131
FNUS51 KBOX 202008
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
408 PM 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.
MAZ015-210800-
SUFFOLK MA-
INCLUDING THE CITY OF BOSTON
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 54 (-16) 65 (-26) 43 66
RH % (24H TREND) 58 (-23) 36 (-4) 73 27
20FT WND AM(MPH) N 5 LGT/VAR
20FT WND PM(MPH) W 8 G21 LGT/VAR LGT/VAR E 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 590 4140 480 4760
TRANSPORT WND (KTS) W 19 N 7 N 9 NE 9
VENT RATE (KT-FT) 11210 28980 4320 42840
MAX ADI EARLY 28 FAIR 41 GEN GOOD 20 GEN POOR 50 GEN GOOD
MAX ADI LATE 35 FAIR 34 FAIR 9 POOR 51 GEN GOOD
MAX LVORI EARLY 2 2 3 1
MAX LVORI LATE 2 2 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 10 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. SOUTH WINDS 5 TO
10 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY. 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 UPPER 50S. EAST WINDS 10 TO
15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. 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 UPPER 60S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING NORTH IN THE AFTERNOON.
MAZ016-210800-
EASTERN NORFOLK MA-
INCLUDING THE CITY OF QUINCY
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 53 (-16) 64 (-27) 44 66
RH % (24H TREND) 60 (-21) 39 (0) 74 28
20FT WND AM(MPH) N 5 NE 5
20FT WND PM(MPH) W 8 G19 LGT/VAR LGT/VAR E 6
PRECIP AMOUNT 0.02 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 7 PM
PRECIP END 5 AM
MIXING HGT (FT-AGL) 530 4210 410 4690
TRANSPORT WND (KTS) NW 12 N 7 SW 6 NE 8
VENT RATE (KT-FT) 6360 29470 2460 37520
MAX ADI EARLY 38 FAIR 42 GEN GOOD 23 FAIR 54 GEN GOOD
MAX ADI LATE 27 FAIR 36 FAIR 13 GEN POOR 50 GEN GOOD
MAX LVORI EARLY 3 2 3 1
MAX LVORI LATE 3 2 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AROUND 5 MPH AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY. 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 UPPER 50S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. 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 UPPER 60S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING NORTH IN THE AFTERNOON.
MAZ013-210800-
WESTERN NORFOLK MA-
INCLUDING THE CITIES OF FOXBOROUGH AND NORWOOD
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE NONE
CHANCE PRECIP (%) 20 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (-17) 65 (-28) 38 68
RH % (24H TREND) 64 (-23) 34 (-7) 79 24
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 6 G19 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 5 AM
MIXING HGT (FT-AGL) 500 5190 400 5810
TRANSPORT WND (KTS) NW 11 NW 8 NW 6 W 8
VENT RATE (KT-FT) 5500 41520 2400 46480
MAX ADI EARLY 101 VERY GOOD40 FAIR 46 GEN GOOD 64 GOOD
MAX ADI LATE 38 FAIR 56 GEN GOOD 9 POOR 61 GOOD
MAX LVORI EARLY 3 1 3 1
MAX LVORI LATE 3 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST 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 AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. EAST WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. WARMER. LOWS AROUND 50. HIGHS IN THE LOWER 70S.
NORTHWEST WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS
AROUND 5 MPH.
MAZ014-210800-
SOUTHEAST MIDDLESEX MA-
INCLUDING THE CITY OF CAMBRIDGE
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 54 (-17) 66 (-26) 41 67
RH % (24H TREND) 55 (-24) 34 (-6) 76 26
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 7 G22 LGT/VAR LGT/VAR SE 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 610 5360 420 5450
TRANSPORT WND (KTS) W 13 N 9 N 8 NE 8
VENT RATE (KT-FT) 7930 48240 3360 43600
MAX ADI EARLY 67 GOOD 45 GEN GOOD 52 GEN GOOD 59 GEN GOOD
MAX ADI LATE 48 GEN GOOD 68 GOOD 9 POOR 60 GEN GOOD
MAX LVORI EARLY 2 1 3 1
MAX LVORI LATE 2 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 10 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. SOUTH WINDS AROUND
5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. EAST WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. WARMER. LOWS IN THE LOWER 50S. HIGHS AROUND 70. WEST
WINDS AROUND 5 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS
AROUND 5 MPH.
MAZ007-210800-
EASTERN ESSEX MA-
INCLUDING THE CITY OF GLOUCESTER
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (-16) 65 (-23) 41 65
RH % (24H TREND) 70 (-23) 37 (-2) 77 31
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) NW 7 G20 LGT/VAR LGT/VAR SE 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 540 3740 390 4680
TRANSPORT WND (KTS) W 17 N 8 NW 7 NE 7
VENT RATE (KT-FT) 9180 29920 2730 32760
MAX ADI EARLY 29 FAIR 31 FAIR 18 GEN POOR 42 GEN GOOD
MAX ADI LATE 18 GEN POOR 27 FAIR 10 POOR 42 GEN GOOD
MAX LVORI EARLY 2 2 3 2
MAX LVORI LATE 2 2 3 2
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
5 TO 10 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY. 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 UPPER 50S. EAST WINDS
10 TO 15 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 AND TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING NORTHEAST IN THE AFTERNOON.
MAZ006-210800-
WESTERN ESSEX MA-
INCLUDING THE CITY OF LAWRENCE
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 53 (-17) 66 (-25) 41 68
RH % (24H TREND) 55 (-24) 27 (-11) 73 25
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) NW 6 G21 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 570 5420 370 5990
TRANSPORT WND (KTS) NW 12 NW 11 N 7 W 9
VENT RATE (KT-FT) 6840 59620 2590 53910
MAX ADI EARLY 78 GOOD 36 FAIR 57 GEN GOOD 55 GEN GOOD
MAX ADI LATE 27 FAIR 80 GOOD 8 POOR 68 GOOD
MAX LVORI EARLY 2 1 3 1
MAX LVORI LATE 2 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. EAST WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. WEST
WINDS AROUND 5 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE MID 70S. WEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND
5 MPH.
MAZ005-210800-
CENTRAL MIDDLESEX MA-
INCLUDING THE CITIES OF FRAMINGHAM AND LOWELL
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 53 (-17) 67 (-25) 39 70
RH % (24H TREND) 58 (-26) 29 (-10) 79 24
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 6 G22 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 550 5420 390 6500
TRANSPORT WND (KTS) NW 12 N 11 N 7 W 8
VENT RATE (KT-FT) 6600 59620 2730 52000
MAX ADI EARLY 66 GOOD 42 GEN GOOD 67 GOOD 57 GEN GOOD
MAX ADI LATE 45 GEN GOOD 80 GOOD 8 POOR 64 GOOD
MAX LVORI EARLY 2 1 3 1
MAX LVORI LATE 2 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY. HIGHS IN THE MID 60S. EAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. EAST WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. WARMER. LOWS 47 TO 52. HIGHS IN THE LOWER 70S. WEST
WINDS AROUND 5 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS
AROUND 5 MPH.
MAZ012-210800-
SOUTHERN WORCESTER MA-
INCLUDING THE CITIES OF MILFORD AND WORCESTER
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE NONE
CHANCE PRECIP (%) 20 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (-18) 66 (-26) 41 70
RH % (24H TREND) 67 (-20) 29 (-13) 76 24
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) NW 7 G22 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 580 5120 430 6380
TRANSPORT WND (KTS) NW 11 NW 8 NE 8 W 6
VENT RATE (KT-FT) 6380 40960 3440 38280
MAX ADI EARLY 58 GEN GOOD 38 FAIR 53 GEN GOOD 59 GEN GOOD
MAX ADI LATE 33 FAIR 57 GEN GOOD 9 POOR 56 GEN GOOD
MAX LVORI EARLY 3 1 3 1
MAX LVORI LATE 3 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST IN
THE AFTERNOON.
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
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. NORTHEAST WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. WARMER. LOWS 48 TO 53. HIGHS IN THE LOWER 70S. WEST
WINDS AROUND 5 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS AROUND 80. NORTHWEST WINDS AROUND
5 MPH.
MAZ004-210800-
NORTHERN WORCESTER MA-
INCLUDING THE CITIES OF BARRE AND FITCHBURG
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 49 (-20) 66 (-22) 37 70
RH % (24H TREND) 66 (-21) 28 (-12) 82 23
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) NW 7 G23 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 550 5030 400 6450
TRANSPORT WND (KTS) N 10 N 11 NE 8 W 7
VENT RATE (KT-FT) 5500 55330 3200 45150
MAX ADI EARLY 47 GEN GOOD 36 FAIR 55 GEN GOOD 49 GEN GOOD
MAX ADI LATE 29 FAIR 73 GOOD 9 POOR 59 GEN GOOD
MAX LVORI EARLY 3 1 3 1
MAX LVORI LATE 3 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 10 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY 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 LOWER 40S. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. EAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
AROUND 70. NORTHEAST WINDS AROUND 5 MPH, BECOMING WEST IN THE
AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS
5 TO 10 MPH.
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.
MAZ026-210800-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITY OF AYER
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 50 (-20) 67 (-23) 39 71
RH % (24H TREND) 55 (-24) 30 (-10) 79 24
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 6 G23 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 590 5470 390 6770
TRANSPORT WND (KTS) W 12 N 11 N 7 W 7
VENT RATE (KT-FT) 7080 60170 2730 47390
MAX ADI EARLY 63 GOOD 50 GEN GOOD 63 GOOD 46 GEN GOOD
MAX ADI LATE 40 FAIR 84 GOOD 8 POOR 65 GOOD
MAX LVORI EARLY 2 1 3 1
MAX LVORI LATE 2 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 10 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. EAST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE LOWER 70S. NORTHEAST WINDS AROUND 5 MPH, BECOMING WEST IN
THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS
AROUND 5 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 70S. WEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS
AROUND 5 MPH.
MAZ002-210800-
WESTERN FRANKLIN MA-
INCLUDING THE CITY OF CHARLEMONT
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 47 (-21) 67 (-16) 38 70
RH % (24H TREND) 66 (-15) 25 (-13) 76 21
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) NW 7 G23 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 570 5000 410 6590
TRANSPORT WND (KTS) NW 13 N 10 N 8 NW 7
VENT RATE (KT-FT) 7410 50000 3280 46130
MAX ADI EARLY 49 GEN GOOD 40 FAIR 61 GOOD 46 GEN GOOD
MAX ADI LATE 19 GEN POOR 67 GOOD 9 POOR 63 GOOD
MAX LVORI EARLY 3 1 3 1
MAX LVORI LATE 3 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
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
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. EAST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
AROUND 70. EAST WINDS AROUND 5 MPH, BECOMING SOUTHWEST IN THE
AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS
AROUND 5 MPH.
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.
MAZ003-210800-
EASTERN FRANKLIN MA-
INCLUDING THE CITIES OF GREENFIELD AND ORANGE
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 10 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 49 (-19) 69 (-19) 35 72
RH % (24H TREND) 66 (-21) 27 (-10) 85 22
20FT WND AM(MPH) N 5 LGT/VAR
20FT WND PM(MPH) NW 7 G21 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 580 4970 390 6150
TRANSPORT WND (KTS) N 10 N 10 N 7 NW 6
VENT RATE (KT-FT) 5800 49700 2730 36900
MAX ADI EARLY 47 GEN GOOD 40 FAIR 62 GOOD 41 GEN GOOD
MAX ADI LATE 18 GEN POOR 75 GOOD 8 POOR 51 GEN GOOD
MAX LVORI EARLY 3 1 3 1
MAX LVORI LATE 3 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 10 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AROUND
5 MPH IN THE AFTERNOON.
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
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE LOWER 70S. NORTH WINDS AROUND 5 MPH, BECOMING WEST AROUND
5 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS
AROUND 5 MPH.
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. NORTHWEST WINDS 5 TO 10 MPH.
MAZ008-210800-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITY OF CHESTERFIELD
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 20 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 48 (-21) 66 (-19) 39 70
RH % (24H TREND) 69 (-10) 28 (-14) 68 25
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) NW 8 G24 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 590 4940 440 6260
TRANSPORT WND (KTS) N 10 N 8 N 7 S 7
VENT RATE (KT-FT) 5900 39520 3080 43820
MAX ADI EARLY 48 GEN GOOD 35 FAIR 53 GEN GOOD 49 GEN GOOD
MAX ADI LATE 19 GEN POOR 59 GEN GOOD 10 POOR 59 GEN GOOD
MAX LVORI EARLY 3 1 3 1
MAX LVORI LATE 3 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
40S. SOUTHEAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
50S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. EAST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE LOWER 70S. NORTHEAST WINDS AROUND 5 MPH, BECOMING WEST
AROUND 5 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. WEST WINDS
AROUND 5 MPH.
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY. LOWS IN THE LOWER
50S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.
MAZ010-210800-
EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF AMHERST AND NORTHAMPTON
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR MCLEAR
PRECIP TYPE NONE NONE NONE NONE
CHANCE PRECIP (%) 20 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (-17) 69 (-21) 36 73
RH % (24H TREND) 66 (-21) 31 (-10) 85 24
20FT WND AM(MPH) N 5 LGT/VAR
20FT WND PM(MPH) NW 7 G22 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 510 5050 420 6050
TRANSPORT WND (KTS) N 9 N 9 N 7 SW 6
VENT RATE (KT-FT) 4590 45450 2940 36300
MAX ADI EARLY 51 GEN GOOD 37 FAIR 47 GEN GOOD 47 GEN GOOD
MAX ADI LATE 22 FAIR 63 GOOD 8 POOR 50 GEN GOOD
MAX LVORI EARLY 3 1 3 1
MAX LVORI LATE 3 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 10 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST
AROUND 5 MPH IN THE AFTERNOON.
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
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE LOWER 70S. NORTH WINDS AROUND 5 MPH, BECOMING WEST AROUND
5 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 80S. NORTHWEST WINDS 5 TO 10 MPH.
MAZ009-210800-
WESTERN HAMPDEN MA-
INCLUDING THE CITY OF BLANDFORD
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 50 (-19) 67 (-20) 41 70
RH % (24H TREND) 69 (-4) 29 (-14) 67 26
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) NW 9 G23 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 630 4900 410 5930
TRANSPORT WND (KTS) NW 15 N 8 N 6 SE 7
VENT RATE (KT-FT) 9450 39200 2460 41510
MAX ADI EARLY 47 GEN GOOD 32 FAIR 52 GEN GOOD 51 GEN GOOD
MAX ADI LATE 18 GEN POOR 53 GEN GOOD 10 POOR 58 GEN GOOD
MAX LVORI EARLY 3 1 3 1
MAX LVORI LATE 3 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
50S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
40S. EAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS AROUND 60.
EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. EAST WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. WARMER. LOWS 48 TO 53. HIGHS IN THE LOWER 70S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY AND TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS
AROUND 5 MPH.
MAZ011-210800-
EASTERN HAMPDEN MA-
INCLUDING THE CITY OF SPRINGFIELD
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS NONE NONE NONE
CHANCE PRECIP (%) 20 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 52 (-18) 68 (-23) 39 72
RH % (24H TREND) 67 (-17) 29 (-12) 82 23
20FT WND AM(MPH) N 5 LGT/VAR
20FT WND PM(MPH) NW 8 G22 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 590 5170 420 6130
TRANSPORT WND (KTS) NW 10 N 8 NE 8 SW 5
VENT RATE (KT-FT) 5900 41360 3360 30650
MAX ADI EARLY 50 GEN GOOD 34 FAIR 48 GEN GOOD 53 GEN GOOD
MAX ADI LATE 18 GEN POOR 55 GEN GOOD 9 POOR 51 GEN GOOD
MAX LVORI EARLY 3 1 3 1
MAX LVORI LATE 3 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 10 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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, BECOMING SOUTHEAST IN THE
AFTERNOON.
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
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. WARMER. LOWS 49 TO 54. HIGHS IN THE LOWER 70S. WEST
WINDS AROUND 5 MPH.
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS AROUND 80. NORTHWEST WINDS 5 TO 10 MPH.
CTZ002-210800-
HARTFORD CT-
INCLUDING THE CITIES OF HARTFORD AND WINDSOR LOCKS
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 30 20
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 52 (-19) 68 (-24) 43 72
RH % (24H TREND) 71 (-10) 33 (-7) 83 24
20FT WND AM(MPH) N 5 LGT/VAR
20FT WND PM(MPH) NW 7 G21 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 6 AM
MIXING HGT (FT-AGL) 590 4700 360 5970
TRANSPORT WND (KTS) N 9 NW 7 NE 6 SE 6
VENT RATE (KT-FT) 5310 32900 2160 35820
MAX ADI EARLY 47 GEN GOOD 30 FAIR 37 FAIR 54 GEN GOOD
MAX ADI LATE 18 GEN POOR 43 GEN GOOD 10 POOR 52 GEN GOOD
MAX LVORI EARLY 3 1 3 1
MAX LVORI LATE 3 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST IN THE
AFTERNOON.
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
40S. EAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. NORTHEAST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE MID 70S. NORTH WINDS AROUND 5 MPH, BECOMING WEST AROUND
5 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE LOWER 80S. NORTHWEST WINDS AROUND 5 MPH.
CTZ003-210800-
TOLLAND CT-
INCLUDING THE CITIES OF UNION AND VERNON
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 30 20
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 52 (-18) 66 (-26) 41 70
RH % (24H TREND) 69 (-21) 37 (-5) 79 27
20FT WND AM(MPH) N 5 LGT/VAR
20FT WND PM(MPH) NW 7 G22 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.01 0.01 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 11 AM
MIXING HGT (FT-AGL) 550 4420 390 6150
TRANSPORT WND (KTS) NW 10 N 8 N 6 S 6
VENT RATE (KT-FT) 5500 35360 2340 36900
MAX ADI EARLY 40 FAIR 26 FAIR 42 GEN GOOD 56 GEN GOOD
MAX ADI LATE 15 GEN POOR 45 GEN GOOD 10 POOR 56 GEN GOOD
MAX LVORI EARLY 3 2 3 1
MAX LVORI LATE 3 2 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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
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
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. NORTHEAST WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. WARMER. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 70S.
NORTHWEST WINDS AROUND 5 MPH.
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS AROUND 80. NORTHWEST WINDS AROUND 5 MPH.
CTZ004-210800-
WINDHAM CT-
INCLUDING THE CITIES OF PUTNAM AND WILLIMANTIC
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 30 20
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 53 (-15) 66 (-26) 41 70
RH % (24H TREND) 72 (-18) 37 (-3) 83 26
20FT WND AM(MPH) N 5 LGT/VAR
20FT WND PM(MPH) NW 7 G22 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.02 0.01 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 12 PM
MIXING HGT (FT-AGL) 520 4470 380 6170
TRANSPORT WND (KTS) N 9 NW 7 N 5 S 6
VENT RATE (KT-FT) 4680 31290 1900 37020
MAX ADI EARLY 41 GEN GOOD 26 FAIR 33 FAIR 59 GEN GOOD
MAX ADI LATE 13 GEN POOR 41 GEN GOOD 10 POOR 58 GEN GOOD
MAX LVORI EARLY 3 2 4 1
MAX LVORI LATE 3 2 4 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AROUND
5 MPH IN THE AFTERNOON.
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
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. NORTHEAST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. WARMER. HIGHS
IN THE LOWER 70S. NORTHEAST WINDS AROUND 5 MPH, BECOMING WEST
AROUND 5 MPH IN THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS AROUND 80. NORTHWEST WINDS AROUND 5 MPH.
RIZ001-210800-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF FOSTER AND SMITHFIELD
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 30 20
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 53 (-16) 65 (-27) 41 68
RH % (24H TREND) 67 (-20) 40 (-1) 77 28
20FT WND AM(MPH) N 5 LGT/VAR
20FT WND PM(MPH) NW 6 G19 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.03 0.01 0.00 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 12 PM
MIXING HGT (FT-AGL) 520 4810 370 5950
TRANSPORT WND (KTS) N 10 NW 7 NW 5 SE 7
VENT RATE (KT-FT) 5200 33670 1850 41650
MAX ADI EARLY 88 GOOD 36 FAIR 32 FAIR 64 GOOD
MAX ADI LATE 33 FAIR 44 GEN GOOD 10 POOR 62 GOOD
MAX LVORI EARLY 3 1 3 1
MAX LVORI LATE 3 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST
AROUND 5 MPH IN THE AFTERNOON.
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
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. NORTHEAST WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS 49 TO 54. HIGHS IN THE LOWER 70S. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY THROUGH WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.
RIZ002-210800-
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITY OF PROVIDENCE
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 30 30
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 53 (-15) 65 (-28) 42 69
RH % (24H TREND) 71 (-16) 45 (+5) 80 31
20FT WND AM(MPH) N 5 LGT/VAR
20FT WND PM(MPH) NW 6 G18 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.04 0.02 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 12 PM
MIXING HGT (FT-AGL) 500 4450 410 5540
TRANSPORT WND (KTS) NW 10 NW 6 SW 4 NE 7
VENT RATE (KT-FT) 5000 26700 1640 38780
MAX ADI EARLY 93 GOOD 38 FAIR 23 FAIR 69 GOOD
MAX ADI LATE 41 GEN GOOD 46 GEN GOOD 11 POOR 68 GOOD
MAX LVORI EARLY 3 1 5 1
MAX LVORI LATE 3 1 5 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AROUND
5 MPH IN THE AFTERNOON.
SATURDAY NIGHT AND SUNDAY
CLOUDY WITH SHOWERS LIKELY. LOWS IN
THE MID 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS AROUND 50.
NORTHEAST WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 70S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS
AROUND 5 MPH.
RIZ003-210800-
WESTERN KENT RI-
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 40 40
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 53 (-14) 63 (-28) 43 67
RH % (24H TREND) 71 (-13) 50 (+9) 83 32
20FT WND AM(MPH) N 5 NE 5
20FT WND PM(MPH) NW 6 LGT/VAR LGT/VAR E 5
PRECIP AMOUNT 0.04 0.03 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT (FT-AGL) 470 3920 360 5490
TRANSPORT WND (KTS) NW 10 NW 6 S 5 NE 7
VENT RATE (KT-FT) 4700 23520 1800 38430
MAX ADI EARLY 74 GOOD 26 FAIR 20 GEN POOR 63 GOOD
MAX ADI LATE 23 FAIR 34 FAIR 11 POOR 66 GOOD
MAX LVORI EARLY 3 2 5 1
MAX LVORI LATE 3 2 5 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 20 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
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
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. EAST WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 70S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE UPPER 70S. NORTHWEST WINDS AROUND 5 MPH.
RIZ004-210800-
EASTERN KENT RI-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 40 40
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 54 (-12) 65 (-26) 44 68
RH % (24H TREND) 72 (-18) 44 (+3) 80 29
20FT WND AM(MPH) N 6 NE 5
20FT WND PM(MPH) NW 6 LGT/VAR LGT/VAR SE 5
PRECIP AMOUNT 0.04 0.02 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT (FT-AGL) 480 3880 420 5500
TRANSPORT WND (KTS) NW 10 NW 6 SW 4 NE 8
VENT RATE (KT-FT) 4800 23280 1680 44000
MAX ADI EARLY 65 GOOD 30 FAIR 19 GEN POOR 63 GOOD
MAX ADI LATE 31 FAIR 35 FAIR 11 POOR 61 GOOD
MAX LVORI EARLY 3 2 5 1
MAX LVORI LATE 3 2 5 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 20 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
5 TO 10 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST IN
THE AFTERNOON.
SATURDAY NIGHT AND SUNDAY
CLOUDY WITH SHOWERS LIKELY. LOWS IN
THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. 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 LOWER 70S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 70S. WEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
RIZ005-210800-
BRISTOL RI-
INCLUDING THE CITY OF BRISTOL
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 40 40
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 54 (-10) 64 (-24) 44 68
RH % (24H TREND) 81 (-12) 50 (+3) 83 33
20FT WND AM(MPH) N 6 NE 6
20FT WND PM(MPH) NW 7 LGT/VAR LGT/VAR E 6
PRECIP AMOUNT 0.04 0.03 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT (FT-AGL) 450 3610 480 5270
TRANSPORT WND (KTS) NW 10 N 7 W 5 NE 8
VENT RATE (KT-FT) 4500 25270 2400 42160
MAX ADI EARLY 34 FAIR 28 FAIR 17 GEN POOR 63 GOOD
MAX ADI LATE 19 GEN POOR 34 FAIR 11 POOR 60 GEN GOOD
MAX LVORI EARLY 3 2 5 1
MAX LVORI LATE 3 2 5 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 20 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
5 TO 10 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST IN THE
AFTERNOON.
SATURDAY NIGHT AND SUNDAY
CLOUDY WITH SHOWERS LIKELY. LOWS IN
THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
LOWER 50S. 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 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. WEST WINDS 5 TO 10 MPH.
RIZ006-210800-
WASHINGTON RI-
INCLUDING THE CITIES OF NARRAGANSETT AND WESTERLY
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 50 40
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 53 (-10) 64 (-22) 43 68
RH % (24H TREND) 90 (-3) 47 (+6) 89 30
20FT WND AM(MPH) NE 5 NE 6
20FT WND PM(MPH) NW 5 LGT/VAR LGT/VAR SE 6
PRECIP AMOUNT 0.13 0.05 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 3 PM
MIXING HGT (FT-AGL) 460 3390 370 5340
TRANSPORT WND (KTS) N 10 N 6 SW 4 E 9
VENT RATE (KT-FT) 4600 20340 1480 48060
MAX ADI EARLY 23 FAIR 27 FAIR 13 GEN POOR 61 GOOD
MAX ADI LATE 14 GEN POOR 25 FAIR 11 POOR 59 GEN GOOD
MAX LVORI EARLY 3 2 6 1
MAX LVORI LATE 3 2 6 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 30 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
SATURDAY
MOSTLY 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 10 TO
15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. 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 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING WEST IN THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
RIZ007-210800-
NEWPORT RI-
INCLUDING THE CITY OF NEWPORT
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 50 40
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 53 (-8) 65 (-17) 43 67
RH % (24H TREND) 84 (-13) 50 (+2) 86 31
20FT WND AM(MPH) NE 7 NE 7
20FT WND PM(MPH) W 7 G17 SE 5 LGT/VAR SE 7
PRECIP AMOUNT 0.10 0.05 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 2 PM
MIXING HGT (FT-AGL) 440 3000 420 5080
TRANSPORT WND (KTS) N 10 NE 7 SW 5 E 9
VENT RATE (KT-FT) 4400 21000 2100 45720
MAX ADI EARLY 16 GEN POOR 26 FAIR 14 GEN POOR 59 GEN GOOD
MAX ADI LATE 16 GEN POOR 23 FAIR 14 GEN POOR 56 GEN GOOD
MAX LVORI EARLY 3 2 5 1
MAX LVORI LATE 3 2 5 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 30 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 40S. EAST WINDS 10 TO 15 MPH.
SUNDAY
CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER 60S.
EAST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. EAST WINDS 5 TO 10 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE LOWER 50S. HIGHS AROUND 70. SOUTHWEST WINDS 5 TO
10 MPH.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE MID 70S. SOUTHWEST WINDS 5 TO 10 MPH.
RIZ008-210800-
BLOCK ISLAND RI-
INCLUDING THE CITY OF NEW SHOREHAM
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 60 40
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 53 (-5) 65 (-6) 47 64
RH % (24H TREND) 100 (+4) 52 (-14) 86 43
20FT WND AM(MPH) NE 9 NE 9
20FT WND PM(MPH) W 8 G18 E 7 LGT/VAR E 8
PRECIP AMOUNT 0.25 0.09 0.00 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 3 PM
MIXING HGT (FT-AGL) 350 1450 710 2060
TRANSPORT WND (KTS) W 16 NE 9 N 5 E 13
VENT RATE (KT-FT) 5600 13050 3550 26780
MAX ADI EARLY 20 GEN POOR 20 GEN POOR 11 POOR 32 FAIR
MAX ADI LATE 14 GEN POOR 17 GEN POOR 25 FAIR 25 FAIR
MAX LVORI EARLY 4 4 5 2
MAX LVORI LATE 4 4 5 2
MIN VSBY EARLY 7 9 9 9
MIN VSBY LATE 9 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 40 40 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 THROUGH SUNDAY NIGHT
SHOWERS. LOWS IN THE LOWER
50S. HIGHS AROUND 60. 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 LOWER 60S. WEST
WINDS 5 TO 10 MPH.
TUESDAY AND TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S.
HIGHS IN THE MID 60S. WEST WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. WEST WINDS
5 TO 10 MPH.
MAZ017-210800-
NORTHERN BRISTOL MA-
INCLUDING THE CITY OF TAUNTON
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 30 20
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 52 (-14) 64 (-29) 40 67
RH % (24H TREND) 69 (-21) 43 (+2) 89 27
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) NW 5 G17 LGT/VAR LGT/VAR LGT/VAR
PRECIP AMOUNT 0.06 0.01 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 12 PM
MIXING HGT (FT-AGL) 450 4290 380 5260
TRANSPORT WND (KTS) NW 10 NW 6 SW 5 E 7
VENT RATE (KT-FT) 4500 25740 1900 36820
MAX ADI EARLY 92 GOOD 32 FAIR 25 FAIR 69 GOOD
MAX ADI LATE 35 FAIR 43 GEN GOOD 10 POOR 65 GOOD
MAX LVORI EARLY 3 2 5 1
MAX LVORI LATE 3 2 5 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 20 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH IN THE EVENING, BECOMING LIGHT AND VARIABLE.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
CLOUDY WITH SHOWERS LIKELY. LOWS IN
THE MID 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. EAST WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 50. HIGHS IN THE LOWER 70S. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTHWEST WINDS
AROUND 5 MPH.
MAZ018-210800-
WESTERN PLYMOUTH MA-
INCLUDING THE CITY OF BROCKTON
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 30 20
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 51 (-15) 62 (-30) 39 64
RH % (24H TREND) 71 (-16) 44 (+3) 89 28
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) W 5 G18 LGT/VAR LGT/VAR E 5
PRECIP AMOUNT 0.06 0.01 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 12 PM
MIXING HGT (FT-AGL) 460 4030 380 4830
TRANSPORT WND (KTS) NW 10 NW 7 SW 5 NE 9
VENT RATE (KT-FT) 4600 28210 1900 43470
MAX ADI EARLY 85 GOOD 36 FAIR 21 FAIR 62 GOOD
MAX ADI LATE 24 FAIR 35 FAIR 11 POOR 60 GEN GOOD
MAX LVORI EARLY 3 2 5 1
MAX LVORI LATE 3 2 5 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 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
CLOUDY WITH SHOWERS LIKELY. LOWS IN
THE MID 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN THE
UPPER 40S. EAST WINDS AROUND 5 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 50. HIGHS AROUND 70. NORTHWEST WINDS AROUND
5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS
AROUND 5 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE UPPER 70S. NORTH WINDS AROUND
5 MPH.
MAZ019-210800-
EASTERN PLYMOUTH MA-
INCLUDING THE CITY OF PLYMOUTH
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE NONE
CHANCE PRECIP (%) 30 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 51 (-14) 62 (-25) 40 64
RH % (24H TREND) 78 (-12) 44 (+3) 89 31
20FT WND AM(MPH) NE 5 NE 5
20FT WND PM(MPH) W 7 G19 LGT/VAR LGT/VAR E 5
PRECIP AMOUNT 0.05 0.00 0.00 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 6 AM
MIXING HGT (FT-AGL) 490 2790 370 3880
TRANSPORT WND (KTS) NW 12 N 7 SW 6 NE 9
VENT RATE (KT-FT) 5880 19530 2220 34920
MAX ADI EARLY 24 FAIR 33 FAIR 12 POOR 47 GEN GOOD
MAX ADI LATE 16 GEN POOR 23 FAIR 14 GEN POOR 42 GEN GOOD
MAX LVORI EARLY 3 2 4 2
MAX LVORI LATE 3 2 4 2
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
5 TO 10 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY. 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 AROUND 60. EAST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
CLOUDY WITH A CHANCE OF SHOWERS. 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 UPPER 60S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND
5 MPH, BECOMING NORTHEAST IN THE AFTERNOON.
MAZ020-210800-
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF FALL RIVER AND NEW BEDFORD
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 30 40
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 53 (-9) 65 (-21) 40 68
RH % (24H TREND) 84 (-9) 46 (+2) 93 28
20FT WND AM(MPH) NE 5 NE 5
20FT WND PM(MPH) W 6 G17 LGT/VAR LGT/VAR E 6
PRECIP AMOUNT 0.06 0.03 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT (FT-AGL) 430 3730 400 5280
TRANSPORT WND (KTS) NW 11 N 7 W 5 NE 10
VENT RATE (KT-FT) 4730 26110 2000 52800
MAX ADI EARLY 42 GEN GOOD 27 FAIR 16 GEN POOR 67 GOOD
MAX ADI LATE 23 FAIR 29 FAIR 11 POOR 64 GOOD
MAX LVORI EARLY 3 2 5 1
MAX LVORI LATE 3 2 5 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 20 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 40S. EAST WINDS 10 TO 15 MPH.
SUNDAY
CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER 60S.
EAST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. EAST WINDS 10 TO 15 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS AROUND 70. NORTHWEST WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
PARTLY CLOUDY. LOWS IN THE MID
50S. HIGHS IN THE UPPER 70S. WEST WINDS 5 TO 10 MPH.
MAZ021-210800-
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITY OF MATTAPOISETT
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 40 40
CHANCE OF THUNDER (%) 30 0 0 0
TEMP (24H TREND) 52 (-10) 64 (-21) 40 66
RH % (24H TREND) 81 (-12) 51 (+7) 93 33
20FT WND AM(MPH) NE 5 NE 5
20FT WND PM(MPH) W 5 G17 LGT/VAR LGT/VAR E 5
PRECIP AMOUNT 0.04 0.02 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT (FT-AGL) 460 3430 410 4780
TRANSPORT WND (KTS) NW 11 N 7 W 5 NE 10
VENT RATE (KT-FT) 5060 24010 2050 47800
MAX ADI EARLY 34 FAIR 30 FAIR 13 GEN POOR 65 GOOD
MAX ADI LATE 20 GEN POOR 28 FAIR 11 POOR 66 GOOD
MAX LVORI EARLY 3 2 5 1
MAX LVORI LATE 3 2 5 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 20 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
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 AND SUNDAY
CLOUDY WITH SHOWERS LIKELY. LOWS IN
THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 10 TO 15 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. 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 5 TO 10 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 50S. SOUTHWEST
WINDS 5 TO 10 MPH, BECOMING WEST AFTER MIDNIGHT.
WEDNESDAY
SUNNY. HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND
5 MPH.
MAZ022-210800-
BARNSTABLE MA-
INCLUDING THE CITIES OF CHATHAM, FALMOUTH, AND PROVINCETOWN
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 40 30
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 52 (-9) 65 (-15) 41 65
RH % (24H TREND) 90 (-10) 45 (-9) 93 31
20FT WND AM(MPH) NE 6 NE 6
20FT WND PM(MPH) W 6 G17 NE 5 LGT/VAR E 5
PRECIP AMOUNT 0.10 0.02 0.00 0.00
PRECIP DURATION 2 1
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 1 PM
MIXING HGT (FT-AGL) 440 2520 380 4120
TRANSPORT WND (KTS) W 13 N 9 W 6 NE 11
VENT RATE (KT-FT) 5720 22680 2280 45320
MAX ADI EARLY 16 GEN POOR 29 FAIR 9 POOR 57 GEN GOOD
MAX ADI LATE 17 GEN POOR 24 FAIR 17 GEN POOR 53 GEN GOOD
MAX LVORI EARLY 3 2 4 2
MAX LVORI LATE 3 2 4 2
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 20 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 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 10 TO 15 MPH.
SUNDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. EAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
60S. SOUTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHWEST IN THE
AFTERNOON.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 50S. HIGHS IN THE LOWER 70S. SOUTHWEST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS
5 TO 10 MPH.
WEDNESDAY
SUNNY. HIGHS IN THE LOWER 70S. NORTH WINDS 5 TO
10 MPH.
MAZ023-210800-
DUKES MA-
INCLUDING THE CITY OF VINEYARD HAVEN
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 60 40
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 52 (-7) 66 (-8) 38 66
RH % (24H TREND) 90 (-6) 46 (-11) 86 34
20FT WND AM(MPH) NE 9 NE 8
20FT WND PM(MPH) W 9 G19 E 7 LGT/VAR E 8
PRECIP AMOUNT 0.14 0.05 0.00 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 6 PM CONTINUING
PRECIP END CONTINUING 3 PM
MIXING HGT (FT-AGL) 390 2460 470 3770
TRANSPORT WND (KTS) W 17 NE 9 NW 6 NE 13
VENT RATE (KT-FT) 6630 22140 2820 49010
MAX ADI EARLY 22 FAIR 25 FAIR 13 GEN POOR 40 FAIR
MAX ADI LATE 19 GEN POOR 21 FAIR 23 FAIR 42 GEN GOOD
MAX LVORI EARLY 4 3 4 2
MAX LVORI LATE 4 3 4 2
MIN VSBY EARLY 7 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 30 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. SOUTHEAST WINDS
5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
CLOUDY WITH SHOWERS
LIKELY. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 60S. EAST WINDS
15 TO 20 MPH.
MONDAY THROUGH TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS.
LOWS IN THE MID 50S. HIGHS IN THE UPPER 60S. SOUTHWEST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
MAZ024-210800-
NANTUCKET MA-
INCLUDING THE CITY OF NANTUCKET
408 PM EDT WED MAY 20 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 60 40
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 53 (-6) 64 (-6) 42 63
RH % (24H TREND) 93 (-3) 53 (-17) 86 47
20FT WND AM(MPH) NE 10 NE 9
20FT WND PM(MPH) W 10 G21 NE 8 LGT/VAR NE 8
PRECIP AMOUNT 0.12 0.04 0.00 0.00
PRECIP DURATION 3 2
PRECIP BEGIN 7 PM CONTINUING
PRECIP END CONTINUING 3 PM
MIXING HGT (FT-AGL) 360 1860 730 2260
TRANSPORT WND (KTS) NW 13 NE 16 E 5 NE 13
VENT RATE (KT-FT) 4680 29760 3650 29380
MAX ADI EARLY 27 FAIR 2 VERY POOR 15 GEN POOR 38 FAIR
MAX ADI LATE 21 FAIR 24 FAIR 37 FAIR 29 FAIR
MAX LVORI EARLY 4 3 3 2
MAX LVORI LATE 4 3 3 2
MIN VSBY EARLY 6 FOG 9 9 9
MIN VSBY LATE 6 FOG 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 40 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST
WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
CLOUDY WITH SHOWERS
LIKELY. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 60S. SOUTHEAST
WINDS 15 TO 20 MPH.
MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. SOUTH WINDS 5 TO 10 MPH, BECOMING SOUTHWEST IN THE
AFTERNOON.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE MID 50S. HIGHS IN THE MID 60S. SOUTHWEST WINDS 5 TO
10 MPH.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. WEST WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY SUNNY. 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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