 6 2 5 1
MIN VSBY EARLY 9 9 7 8
MIN VSBY LATE 9 8 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE LOWER 80S. EAST WINDS AROUND 5 MPH,
BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS IN THE LOWER 60S. SOUTHWEST WINDS AROUND
5 MPH.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. WEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST
WINDS AROUND 5 MPH.
MAZ012-200800-
SOUTHERN WORCESTER MA-
INCLUDING THE CITIES OF MILFORD AND WORCESTER
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 20 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 63 (0) 83 (-1) 58 80
RH % (24H TREND) 97 (-3) 47 (+1) 93 52
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.03 0.07 0.01
PRECIP DURATION 1 1 1
PRECIP BEGIN 2 PM CONTINUING 12 PM
PRECIP END CONTINUING 1 AM CONTINUING
MIXING HGT (FT-AGL) 410 4500 400 4950
TRANSPORT WND (KTS) SW 7 W 9 N 7 E 8
VENT RATE (KT-FT) 2870 40500 2800 39600
MAX ADI EARLY 60 GEN GOOD 32 FAIR 11 POOR 37 FAIR
MAX ADI LATE 4 VERY POOR 53 GEN GOOD 5 VERY POOR 49 GEN GOOD
MAX LVORI EARLY 6 2 6 1
MAX LVORI LATE 6 2 6 1
MIN VSBY EARLY 9 9 7 9
MIN VSBY LATE 9 7 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS AROUND 80. SOUTHEAST WINDS AROUND 5 MPH,
BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 60. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHWEST WINDS
AROUND 5 MPH.
MAZ004-200800-
NORTHERN WORCESTER MA-
INCLUDING THE CITIES OF BARRE AND FITCHBURG
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 30 20 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 60 (-1) 81 (-1) 55 80
RH % (24H TREND) 97 (-3) 47 (+3) 96 47
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.12 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 410 4220 400 5940
TRANSPORT WND (KTS) SW 6 W 8 N 6 E 8
VENT RATE (KT-FT) 2460 33760 2400 47520
MAX ADI EARLY 24 FAIR 35 FAIR 9 POOR 49 GEN GOOD
MAX ADI LATE 4 VERY POOR 42 GEN GOOD 4 VERY POOR 63 GOOD
MAX LVORI EARLY 7 2 6 1
MAX LVORI LATE 7 2 6 1
MIN VSBY EARLY 9 7 7 8
MIN VSBY LATE 7 7 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. SOUTHWEST WINDS AROUND
5 MPH.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID
50S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
MAZ026-200800-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITY OF AYER
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 20 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 62 (+1) 84 (0) 57 82
RH % (24H TREND) 90 (-10) 47 (+2) 87 51
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.12 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 3 PM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 420 5160 400 6080
TRANSPORT WND (KTS) W 6 SW 9 N 7 E 9
VENT RATE (KT-FT) 2520 46440 2800 54720
MAX ADI EARLY 52 GEN GOOD 46 GEN GOOD 13 GEN POOR 53 GEN GOOD
MAX ADI LATE 4 VERY POOR 58 GEN GOOD 4 VERY POOR 71 GOOD
MAX LVORI EARLY 6 2 5 1
MAX LVORI LATE 6 2 5 1
MIN VSBY EARLY 9 9 7 9
MIN VSBY LATE 9 8 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. EAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER
MIDNIGHT.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. NORTHEAST WINDS AROUND 5 MPH IN THE EVENING,
BECOMING LIGHT AND VARIABLE.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS AROUND 80. EAST WINDS AROUND 5 MPH, BECOMING
SOUTH AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. SOUTHWEST WINDS AROUND
5 MPH.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS AROUND 80. WEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 80S. SOUTHWEST
WINDS AROUND 5 MPH.
MAZ002-200800-
WESTERN FRANKLIN MA-
INCLUDING THE CITY OF CHARLEMONT
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 10 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 57 (-1) 78 (-2) 52 80
RH % (24H TREND) 96 (-4) 50 (+4) 93 47
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.11 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 430 3700 420 6000
TRANSPORT WND (KTS) NW 7 W 8 N 6 SE 6
VENT RATE (KT-FT) 3010 29600 2520 36000
MAX ADI EARLY 17 GEN POOR 32 FAIR 8 POOR 39 FAIR
MAX ADI LATE 4 VERY POOR 36 FAIR 4 VERY POOR 54 GEN GOOD
MAX LVORI EARLY 6 3 6 1
MAX LVORI LATE 6 3 6 1
MIN VSBY EARLY 9 2 FOG 7 7
MIN VSBY LATE 2 FOG 7 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. EAST WINDS AROUND 5 MPH.
SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE MID
70S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHWEST AROUND
5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 50S. WEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S.
HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ003-200800-
EASTERN FRANKLIN MA-
INCLUDING THE CITIES OF GREENFIELD AND ORANGE
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY MCLEAR
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 20 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 60 (0) 81 (-3) 55 82
RH % (24H TREND) 97 (-3) 47 (+3) 96 44
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.07 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 410 3940 400 6380
TRANSPORT WND (KTS) W 5 W 7 NW 4 SE 7
VENT RATE (KT-FT) 2050 27580 1600 44660
MAX ADI EARLY 21 FAIR 27 FAIR 7 POOR 40 FAIR
MAX ADI LATE 3 VERY POOR 36 FAIR 4 VERY POOR 60 GEN GOOD
MAX LVORI EARLY 7 2 7 1
MAX LVORI LATE 7 2 7 1
MIN VSBY EARLY 9 2 FOG 7 8
MIN VSBY LATE 2 FOG 7 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS
AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. EAST WINDS AROUND 5 MPH.
SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 70S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHWEST
AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. SOUTHWEST WINDS AROUND
5 MPH.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID
50S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
MAZ008-200800-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITY OF CHESTERFIELD
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 30 20 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 58 (0) 78 (-3) 53 79
RH % (24H TREND) 93 (-3) 52 (+6) 90 49
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.05 0.27 0.00
PRECIP DURATION 1 0
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT (FT-AGL) 430 3120 420 5610
TRANSPORT WND (KTS) NW 8 W 7 NW 6 SE 7
VENT RATE (KT-FT) 3440 21840 2520 39270
MAX ADI EARLY 21 FAIR 29 FAIR 9 POOR 41 GEN GOOD
MAX ADI LATE 4 VERY POOR 28 FAIR 5 VERY POOR 55 GEN GOOD
MAX LVORI EARLY 6 3 5 1
MAX LVORI LATE 6 3 5 1
MIN VSBY EARLY 9 5 FOG 7 8
MIN VSBY LATE 7 7 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. EAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. EAST WINDS AROUND 5 MPH.
SUNDAY
SHOWERS AND A CHANCE OF THUNDERSTORMS. HIGHS IN THE
UPPER 70S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHWEST
AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE MID 50S. WEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S.
HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ010-200800-
EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF AMHERST AND NORTHAMPTON
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 30 20 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 62 (+1) 82 (-3) 56 83
RH % (24H TREND) 93 (-7) 49 (+6) 96 47
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.03 0.20 0.00
PRECIP DURATION 1 0
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 12 AM
MIXING HGT (FT-AGL) 420 3220 390 5750
TRANSPORT WND (KTS) NW 4 W 6 N 4 SE 7
VENT RATE (KT-FT) 1680 19320 1560 40250
MAX ADI EARLY 18 GEN POOR 20 GEN POOR 8 POOR 36 FAIR
MAX ADI LATE 2 VERY POOR 27 FAIR 5 VERY POOR 56 GEN GOOD
MAX LVORI EARLY 7 3 6 1
MAX LVORI LATE 7 3 6 1
MIN VSBY EARLY 9 8 7 9
MIN VSBY LATE 8 7 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. WEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHWEST WINDS
AROUND 5 MPH.
MAZ009-200800-
WESTERN HAMPDEN MA-
INCLUDING THE CITY OF BLANDFORD
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 30 20 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 59 (0) 79 (-3) 55 79
RH % (24H TREND) 93 (-4) 56 (+9) 93 52
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.06 0.24 0.00
PRECIP DURATION 1 0
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT (FT-AGL) 420 2890 410 5140
TRANSPORT WND (KTS) SW 6 W 7 NW 6 E 8
VENT RATE (KT-FT) 2520 20230 2460 41120
MAX ADI EARLY 42 GEN GOOD 26 FAIR 8 POOR 38 FAIR
MAX ADI LATE 4 VERY POOR 28 FAIR 5 VERY POOR 58 GEN GOOD
MAX LVORI EARLY 6 3 5 1
MAX LVORI LATE 6 3 5 1
MIN VSBY EARLY 9 7 7 8
MIN VSBY LATE 8 7 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE UPPER 70S. SOUTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. WEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 50S.
HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ011-200800-
EASTERN HAMPDEN MA-
INCLUDING THE CITY OF SPRINGFIELD
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 30 20 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 62 (+1) 83 (-2) 57 83
RH % (24H TREND) 97 (-3) 49 (+8) 96 46
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.03 0.14 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 1 AM
MIXING HGT (FT-AGL) 420 3480 400 5620
TRANSPORT WND (KTS) NW 5 W 6 N 4 E 7
VENT RATE (KT-FT) 2100 20880 1600 39340
MAX ADI EARLY 22 FAIR 20 GEN POOR 8 POOR 34 FAIR
MAX ADI LATE 3 VERY POOR 30 FAIR 5 VERY POOR 52 GEN GOOD
MAX LVORI EARLY 7 2 6 2
MAX LVORI LATE 7 2 6 2
MIN VSBY EARLY 9 8 7 9
MIN VSBY LATE 9 7 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 50S. EAST WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS IN THE UPPER 50S. SOUTHWEST WINDS AROUND
5 MPH.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHWEST WINDS
AROUND 5 MPH.
CTZ002-200800-
HARTFORD CT-
INCLUDING THE CITIES OF HARTFORD AND WINDSOR LOCKS
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 30 30 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 63 (0) 82 (-3) 58 82
RH % (24H TREND) 97 (-3) 49 (+7) 97 49
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.08 0.28 0.01
PRECIP DURATION 1 1 1
PRECIP BEGIN 1 PM CONTINUING 12 PM
PRECIP END CONTINUING 2 AM CONTINUING
MIXING HGT (FT-AGL) 400 3800 370 5180
TRANSPORT WND (KTS) NW 6 W 8 N 5 E 8
VENT RATE (KT-FT) 2400 30400 1850 41440
MAX ADI EARLY 27 FAIR 21 FAIR 8 POOR 27 FAIR
MAX ADI LATE 3 VERY POOR 39 FAIR 4 VERY POOR 52 GEN GOOD
MAX LVORI EARLY 6 3 6 2
MAX LVORI LATE 6 3 6 2
MIN VSBY EARLY 9 8 7 9
MIN VSBY LATE 9 7 8 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 30 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS IN THE LOWER 80S. SOUTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. LOWS AROUND 60. WEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHWEST WINDS
AROUND 5 MPH.
CTZ003-200800-
TOLLAND CT-
INCLUDING THE CITIES OF UNION AND VERNON
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 30 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 63 (+1) 81 (-3) 57 81
RH % (24H TREND) 97 (-3) 52 (+7) 93 51
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.07 0.28 0.01
PRECIP DURATION 1 1 1
PRECIP BEGIN 1 PM CONTINUING 11 AM
PRECIP END CONTINUING 2 AM CONTINUING
MIXING HGT (FT-AGL) 400 3710 380 4940
TRANSPORT WND (KTS) NW 6 W 8 NE 5 E 8
VENT RATE (KT-FT) 2400 29680 1900 39520
MAX ADI EARLY 26 FAIR 21 FAIR 7 POOR 33 FAIR
MAX ADI LATE 3 VERY POOR 41 GEN GOOD 5 VERY POOR 48 GEN GOOD
MAX LVORI EARLY 8 3 6 2
MAX LVORI LATE 8 3 6 2
MIN VSBY EARLY 9 8 7 9
MIN VSBY LATE 9 7 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 30 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY AND A CHANCE OF
THUNDERSTORMS. HIGHS AROUND 80. SOUTHEAST WINDS AROUND 5 MPH,
BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 60. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHWEST WINDS
AROUND 5 MPH.
CTZ004-200800-
WINDHAM CT-
INCLUDING THE CITIES OF PUTNAM AND WILLIMANTIC
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 30 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 64 (+1) 83 (-1) 58 80
RH % (24H TREND) 100 (0) 51 (+3) 93 54
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.07 0.24 0.02
PRECIP DURATION 1 1 1
PRECIP BEGIN 1 PM CONTINUING 11 AM
PRECIP END CONTINUING 2 AM CONTINUING
MIXING HGT (FT-AGL) 400 3970 370 4330
TRANSPORT WND (KTS) NW 6 SW 8 N 5 E 8
VENT RATE (KT-FT) 2400 31760 1850 34640
MAX ADI EARLY 28 FAIR 25 FAIR 9 POOR 33 FAIR
MAX ADI LATE 3 VERY POOR 44 GEN GOOD 4 VERY POOR 46 GEN GOOD
MAX LVORI EARLY 8 2 6 2
MAX LVORI LATE 8 2 6 2
MIN VSBY EARLY 9 8 7 9
MIN VSBY LATE 9 7 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 30 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 50S. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. HIGHS IN THE LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS AND
THUNDERSTORMS. LOWS AROUND 60. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS AROUND 80. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHWEST WINDS
AROUND 5 MPH.
RIZ001-200800-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF FOSTER AND SMITHFIELD
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 30 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 65 (+1) 83 (-1) 59 80
RH % (24H TREND) 97 (-3) 51 (+3) 90 58
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.07 0.13 0.02
PRECIP DURATION 0 1 1
PRECIP BEGIN 3 PM CONTINUING 10 AM
PRECIP END CONTINUING 2 AM CONTINUING
MIXING HGT (FT-AGL) 400 4550 370 4360
TRANSPORT WND (KTS) NW 7 W 8 NW 6 E 8
VENT RATE (KT-FT) 2800 36400 2220 34880
MAX ADI EARLY 60 GEN GOOD 33 FAIR 13 GEN POOR 34 FAIR
MAX ADI LATE 4 VERY POOR 52 GEN GOOD 5 VERY POOR 45 GEN GOOD
MAX LVORI EARLY 7 1 5 2
MAX LVORI LATE 7 1 5 2
MIN VSBY EARLY 9 9 7 9
MIN VSBY LATE 9 8 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 30 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 80.
SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER
50S. HIGHS AROUND 80. WEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHWEST WINDS
AROUND 5 MPH.
RIZ002-200800-
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITY OF PROVIDENCE
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 30 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 67 (+1) 84 (-1) 61 80
RH % (24H TREND) 93 (-7) 51 (+2) 87 58
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.06 0.11 0.03
PRECIP DURATION 0 1 1
PRECIP BEGIN 3 PM CONTINUING 10 AM
PRECIP END CONTINUING 2 AM CONTINUING
MIXING HGT (FT-AGL) 420 4690 390 4320
TRANSPORT WND (KTS) W 6 W 8 NW 6 E 7
VENT RATE (KT-FT) 2520 37520 2340 30240
MAX ADI EARLY 56 GEN GOOD 29 FAIR 16 GEN POOR 33 FAIR
MAX ADI LATE 4 VERY POOR 52 GEN GOOD 4 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 6 2 5 2
MAX LVORI LATE 6 2 5 2
MIN VSBY EARLY 9 9 7 9
MIN VSBY LATE 9 9 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 30 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS AROUND 80. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHWEST WINDS
AROUND 5 MPH.
RIZ003-200800-
WESTERN KENT RI-
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 40 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 65 (0) 82 (-1) 60 79
RH % (24H TREND) 97 (-3) 54 (+1) 90 62
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.09 0.25 0.04
PRECIP DURATION 0 1 1
PRECIP BEGIN 2 PM CONTINUING 9 AM
PRECIP END CONTINUING 2 AM CONTINUING
MIXING HGT (FT-AGL) 420 4210 380 3800
TRANSPORT WND (KTS) NW 6 W 8 N 6 E 7
VENT RATE (KT-FT) 2520 33680 2280 26600
MAX ADI EARLY 32 FAIR 24 FAIR 14 GEN POOR 27 FAIR
MAX ADI LATE 4 VERY POOR 46 GEN GOOD 5 VERY POOR 40 FAIR
MAX LVORI EARLY 8 2 5 3
MAX LVORI LATE 8 2 5 3
MIN VSBY EARLY 9 9 7 9
MIN VSBY LATE 8 8 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 40 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 60S. EAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 80.
SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS 57 TO 62.
HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
RIZ004-200800-
EASTERN KENT RI-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 40 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 67 (0) 83 (-1) 62 79
RH % (24H TREND) 93 (-7) 51 (0) 87 58
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR E 5
PRECIP AMOUNT 0.00 0.13 0.15 0.03
PRECIP DURATION 0 1 1
PRECIP BEGIN 3 PM CONTINUING 9 AM
PRECIP END CONTINUING 2 AM CONTINUING
MIXING HGT (FT-AGL) 420 4260 410 4120
TRANSPORT WND (KTS) W 6 SW 7 N 5 E 7
VENT RATE (KT-FT) 2520 29820 2050 28840
MAX ADI EARLY 37 FAIR 24 FAIR 14 GEN POOR 27 FAIR
MAX ADI LATE 4 VERY POOR 38 FAIR 5 VERY POOR 37 FAIR
MAX LVORI EARLY 7 1 5 3
MAX LVORI LATE 7 1 5 3
MIN VSBY EARLY 9 9 7 9
MIN VSBY LATE 9 9 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 30 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 60S. EAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 80.
SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS AROUND 80. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST
WINDS AROUND 5 MPH.
RIZ005-200800-
BRISTOL RI-
INCLUDING THE CITY OF BRISTOL
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 40 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 68 (0) 83 (0) 64 79
RH % (24H TREND) 93 (-7) 55 (-4) 87 62
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) SW 5 LGT/VAR LGT/VAR E 5
PRECIP AMOUNT 0.00 0.16 0.15 0.04
PRECIP DURATION 0 1 2
PRECIP BEGIN 3 PM CONTINUING 7 AM
PRECIP END CONTINUING 2 AM CONTINUING
MIXING HGT (FT-AGL) 420 4040 410 4500
TRANSPORT WND (KTS) SW 7 SW 6 N 5 E 6
VENT RATE (KT-FT) 2940 24240 2050 27000
MAX ADI EARLY 32 FAIR 19 GEN POOR 13 GEN POOR 29 FAIR
MAX ADI LATE 5 VERY POOR 33 FAIR 4 VERY POOR 40 FAIR
MAX LVORI EARLY 7 2 5 3
MAX LVORI LATE 7 2 5 3
MIN VSBY EARLY 9 8 7 9
MIN VSBY LATE 8 9 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 30 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 60S. EAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 80.
SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS 61 TO 66. HIGHS
AROUND 80. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
RIZ006-200800-
WASHINGTON RI-
INCLUDING THE CITIES OF NARRAGANSETT AND WESTERLY
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 40 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 66 (0) 83 (+1) 61 79
RH % (24H TREND) 100 (0) 53 (-2) 90 62
20FT WND AM(MPH) LGT/VAR NE 5
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR E 6
PRECIP AMOUNT 0.00 0.10 0.32 0.06
PRECIP DURATION 0 2 2
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 400 3610 390 3500
TRANSPORT WND (KTS) W 6 W 5 NW 5 E 8
VENT RATE (KT-FT) 2400 18050 1950 28000
MAX ADI EARLY 17 GEN POOR 16 GEN POOR 10 POOR 22 FAIR
MAX ADI LATE 4 VERY POOR 27 FAIR 4 VERY POOR 32 FAIR
MAX LVORI EARLY 9 3 6 3
MAX LVORI LATE 9 3 6 3
MIN VSBY EARLY 9 8 7 9
MIN VSBY LATE 7 8 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 40 30
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 60S. HIGHS IN THE MID 70S. EAST WINDS 5 TO
10 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS AROUND 60.
HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
RIZ007-200800-
NEWPORT RI-
INCLUDING THE CITY OF NEWPORT
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 40 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 69 (0) 83 (+2) 65 79
RH % (24H TREND) 97 (-3) 51 (-10) 87 60
20FT WND AM(MPH) LGT/VAR NE 5
20FT WND PM(MPH) SW 6 SW 5 LGT/VAR E 7
PRECIP AMOUNT 0.00 0.09 0.18 0.07
PRECIP DURATION 0 2 2
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 2540 410 3610
TRANSPORT WND (KTS) SW 8 SW 6 N 5 E 8
VENT RATE (KT-FT) 3360 15240 2050 28880
MAX ADI EARLY 16 GEN POOR 9 POOR 10 POOR 23 FAIR
MAX ADI LATE 5 VERY POOR 11 POOR 5 VERY POOR 27 FAIR
MAX LVORI EARLY 7 3 5 3
MAX LVORI LATE 7 3 5 3
MIN VSBY EARLY 9 7 7 9
MIN VSBY LATE 5 FOG 8 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 30 30
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 60S. EAST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID
60S. HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
RIZ008-200800-
BLOCK ISLAND RI-
INCLUDING THE CITY OF NEW SHOREHAM
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 20 40 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 70 (0) 79 (+1) 68 76
RH % (24H TREND) 93 (-7) 71 (-8) 84 76
20FT WND AM(MPH) LGT/VAR NE 7
20FT WND PM(MPH) SW 7 W 5 W 5 E 8
PRECIP AMOUNT 0.00 0.01 0.26 0.09
PRECIP DURATION 0 2 2
PRECIP BEGIN 4 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 430 580 430 1250
TRANSPORT WND (KTS) SW 10 W 10 N 7 E 11
VENT RATE (KT-FT) 4300 5800 3010 13750
MAX ADI EARLY 16 GEN POOR 8 POOR 12 POOR 18 GEN POOR
MAX ADI LATE 8 POOR 12 POOR 7 POOR 18 GEN POOR
MAX LVORI EARLY 7 4 5 4
MAX LVORI LATE 7 4 5 4
MIN VSBY EARLY 9 7 7 9
MIN VSBY LATE 7 9 8 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 40 30
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 60S. HIGHS IN THE MID 70S. EAST WINDS 5 TO
10 MPH.
SUNDAY
PARTLY SUNNY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING SOUTH IN THE
AFTERNOON.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. WEST WINDS
5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. SOUTH WINDS 5 TO
10 MPH.
MAZ017-200800-
NORTHERN BRISTOL MA-
INCLUDING THE CITY OF TAUNTON
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR PCLDY MCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 20 30 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 66 (+1) 84 (-1) 61 80
RH % (24H TREND) 97 (-3) 49 (+1) 93 58
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.08 0.09 0.02
PRECIP DURATION 0 1 1
PRECIP BEGIN 3 PM CONTINUING 10 AM
PRECIP END CONTINUING 2 AM CONTINUING
MIXING HGT (FT-AGL) 420 4750 390 4280
TRANSPORT WND (KTS) W 6 SW 8 N 5 E 7
VENT RATE (KT-FT) 2520 38000 1950 29960
MAX ADI EARLY 51 GEN GOOD 30 FAIR 17 GEN POOR 30 FAIR
MAX ADI LATE 4 VERY POOR 52 GEN GOOD 3 VERY POOR 44 GEN GOOD
MAX LVORI EARLY 7 2 6 3
MAX LVORI LATE 7 2 6 3
MIN VSBY EARLY 9 8 7 8
MIN VSBY LATE 8 9 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 20 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 60. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS 57 TO 62. HIGHS IN
THE LOWER 80S. WEST WINDS AROUND 5 MPH.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS IN THE LOWER 80S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ018-200800-
WESTERN PLYMOUTH MA-
INCLUDING THE CITY OF BROCKTON
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 20 30 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 66 (+1) 84 (-1) 61 79
RH % (24H TREND) 97 (-3) 48 (+2) 93 58
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR E 5
PRECIP AMOUNT 0.00 0.12 0.08 0.02
PRECIP DURATION 0 1 1
PRECIP BEGIN 3 PM 6 PM 7 AM
PRECIP END 5 PM 2 AM CONTINUING
MIXING HGT (FT-AGL) 420 5050 410 3920
TRANSPORT WND (KTS) SW 8 SW 7 NW 5 E 8
VENT RATE (KT-FT) 3360 35350 2050 31360
MAX ADI EARLY 52 GEN GOOD 31 FAIR 17 GEN POOR 31 FAIR
MAX ADI LATE 4 VERY POOR 52 GEN GOOD 3 VERY POOR 40 FAIR
MAX LVORI EARLY 7 2 7 3
MAX LVORI LATE 7 2 7 3
MIN VSBY EARLY 9 8 7 6 FOG
MIN VSBY LATE 8 9 6 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 20 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 80S. SOUTH WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. SOUTHWEST WINDS AROUND 5 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS 58 TO 63. HIGHS IN
THE LOWER 80S. WEST WINDS AROUND 5 MPH.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE UPPER
50S. HIGHS AROUND 80. SOUTHWEST WINDS AROUND 5 MPH.
MAZ019-200800-
EASTERN PLYMOUTH MA-
INCLUDING THE CITY OF PLYMOUTH
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 20 40 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 67 (+1) 83 (-1) 62 77
RH % (24H TREND) 97 (-3) 48 (+5) 93 60
20FT WND AM(MPH) LGT/VAR NE 5
20FT WND PM(MPH) SW 5 LGT/VAR LGT/VAR E 6
PRECIP AMOUNT 0.00 0.08 0.07 0.01
PRECIP DURATION 0 1 1
PRECIP BEGIN 3 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 3280 400 2450
TRANSPORT WND (KTS) W 8 S 6 NW 5 E 8
VENT RATE (KT-FT) 3360 19680 2000 19600
MAX ADI EARLY 15 GEN POOR 13 GEN POOR 6 VERY POOR 23 FAIR
MAX ADI LATE 5 VERY POOR 12 POOR 5 VERY POOR 24 FAIR
MAX LVORI EARLY 6 3 6 3
MAX LVORI LATE 6 3 6 3
MIN VSBY EARLY 9 8 7 6 FOG
MIN VSBY LATE 8 9 5 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. EAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 60S. EAST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 80.
SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
HIGHS AROUND 80. SOUTHWEST WINDS 5 TO 10 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 60S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. SOUTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
MAZ020-200800-
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF FALL RIVER AND NEW BEDFORD
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 20 40 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 67 (0) 86 (+4) 62 80
RH % (24H TREND) 97 (-3) 51 (-6) 90 60
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) SW 5 SW 5 LGT/VAR E 6
PRECIP AMOUNT 0.00 0.00 0.12 0.06
PRECIP DURATION 2 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 4600 410 4240
TRANSPORT WND (KTS) SW 8 SW 7 NW 5 E 8
VENT RATE (KT-FT) 3360 32200 2050 33920
MAX ADI EARLY 30 FAIR 23 FAIR 15 GEN POOR 27 FAIR
MAX ADI LATE 5 VERY POOR 38 FAIR 4 VERY POOR 39 FAIR
MAX LVORI EARLY 7 2 6 3
MAX LVORI LATE 7 2 6 3
MIN VSBY EARLY 9 7 7 7
MIN VSBY LATE 4 FOG 8 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 60S. SOUTHEAST WINDS 5 TO 10 MPH.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS IN THE LOWER 60S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER
60S. HIGHS IN THE UPPER 70S. SOUTH WINDS 10 TO 15 MPH.
MAZ021-200800-
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITY OF MATTAPOISETT
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 40 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 67 (0) 85 (+2) 63 80
RH % (24H TREND) 97 (-3) 51 (-8) 90 62
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR E 6
PRECIP AMOUNT 0.00 0.00 0.10 0.05
PRECIP DURATION 1 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 420 4540 390 3750
TRANSPORT WND (KTS) SW 8 SW 7 NW 5 E 7
VENT RATE (KT-FT) 3360 31780 1950 26250
MAX ADI EARLY 24 FAIR 25 FAIR 11 POOR 26 FAIR
MAX ADI LATE 4 VERY POOR 38 FAIR 3 VERY POOR 35 FAIR
MAX LVORI EARLY 8 2 6 3
MAX LVORI LATE 8 2 6 3
MIN VSBY EARLY 9 7 7 7
MIN VSBY LATE 5 FOG 9 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 60S. EAST WINDS AROUND 5 MPH, BECOMING SOUTH AFTER MIDNIGHT.
SUNDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND 80.
SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY THROUGH TUESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER
60S. HIGHS AROUND 80. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS AROUND 80. SOUTHWEST WINDS 5 TO
10 MPH.
MAZ022-200800-
BARNSTABLE MA-
INCLUDING THE CITIES OF CHATHAM, FALMOUTH, AND PROVINCETOWN
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 40 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 69 (+2) 82 (+2) 66 76
RH % (24H TREND) 100 (0) 61 (-4) 93 69
20FT WND AM(MPH) LGT/VAR NE 5
20FT WND PM(MPH) SW 5 LGT/VAR LGT/VAR E 6
PRECIP AMOUNT 0.00 0.00 0.04 0.04
PRECIP DURATION 2 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 410 2820 380 2520
TRANSPORT WND (KTS) W 8 SW 6 N 5 E 8
VENT RATE (KT-FT) 3280 16920 1900 20160
MAX ADI EARLY 22 FAIR 9 POOR 8 POOR 20 GEN POOR
MAX ADI LATE 5 VERY POOR 11 POOR 4 VERY POOR 23 FAIR
MAX LVORI EARLY 8 4 6 4
MAX LVORI LATE 8 4 6 4
MIN VSBY EARLY 8 6 FOG 6 FOG 5 FOG
MIN VSBY LATE 6 FOG 9 5 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 10 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 60S. HIGHS AROUND 80. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY THROUGH WEDNESDAY
MOSTLY CLEAR. LOWS IN THE MID 60S.
HIGHS IN THE UPPER 70S. SOUTH WINDS 5 TO 10 MPH.
MAZ023-200800-
DUKES MA-
INCLUDING THE CITY OF VINEYARD HAVEN
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 50 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 69 (0) 83 (+4) 65 78
RH % (24H TREND) 100 (0) 59 (-10) 87 69
20FT WND AM(MPH) LGT/VAR NE 6
20FT WND PM(MPH) SW 7 SW 6 W 5 E 8
PRECIP AMOUNT 0.00 0.00 0.06 0.07
PRECIP DURATION 2 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 450 1290 410 2230
TRANSPORT WND (KTS) W 10 SW 6 N 7 E 9
VENT RATE (KT-FT) 4500 7740 2870 20070
MAX ADI EARLY 21 FAIR 9 POOR 13 GEN POOR 20 GEN POOR
MAX ADI LATE 7 POOR 13 GEN POOR 5 VERY POOR 23 FAIR
MAX LVORI EARLY 7 3 5 3
MAX LVORI LATE 7 3 5 3
MIN VSBY EARLY 9 7 6 FOG 7
MIN VSBY LATE 5 FOG 8 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 30
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 60S. HIGHS IN THE UPPER 70S. SOUTH WINDS 10 TO
15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 5 TO 10 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
HIGHS IN THE UPPER 70S. SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID
60S. HIGHS IN THE UPPER 70S. SOUTH WINDS 10 TO 15 MPH.
MAZ024-200800-
NANTUCKET MA-
INCLUDING THE CITY OF NANTUCKET
409 PM EDT WED AUG 19 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS SHOWERS
CHANCE PRECIP (%) 10 10 50 40
CHANCE OF THUNDER (%) 0 0 10 0
TEMP (24H TREND) 69 (+3) 79 (+1) 66 75
RH % (24H TREND) 100 (0) 74 (-4) 93 76
20FT WND AM(MPH) LGT/VAR NE 5
20FT WND PM(MPH) SW 7 SW 6 W 5 E 8
PRECIP AMOUNT 0.00 0.00 0.02 0.09
PRECIP DURATION 4 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING CONTINUING
MIXING HGT (FT-AGL) 510 840 440 1370
TRANSPORT WND (KTS) W 9 SW 7 SW 5 E 10
VENT RATE (KT-FT) 4590 5880 2200 13700
MAX ADI EARLY 23 FAIR 10 POOR 10 POOR 16 GEN POOR
MAX ADI LATE 7 POOR 9 POOR 5 VERY POOR 17 GEN POOR
MAX LVORI EARLY 7 4 6 5
MAX LVORI LATE 7 4 6 5
MIN VSBY EARLY 9 3 FOG 2 FOG 1 FOG
MIN VSBY LATE 3 FOG 8 4 FOG 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 10 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
70S. SOUTHEAST WINDS 10 TO 15 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 60S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
70S. SOUTH WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS 10 TO
15 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLEAR. LOWS IN THE UPPER 60S.
HIGHS IN THE MID 70S. SOUTHWEST WINDS 10 TO 15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 60S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO
10 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION ABOVE NORMAL.
FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON
YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.BOSTON.GOV
YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page