137
FNUS51 KBOX 200808
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
408 AM EDT WED MAY 20 2026
DISCUSSION
SCATTERED THUNDERSTORMS POSSIBLE WEDNESDAY WITH ONE MORE DAY OF
HOT TEMPERATURES. GUSTY WINDS WILL ALSO BE MAKING A RETURN DURING
THE DAY. THURSDAY SHOWERS LINGER OVER CT, RI, AND SOUTHEAST MA IN
THE MORNING, DRYING OUT THROUGH THE DAY. TEMPERATURES WILL BE
MUCH COOLER.
ON WEDNESDAY MINIMUM RELATIVE HUMIDITY WILL BE 40 TO 50 PERCENT,
EXCEPT 50 TO 65 PERCENT ALONG THE IMMEDIATE SOUTH COAST AND
CAPE/ISLANDS. THURSDAY MINIMUM RELATIVE HUMIDITY WILL BE 25 TO
40 PERCENT, EXCEPT 50 TO 60 PERCENT ALONG THE IMMEDIATE SOUTH
COAST AND CAPE/ISLANDS.
OUTLOOK...FRIDAY THROUGH TUESDAY
CONTINUED COOL AND DRY FRIDAY, THEN AN APPROACHING FRONTAL
BOUNDARY FROM THE SOUTH WILL BRING AN INCREASING RISK FOR SHOWERS
NEXT WEEKEND BUT UNCERTAINTY IS HIGH.
MAZ015-202000-
SUFFOLK MA-
INCLUDING THE CITY OF BOSTON
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 30 20 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 92 (0) 55 (-13) 68
RH % (24H TREND) 43 (+6) 62 (-19) 34
20FT WND AM(MPH) SW 7 N 5
20FT WND PM(MPH) W 10 G18 W 7 G17 NE 5
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 5380 820 4590
TRANSPORT WND (KTS) W 19 W 14 N 8
VENT RATE (KT-FT) 102220 11480 36720
MAX ADI EARLY 55 GEN GOOD 31 FAIR 49 GEN GOOD
MAX ADI LATE 60 GEN GOOD 44 GEN GOOD 41 GEN GOOD
MAX LVORI EARLY 1 2 2
MAX LVORI LATE 1 2 2
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTH WINDS
5 TO 10 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY THROUGH SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 50. HIGHS AROUND 60. EAST WINDS 5 TO 10 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS
AROUND 5 MPH.
MAZ016-202000-
EASTERN NORFOLK MA-
INCLUDING THE CITY OF QUINCY
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 30 20 10
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 92 (+1) 54 (-13) 66
RH % (24H TREND) 42 (+4) 63 (-19) 37
20FT WND AM(MPH) SW 7 N 5
20FT WND PM(MPH) W 9 G17 W 7 LGT/VAR
PRECIP AMOUNT 0.03 0.01 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT (FT-AGL) 5670 750 4450
TRANSPORT WND (KTS) W 19 NW 12 N 7
VENT RATE (KT-FT) 107730 9000 31150
MAX ADI EARLY 94 GOOD 40 FAIR 48 GEN GOOD
MAX ADI LATE 67 GOOD 36 FAIR 41 GEN GOOD
MAX LVORI EARLY 1 2 1
MAX LVORI LATE 1 2 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 20 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS AROUND 60. EAST WINDS 5 TO
10 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS
AROUND 5 MPH.
MAZ013-202000-
WESTERN NORFOLK MA-
INCLUDING THE CITIES OF FOXBOROUGH AND NORWOOD
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 30 20 10
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 92 (0) 54 (-13) 67
RH % (24H TREND) 42 (+4) 66 (-21) 31
20FT WND AM(MPH) SW 6 N 5
20FT WND PM(MPH) W 8 G17 W 5 LGT/VAR
PRECIP AMOUNT 0.04 0.02 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT (FT-AGL) 6040 600 6250
TRANSPORT WND (KTS) W 21 NW 11 NW 10
VENT RATE (KT-FT) 126840 6600 62500
MAX ADI EARLY 105 VERY GOOD89 GOOD 54 GEN GOOD
MAX ADI LATE 105 VERY GOOD27 FAIR 85 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 20 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 40S. HIGHS AROUND 60. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND 5 MPH.
MAZ014-202000-
SOUTHEAST MIDDLESEX MA-
INCLUDING THE CITY OF CAMBRIDGE
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 20 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 91 (-3) 56 (-13) 68
RH % (24H TREND) 43 (+8) 58 (-26) 30
20FT WND AM(MPH) SW 7 N 5
20FT WND PM(MPH) W 10 G18 W 6 LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 2 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 6060 820 5970
TRANSPORT WND (KTS) W 23 W 14 NW 10
VENT RATE (KT-FT) 139380 11480 59700
MAX ADI EARLY 91 GOOD 59 GEN GOOD 53 GEN GOOD
MAX ADI LATE 85 GOOD 54 GEN GOOD 76 GOOD
MAX LVORI EARLY 1 2 1
MAX LVORI LATE 1 2 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. SOUTH WINDS AROUND
5 MPH, BECOMING SOUTHWEST AROUND 5 MPH AFTER MIDNIGHT.
SATURDAY THROUGH SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST
WINDS 5 TO 10 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 60S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS
AROUND 5 MPH.
MAZ007-202000-
EASTERN ESSEX MA-
INCLUDING THE CITY OF GLOUCESTER
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 91 (+1) 53 (-11) 66
RH % (24H TREND) 43 (+6) 75 (-25) 34
20FT WND AM(MPH) SW 7 N 5
20FT WND PM(MPH) W 9 G18 NW 6 LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END 5 PM
MIXING HGT (FT-AGL) 4810 560 4280
TRANSPORT WND (KTS) W 20 W 13 NW 8
VENT RATE (KT-FT) 96200 7280 34240
MAX ADI EARLY 54 GEN GOOD 31 FAIR 39 FAIR
MAX ADI LATE 57 GEN GOOD 26 FAIR 36 FAIR
MAX LVORI EARLY 1 2 2
MAX LVORI LATE 1 2 2
MIN VSBY EARLY 8 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. SOUTH WINDS 5 TO
10 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY THROUGH MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS 58 TO 64. EAST WINDS 5 TO
10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTH WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS AROUND 70. NORTH WINDS AROUND
5 MPH.
MAZ006-202000-
WESTERN ESSEX MA-
INCLUDING THE CITY OF LAWRENCE
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 90 (-3) 54 (-11) 67
RH % (24H TREND) 39 (+8) 55 (-42) 26
20FT WND AM(MPH) W 6 LGT/VAR
20FT WND PM(MPH) W 9 G19 NW 6 LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 2 PM
PRECIP END 5 PM
MIXING HGT (FT-AGL) 6020 580 6690
TRANSPORT WND (KTS) W 24 W 12 NW 11
VENT RATE (KT-FT) 144480 6960 73590
MAX ADI EARLY 105 VERY GOOD102 VERY GOOD52 GEN GOOD
MAX ADI LATE 90 GOOD 27 FAIR 99 GOOD
MAX LVORI EARLY 1 2 1
MAX LVORI LATE 1 2 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS AROUND 60. EAST WINDS 5 TO
10 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS
AROUND 5 MPH.
MAZ005-202000-
CENTRAL MIDDLESEX MA-
INCLUDING THE CITIES OF FRAMINGHAM AND LOWELL
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 91 (-2) 54 (-13) 68
RH % (24H TREND) 41 (+6) 62 (-31) 26
20FT WND AM(MPH) W 6 N 5
20FT WND PM(MPH) W 9 G19 W 5 LGT/VAR
PRECIP AMOUNT 0.03 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 5850 620 6560
TRANSPORT WND (KTS) W 23 NW 12 NW 12
VENT RATE (KT-FT) 134550 7440 78720
MAX ADI EARLY 105 VERY GOOD87 GOOD 58 GEN GOOD
MAX ADI LATE 86 GOOD 41 GEN GOOD 102 VERY GOOD
MAX LVORI EARLY 1 2 1
MAX LVORI LATE 1 2 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST
WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTHEAST WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND 5 MPH.
MAZ012-202000-
SOUTHERN WORCESTER MA-
INCLUDING THE CITIES OF MILFORD AND WORCESTER
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 40 20 10
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 92 (-1) 53 (-15) 68
RH % (24H TREND) 47 (+13) 67 (-20) 28
20FT WND AM(MPH) W 7 G17 N 5
20FT WND PM(MPH) W 9 G18 NW 6 G17 LGT/VAR
PRECIP AMOUNT 0.03 0.01 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT (FT-AGL) 5570 630 6220
TRANSPORT WND (KTS) W 20 NW 11 NW 10
VENT RATE (KT-FT) 111400 6930 62200
MAX ADI EARLY 103 VERY GOOD67 GOOD 53 GEN GOOD
MAX ADI LATE 73 GOOD 19 GEN POOR 85 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 20 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 40S. HIGHS AROUND 60. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND 5 MPH.
MAZ004-202000-
NORTHERN WORCESTER MA-
INCLUDING THE CITIES OF BARRE AND FITCHBURG
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 10 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 88 (-2) 49 (-18) 67
RH % (24H TREND) 44 (+13) 69 (-18) 26
20FT WND AM(MPH) W 7 G19 N 5
20FT WND PM(MPH) W 10 G22 NW 6 G18 LGT/VAR
PRECIP AMOUNT 0.04 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 5110 620 6230
TRANSPORT WND (KTS) W 21 W 12 NW 12
VENT RATE (KT-FT) 107310 7440 74760
MAX ADI EARLY 68 GOOD 42 GEN GOOD 57 GEN GOOD
MAX ADI LATE 73 GOOD 22 FAIR 97 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 8 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND
60. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND 5 MPH.
MAZ026-202000-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITY OF AYER
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 90 (-2) 50 (-16) 69
RH % (24H TREND) 43 (+7) 60 (-30) 29
20FT WND AM(MPH) W 6 G19 LGT/VAR
20FT WND PM(MPH) W 9 G22 NW 5 G18 LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 1 PM
PRECIP END 4 PM
MIXING HGT (FT-AGL) 5500 600 6570
TRANSPORT WND (KTS) W 23 NW 12 N 12
VENT RATE (KT-FT) 126500 7200 78840
MAX ADI EARLY 105 VERY GOOD85 GOOD 64 GOOD
MAX ADI LATE 85 GOOD 43 GEN GOOD 105 VERY GOOD
MAX LVORI EARLY 1 2 1
MAX LVORI LATE 1 2 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY THROUGH SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS 45 TO 51. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS
AROUND 5 MPH.
MAZ002-202000-
WESTERN FRANKLIN MA-
INCLUDING THE CITY OF CHARLEMONT
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 30 10
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 84 (-5) 47 (-19) 67
RH % (24H TREND) 41 (+3) 69 (-21) 25
20FT WND AM(MPH) W 7 G19 LGT/VAR
20FT WND PM(MPH) W 9 G21 NW 6 G19 LGT/VAR
PRECIP AMOUNT 0.03 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 11 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 4300 600 6150
TRANSPORT WND (KTS) W 21 NW 10 N 11
VENT RATE (KT-FT) 90300 6000 67650
MAX ADI EARLY 92 GOOD 42 GEN GOOD 61 GOOD
MAX ADI LATE 70 GOOD 14 GEN POOR 86 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S. WEST WINDS AROUND
5 MPH.
MAZ003-202000-
EASTERN FRANKLIN MA-
INCLUDING THE CITIES OF GREENFIELD AND ORANGE
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 10
CHANCE OF THUNDER (%) 0 0 0
TEMP (24H TREND) 88 (-4) 50 (-16) 70
RH % (24H TREND) 40 (+12) 69 (-21) 26
20FT WND AM(MPH) SW 6 G17 N 5
20FT WND PM(MPH) W 9 G20 NW 5 G17 LGT/VAR
PRECIP AMOUNT 0.03 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 12 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 4820 660 6200
TRANSPORT WND (KTS) W 20 NW 10 N 12
VENT RATE (KT-FT) 96400 6600 74400
MAX ADI EARLY 102 VERY GOOD39 FAIR 62 GOOD
MAX ADI LATE 68 GOOD 20 GEN POOR 99 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 8 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 40S. HIGHS AROUND 60. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S. WEST WINDS AROUND
5 MPH.
MAZ008-202000-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITY OF CHESTERFIELD
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY PCLDY
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 30 20 10
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 86 (-4) 48 (-19) 67
RH % (24H TREND) 45 (+7) 69 (-18) 29
20FT WND AM(MPH) W 7 G18 LGT/VAR
20FT WND PM(MPH) NW 10 G22 NW 8 G20 LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 12 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 4520 720 6170
TRANSPORT WND (KTS) W 20 NW 12 NW 10
VENT RATE (KT-FT) 90400 8640 61700
MAX ADI EARLY 75 GOOD 41 GEN GOOD 53 GEN GOOD
MAX ADI LATE 65 GOOD 13 GEN POOR 82 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. HIGHS IN THE MID 70S. NORTHWEST WINDS
AROUND 5 MPH.
MAZ010-202000-
EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF AMHERST AND NORTHAMPTON
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS NONE NONE
CHANCE PRECIP (%) 40 20 10
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 90 (-3) 52 (-15) 71
RH % (24H TREND) 44 (+6) 67 (-20) 29
20FT WND AM(MPH) SW 6 G17 N 6
20FT WND PM(MPH) W 10 G19 NW 7 G18 LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 12 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 5040 640 6600
TRANSPORT WND (KTS) W 19 NW 10 N 10
VENT RATE (KT-FT) 95760 6400 66000
MAX ADI EARLY 94 GOOD 41 GEN GOOD 53 GEN GOOD
MAX ADI LATE 66 GOOD 19 GEN POOR 89 GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S. NORTHEAST
WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.
MAZ009-202000-
WESTERN HAMPDEN MA-
INCLUDING THE CITY OF BLANDFORD
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY MCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 40 20 10
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 87 (-4) 50 (-18) 68
RH % (24H TREND) 48 (+11) 69 (-15) 29
20FT WND AM(MPH) W 6 LGT/VAR
20FT WND PM(MPH) NW 9 G20 NW 9 G20 LGT/VAR
PRECIP AMOUNT 0.03 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 12 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 4850 760 5680
TRANSPORT WND (KTS) W 20 NW 15 NW 10
VENT RATE (KT-FT) 97000 11400 56800
MAX ADI EARLY 105 VERY GOOD42 GEN GOOD 49 GEN GOOD
MAX ADI LATE 105 VERY GOOD16 GEN POOR 78 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. NORTHWEST WINDS AROUND 5 MPH.
MAZ011-202000-
EASTERN HAMPDEN MA-
INCLUDING THE CITY OF SPRINGFIELD
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 40 20 10
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 91 (-2) 53 (-15) 70
RH % (24H TREND) 45 (+8) 67 (-30) 26
20FT WND AM(MPH) SW 6 G17 N 6
20FT WND PM(MPH) NW 10 G19 NW 7 G18 LGT/VAR
PRECIP AMOUNT 0.05 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 12 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 5360 700 6370
TRANSPORT WND (KTS) W 18 NW 11 N 9
VENT RATE (KT-FT) 96480 7700 57330
MAX ADI EARLY 85 GOOD 40 FAIR 50 GEN GOOD
MAX ADI LATE 64 GOOD 18 GEN POOR 79 GOOD
MAX LVORI EARLY 2 3 1
MAX LVORI LATE 2 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 10 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 70S. NORTHEAST
WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.
CTZ002-202000-
HARTFORD CT-
INCLUDING THE CITIES OF HARTFORD AND WINDSOR LOCKS
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 50 30 10
CHANCE OF THUNDER (%) 30 0 0
TEMP (24H TREND) 92 (-1) 52 (-17) 70
RH % (24H TREND) 42 (+8) 71 (-22) 30
20FT WND AM(MPH) SW 6 N 5
20FT WND PM(MPH) NW 8 G17 NW 6 G17 LGT/VAR
PRECIP AMOUNT 0.04 0.02 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 12 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 5880 680 5540
TRANSPORT WND (KTS) W 18 NW 11 NW 8
VENT RATE (KT-FT) 105840 7480 44320
MAX ADI EARLY 97 GOOD 45 GEN GOOD 46 GEN GOOD
MAX ADI LATE 105 VERY GOOD18 GEN POOR 60 GEN GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 8 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 20 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 50. HIGHS IN THE LOWER 70S. NORTH WINDS 5 TO
10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 50S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS
AROUND 5 MPH.
CTZ003-202000-
TOLLAND CT-
INCLUDING THE CITIES OF UNION AND VERNON
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 40 30 10
CHANCE OF THUNDER (%) 30 20 0
TEMP (24H TREND) 92 (+1) 53 (-15) 68
RH % (24H TREND) 45 (+8) 71 (-29) 34
20FT WND AM(MPH) W 6 G17 N 5
20FT WND PM(MPH) W 9 G18 NW 7 G17 LGT/VAR
PRECIP AMOUNT 0.05 0.02 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 5590 610 5380
TRANSPORT WND (KTS) W 18 NW 11 N 9
VENT RATE (KT-FT) 100620 6710 48420
MAX ADI EARLY 95 GOOD 38 FAIR 41 GEN GOOD
MAX ADI LATE 64 GOOD 15 GEN POOR 67 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 20 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND 60.
EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS AROUND 70. NORTHEAST WINDS
5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 50S. HIGHS IN THE MID 70S. WEST WINDS AROUND
5 MPH.
CTZ004-202000-
WINDHAM CT-
INCLUDING THE CITIES OF PUTNAM AND WILLIMANTIC
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 40 30 20
CHANCE OF THUNDER (%) 30 20 0
TEMP (24H TREND) 91 (0) 54 (-12) 68
RH % (24H TREND) 44 (+2) 71 (-29) 33
20FT WND AM(MPH) SW 6 N 5
20FT WND PM(MPH) W 9 G17 NW 6 LGT/VAR
PRECIP AMOUNT 0.05 0.02 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 5660 620 5300
TRANSPORT WND (KTS) W 18 NW 11 NW 9
VENT RATE (KT-FT) 101880 6820 47700
MAX ADI EARLY 93 GOOD 42 GEN GOOD 40 FAIR
MAX ADI LATE 66 GOOD 14 GEN POOR 64 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 20 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST
WINDS AROUND 5 MPH.
SATURDAY
CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE LOWER
60S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS AROUND 70. NORTHEAST WINDS
5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 50S. HIGHS IN THE MID 70S. WEST WINDS AROUND
5 MPH.
RIZ001-202000-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF FOSTER AND SMITHFIELD
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 40 30 20
CHANCE OF THUNDER (%) 30 20 0
TEMP (24H TREND) 92 (+2) 54 (-13) 68
RH % (24H TREND) 45 (+1) 70 (-17) 34
20FT WND AM(MPH) W 7 N 5
20FT WND PM(MPH) W 8 NW 6 LGT/VAR
PRECIP AMOUNT 0.07 0.02 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 5930 620 5780
TRANSPORT WND (KTS) W 19 NW 11 NW 9
VENT RATE (KT-FT) 112670 6820 52020
MAX ADI EARLY 98 GOOD 71 GOOD 47 GEN GOOD
MAX ADI LATE 84 GOOD 23 FAIR 75 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 30 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 40S. HIGHS AROUND 60. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND 5 MPH.
RIZ002-202000-
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITY OF PROVIDENCE
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 40 30 20
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 93 (+4) 55 (-11) 69
RH % (24H TREND) 42 (-3) 73 (-27) 38
20FT WND AM(MPH) W 7 N 5
20FT WND PM(MPH) W 9 NW 5 LGT/VAR
PRECIP AMOUNT 0.10 0.03 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 6270 640 5560
TRANSPORT WND (KTS) W 20 NW 11 NW 9
VENT RATE (KT-FT) 125400 7040 50040
MAX ADI EARLY 100 GOOD 72 GOOD 45 GEN GOOD
MAX ADI LATE 85 GOOD 26 FAIR 70 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 30 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
5 TO 10 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY
CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE LOWER
60S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 50S. NORTH WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS
AROUND 5 MPH.
RIZ003-202000-
WESTERN KENT RI-
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 40 40 20
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 90 (+1) 55 (-10) 67
RH % (24H TREND) 44 (-2) 76 (-8) 40
20FT WND AM(MPH) W 7 N 5
20FT WND PM(MPH) W 9 G17 NW 5 LGT/VAR
PRECIP AMOUNT 0.06 0.02 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 6160 550 5030
TRANSPORT WND (KTS) W 19 NW 11 NW 8
VENT RATE (KT-FT) 117040 6050 40240
MAX ADI EARLY 76 GOOD 46 GEN GOOD 38 FAIR
MAX ADI LATE 72 GOOD 26 FAIR 57 GEN GOOD
MAX LVORI EARLY 1 3 2
MAX LVORI LATE 1 3 2
MIN VSBY EARLY 9 8 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 30 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND
60. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS AROUND 60. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE
OF SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 60S.
NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. NORTHWEST WINDS AROUND 5 MPH.
RIZ004-202000-
EASTERN KENT RI-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 40 40 20
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 92 (+6) 56 (-8) 68
RH % (24H TREND) 42 (-4) 76 (-17) 37
20FT WND AM(MPH) SW 7 N 6
20FT WND PM(MPH) W 9 NW 5 LGT/VAR
PRECIP AMOUNT 0.09 0.03 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 6190 570 4460
TRANSPORT WND (KTS) W 19 NW 11 NW 7
VENT RATE (KT-FT) 117610 6270 31220
MAX ADI EARLY 61 GOOD 39 FAIR 40 FAIR
MAX ADI LATE 69 GOOD 23 FAIR 44 GEN GOOD
MAX LVORI EARLY 1 3 2
MAX LVORI LATE 1 3 2
MIN VSBY EARLY 9 8 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 30 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
5 TO 10 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY
CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE LOWER
60S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE
OF SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 60S.
NORTHWEST WINDS 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. NORTHWEST WINDS AROUND 5 MPH.
RIZ005-202000-
BRISTOL RI-
INCLUDING THE CITY OF BRISTOL
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 40 40 20
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 90 (+9) 55 (-7) 68
RH % (24H TREND) 48 (-7) 84 (-16) 41
20FT WND AM(MPH) SW 7 N 6
20FT WND PM(MPH) W 10 W 6 LGT/VAR
PRECIP AMOUNT 0.08 0.03 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 5190 530 4130
TRANSPORT WND (KTS) W 17 W 11 NW 7
VENT RATE (KT-FT) 88230 5830 28910
MAX ADI EARLY 39 FAIR 23 FAIR 38 FAIR
MAX ADI LATE 57 GEN GOOD 20 GEN POOR 43 GEN GOOD
MAX LVORI EARLY 2 3 2
MAX LVORI LATE 2 3 2
MIN VSBY EARLY 9 8 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 30 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY
CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND 60.
EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS
LIKELY. LOWS IN THE UPPER 40S. HIGHS AROUND 60. EAST WINDS 5 TO
10 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 60S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 70S. NORTHWEST WINDS 5 TO 10 MPH.
RIZ006-202000-
WASHINGTON RI-
INCLUDING THE CITIES OF NARRAGANSETT AND WESTERLY
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 40 50 20
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 89 (+10) 55 (-6) 68
RH % (24H TREND) 43 (-6) 93 (-4) 37
20FT WND AM(MPH) SW 7 N 5
20FT WND PM(MPH) W 9 G17 NW 5 LGT/VAR
PRECIP AMOUNT 0.05 0.07 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 5120 530 3620
TRANSPORT WND (KTS) W 16 NW 10 NE 6
VENT RATE (KT-FT) 81920 5300 21720
MAX ADI EARLY 38 FAIR 23 FAIR 35 FAIR
MAX ADI LATE 43 GEN GOOD 12 POOR 31 FAIR
MAX LVORI EARLY 2 3 2
MAX LVORI LATE 2 3 2
MIN VSBY EARLY 8 6 FOG 8
MIN VSBY LATE 9 8 9
SUNSHINE HOURS N/A N/A N/A
CWR 30 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
5 TO 10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
5 TO 10 MPH, BECOMING EAST AFTER MIDNIGHT.
SATURDAY
CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND 60.
EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS
LIKELY. LOWS AROUND 50. HIGHS IN THE LOWER 60S. EAST WINDS 10 TO
15 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 60S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 70S. WEST WINDS 5 TO 10 MPH.
RIZ007-202000-
NEWPORT RI-
INCLUDING THE CITY OF NEWPORT
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 30 50 20
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 85 (+11) 55 (-5) 67
RH % (24H TREND) 51 (-7) 90 (-10) 41
20FT WND AM(MPH) SW 8 N 7
20FT WND PM(MPH) SW 11 G19 W 6 E 5
PRECIP AMOUNT 0.06 0.07 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 1880 510 3180
TRANSPORT WND (KTS) SW 15 W 10 NE 7
VENT RATE (KT-FT) 28200 5100 22260
MAX ADI EARLY 19 GEN POOR 16 GEN POOR 30 FAIR
MAX ADI LATE 21 FAIR 15 GEN POOR 28 FAIR
MAX LVORI EARLY 2 3 2
MAX LVORI LATE 2 3 2
MIN VSBY EARLY 7 7 9
MIN VSBY LATE 9 8 9
SUNSHINE HOURS N/A N/A N/A
CWR 20 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
5 TO 10 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
5 TO 10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY
CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE LOWER
60S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS
LIKELY. LOWS AROUND 50. HIGHS IN THE LOWER 60S. EAST WINDS 10 TO
15 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
60S. EAST WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 50S. HIGHS IN THE LOWER 70S. WEST WINDS 5 TO
10 MPH.
RIZ008-202000-
BLOCK ISLAND RI-
INCLUDING THE CITY OF NEW SHOREHAM
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR MCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 30 60 40
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 72 (+8) 54 (-3) 66
RH % (24H TREND) 66 (-12) 100 (0) 54
20FT WND AM(MPH) SW 10 NE 8
20FT WND PM(MPH) SW 12 G20 W 8 E 6
PRECIP AMOUNT 0.10 0.17 0.03
PRECIP DURATION 1 3 1
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 PM
MIXING HGT (FT-AGL) 430 300 1680
TRANSPORT WND (KTS) SW 17 W 12 NE 12
VENT RATE (KT-FT) 7310 3600 20160
MAX ADI EARLY 22 FAIR 20 GEN POOR 28 FAIR
MAX ADI LATE 24 FAIR 14 GEN POOR 19 GEN POOR
MAX LVORI EARLY 3 4 3
MAX LVORI LATE 3 4 3
MIN VSBY EARLY 5 FOG 3 FOG 7
MIN VSBY LATE 9 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 30 40 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
5 TO 10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS
IN THE LOWER 50S. HIGHS AROUND 60. EAST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS AROUND 15 MPH.
SUNDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. EAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. EAST WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. WEST WINDS 5 TO
10 MPH.
MAZ017-202000-
NORTHERN BRISTOL MA-
INCLUDING THE CITY OF TAUNTON
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 40 30 20
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 92 (+3) 54 (-10) 67
RH % (24H TREND) 42 (0) 73 (-20) 37
20FT WND AM(MPH) SW 6 LGT/VAR
20FT WND PM(MPH) W 8 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.10 0.03 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 6190 570 5450
TRANSPORT WND (KTS) W 20 NW 10 NW 9
VENT RATE (KT-FT) 123800 5700 49050
MAX ADI EARLY 103 VERY GOOD73 GOOD 43 GEN GOOD
MAX ADI LATE 105 VERY GOOD21 FAIR 62 GOOD
MAX LVORI EARLY 1 3 1
MAX LVORI LATE 1 3 1
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 30 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY
CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE LOWER
60S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 40S. HIGHS AROUND 60. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT THROUGH MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE
OF SHOWERS. LOWS AROUND 50. HIGHS IN THE UPPER 60S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS
AROUND 5 MPH.
MAZ018-202000-
WESTERN PLYMOUTH MA-
INCLUDING THE CITY OF BROCKTON
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS NONE
CHANCE PRECIP (%) 30 30 10
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 92 (+4) 53 (-11) 66
RH % (24H TREND) 42 (+1) 76 (-11) 39
20FT WND AM(MPH) SW 6 LGT/VAR
20FT WND PM(MPH) W 8 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.08 0.02 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT (FT-AGL) 6190 560 4210
TRANSPORT WND (KTS) W 20 NW 11 N 9
VENT RATE (KT-FT) 123800 6160 37890
MAX ADI EARLY 92 GOOD 52 GEN GOOD 44 GEN GOOD
MAX ADI LATE 105 VERY GOOD21 FAIR 48 GEN GOOD
MAX LVORI EARLY 1 3 2
MAX LVORI LATE 1 3 2
MIN VSBY EARLY 9 9 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 20 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. EAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE LOWER
60S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS
LIKELY. LOWS IN THE UPPER 40S. HIGHS AROUND 60. EAST WINDS 5 TO
10 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 50. HIGHS IN THE UPPER 60S. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS
AROUND 5 MPH.
MAZ019-202000-
EASTERN PLYMOUTH MA-
INCLUDING THE CITY OF PLYMOUTH
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 30 30 10
CHANCE OF THUNDER (%) 20 0 0
TEMP (24H TREND) 90 (+6) 53 (-11) 64
RH % (24H TREND) 45 (+5) 81 (-9) 43
20FT WND AM(MPH) SW 7 N 6
20FT WND PM(MPH) W 9 G17 W 5 LGT/VAR
PRECIP AMOUNT 0.06 0.02 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 5 AM
MIXING HGT (FT-AGL) 4080 600 2980
TRANSPORT WND (KTS) W 17 W 13 N 10
VENT RATE (KT-FT) 69360 7800 29800
MAX ADI EARLY 41 GEN GOOD 22 FAIR 40 FAIR
MAX ADI LATE 49 GEN GOOD 23 FAIR 32 FAIR
MAX LVORI EARLY 2 3 2
MAX LVORI LATE 2 3 2
MIN VSBY EARLY 8 8 9
MIN VSBY LATE 9 9 9
SUNSHINE HOURS N/A N/A N/A
CWR 20 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS AROUND 60. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 40S. EAST WINDS 5 TO 10 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS AROUND 70. NORTH WINDS AROUND
5 MPH.
MAZ020-202000-
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF FALL RIVER AND NEW BEDFORD
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 30 40 20
CHANCE OF THUNDER (%) 30 30 0
TEMP (24H TREND) 91 (+13) 55 (-6) 68
RH % (24H TREND) 47 (-4) 90 (-10) 41
20FT WND AM(MPH) SW 7 G17 N 5
20FT WND PM(MPH) SW 10 G21 W 5 LGT/VAR
PRECIP AMOUNT 0.07 0.05 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 4890 520 4060
TRANSPORT WND (KTS) W 18 W 10 N 8
VENT RATE (KT-FT) 88020 5200 32480
MAX ADI EARLY 44 GEN GOOD 21 FAIR 39 FAIR
MAX ADI LATE 50 GEN GOOD 17 GEN POOR 42 GEN GOOD
MAX LVORI EARLY 2 3 2
MAX LVORI LATE 2 3 2
MIN VSBY EARLY 8 7 9
MIN VSBY LATE 9 8 9
SUNSHINE HOURS N/A N/A N/A
CWR 20 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
5 TO 10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE LOWER
60S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS
LIKELY. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS
10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
60S. EAST WINDS 5 TO 10 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTH WINDS 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS
5 TO 10 MPH.
MAZ021-202000-
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITY OF MATTAPOISETT
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 30 40 20
CHANCE OF THUNDER (%) 20 30 0
TEMP (24H TREND) 88 (+11) 54 (-7) 66
RH % (24H TREND) 45 (-9) 84 (-16) 46
20FT WND AM(MPH) SW 6 N 5
20FT WND PM(MPH) SW 9 G20 W 5 LGT/VAR
PRECIP AMOUNT 0.07 0.05 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 4170 520 3410
TRANSPORT WND (KTS) SW 17 NW 10 NE 8
VENT RATE (KT-FT) 70890 5200 27280
MAX ADI EARLY 43 GEN GOOD 16 GEN POOR 44 GEN GOOD
MAX ADI LATE 44 GEN GOOD 20 GEN POOR 37 FAIR
MAX LVORI EARLY 2 3 2
MAX LVORI LATE 2 3 2
MIN VSBY EARLY 8 8 9
MIN VSBY LATE 9 8 9
SUNSHINE HOURS N/A N/A N/A
CWR 20 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. EAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY
CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE LOWER
60S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS
LIKELY. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS
5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
60S. EAST WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. NORTH WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS
AROUND 5 MPH.
MAZ022-202000-
BARNSTABLE MA-
INCLUDING THE CITIES OF CHATHAM, FALMOUTH, AND PROVINCETOWN
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 20 50 20
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 81 (+7) 52 (-8) 65
RH % (24H TREND) 58 (+4) 90 (-10) 46
20FT WND AM(MPH) SW 7 N 6
20FT WND PM(MPH) SW 10 G20 W 5 NE 5
PRECIP AMOUNT 0.06 0.05 0.00
PRECIP DURATION 0 2
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 990 440 2510
TRANSPORT WND (KTS) SW 17 W 13 N 12
VENT RATE (KT-FT) 16830 5720 30120
MAX ADI EARLY 21 FAIR 15 GEN POOR 35 FAIR
MAX ADI LATE 23 FAIR 19 GEN POOR 30 FAIR
MAX LVORI EARLY 2 4 2
MAX LVORI LATE 2 4 2
MIN VSBY EARLY 5 FOG 7 8
MIN VSBY LATE 9 7 9
SUNSHINE HOURS N/A N/A N/A
CWR 20 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. EAST WINDS AROUND
5 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE LOWER
60S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT THROUGH MONDAY
MOSTLY CLOUDY WITH SHOWERS
LIKELY. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. EAST WINDS
10 TO 15 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 50S. HIGHS AROUND 70. NORTHWEST WINDS AROUND
5 MPH.
MAZ023-202000-
DUKES MA-
INCLUDING THE CITY OF VINEYARD HAVEN
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 20 60 30
CHANCE OF THUNDER (%) 20 20 0
TEMP (24H TREND) 76 (+9) 54 (-4) 67
RH % (24H TREND) 59 (-9) 96 (-4) 46
20FT WND AM(MPH) SW 11 G18 NE 8
20FT WND PM(MPH) SW 13 G22 W 9 G17 NE 7
PRECIP AMOUNT 0.04 0.11 0.01
PRECIP DURATION 0 3 1
PRECIP BEGIN 2 PM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 1 PM
MIXING HGT (FT-AGL) 600 350 2370
TRANSPORT WND (KTS) SW 18 W 13 NE 12
VENT RATE (KT-FT) 10800 4550 28440
MAX ADI EARLY 24 FAIR 21 FAIR 31 FAIR
MAX ADI LATE 26 FAIR 23 FAIR 24 FAIR
MAX LVORI EARLY 3 4 2
MAX LVORI LATE 3 4 2
MIN VSBY EARLY 6 FOG 6 FOG 8
MIN VSBY LATE 9 6 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 20 30 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. SOUTHEAST WINDS
5 TO 10 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. EAST WINDS 5 TO
10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. WARMER. LOWS IN THE LOWER 50S.
SOUTHEAST WINDS 5 TO 10 MPH.
SATURDAY
CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE LOWER
60S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT THROUGH MONDAY
MOSTLY CLOUDY WITH SHOWERS
LIKELY. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. SOUTHEAST
WINDS 15 TO 20 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 50S. HIGHS IN THE UPPER 60S. WEST WINDS 5 TO
10 MPH.
MAZ024-202000-
NANTUCKET MA-
INCLUDING THE CITY OF NANTUCKET
408 AM EDT WED MAY 20 2026
TODAY TONIGHT THU
CLOUD COVER MCLEAR PCLDY MCLDY
PRECIP TYPE NONE TSTMS SHOWERS
CHANCE PRECIP (%) 10 70 30
CHANCE OF THUNDER (%) 0 20 0
TEMP (24H TREND) 71 (+5) 54 (-4) 65
RH % (24H TREND) 73 (+7) 96 (-4) 56
20FT WND AM(MPH) SW 12 G19 NE 10
20FT WND PM(MPH) SW 14 G22 W 10 G19 NE 9
PRECIP AMOUNT 0.00 0.10 0.02
PRECIP DURATION 3 1
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 2 PM
MIXING HGT (FT-AGL) 570 330 1970
TRANSPORT WND (KTS) SW 20 W 14 NE 14
VENT RATE (KT-FT) 11400 4620 27580
MAX ADI EARLY 27 FAIR 25 FAIR 32 FAIR
MAX ADI LATE 29 FAIR 29 FAIR 23 FAIR
MAX LVORI EARLY 3 4 3
MAX LVORI LATE 3 4 3
MIN VSBY EARLY 3 FOG 2 FOG 7
MIN VSBY LATE 8 4 FOG 9
SUNSHINE HOURS N/A N/A N/A
CWR 0 30 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
5 TO 10 MPH.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST
WINDS AROUND 5 MPH.
SATURDAY
CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE LOWER
60S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. EAST WINDS 10 TO 15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS 15 TO 20 MPH.
SUNDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. EAST WINDS 10 TO 15 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. SOUTHEAST WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 50S. HIGHS IN THE MID 60S. WEST WINDS 5 TO
10 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION BELOW NORMAL.
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