809
FNUS51 KBOX 202010
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
409 PM EDT MON APR 20 2026
DISCUSSION
SEASONABLY COOL WITH TEMPERATURES IN THE 50S THROUGH WEDNESDAY.
MINRH 30-50 PERCENT TODAY. NW WINDS WITH A FEW GUSTS TO 20 MPH.
SCATTERED SHOWERS THROUGH THE EVENING.
TENDING DRIER TUESDAY WITH MIN RELATIVE HUMIDITY VALUES
20-35 PERCENT. WINDS ARE EXPECTED TO BE LIGHT OUT OF THE
WEST/SOUTHWEST FOR THE INTERIOR AND EAST FOR THE EASTERN COASTAL
AREAS.
OUTLOOK...WEDNESDAY THROUGH FRIDAY
UPTICK IN MOISTURE FOR WEDNESDAY WITH A FEW SHOWERS. TRENDING
WARMER THURSDAY AND FRIDAY WITH WEST/NORTHWEST WINDS SUPPORTING
DRY AFTERNOONS BOTH DAYS. THURSDAY MAY NEED TO BE MONITORED AS WE
GO THROUGH THE WEEK FOR MIN RELATIVE HUMIDITIES IN THE 30 PERCENT
RANGE, POTENTIALLY IN THE 20 PERCENT RANGE IN AREAS.
MAZ015-210800-
SUFFOLK MA-
INCLUDING THE CITY OF BOSTON
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 20 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 28 (-6) 50 (-1) 37 50
RH % (24H TREND) 72 (-20) 27 (-10) 79 56
20FT WND AM(MPH) LGT/VAR S 5
20FT WND PM(MPH) LGT/VAR SE 5 S 5 S 7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 450 6440 1050 3330
TRANSPORT WND (KTS) N 11 SW 6 SW 14 SW 10
VENT RATE (KT-FT) 4950 38640 14700 33300
MAX ADI EARLY 40 FAIR 39 FAIR 41 GEN GOOD 40 FAIR
MAX ADI LATE 10 POOR 48 GEN GOOD 12 POOR 40 FAIR
MAX LVORI EARLY 3 1 3 2
MAX LVORI LATE 3 1 3 2
MIN VSBY EARLY 9 9 9 7
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH
WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE UPPER 50S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS 5 TO
10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. EAST WINDS
5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO
10 MPH.
MAZ016-210800-
EASTERN NORFOLK MA-
INCLUDING THE CITY OF QUINCY
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 10 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 29 (-4) 49 (-2) 35 50
RH % (24H TREND) 72 (-20) 29 (-11) 82 58
20FT WND AM(MPH) LGT/VAR S 5
20FT WND PM(MPH) LGT/VAR LGT/VAR S 5 S 7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 430 6330 1000 3370
TRANSPORT WND (KTS) N 12 W 6 S 13 SW 10
VENT RATE (KT-FT) 5160 37980 13000 33700
MAX ADI EARLY 35 FAIR 44 GEN GOOD 46 GEN GOOD 39 FAIR
MAX ADI LATE 9 POOR 49 GEN GOOD 12 POOR 39 FAIR
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
MIN VSBY EARLY 9 9 9 7
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. SOUTH WINDS
AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE MID 50S. NORTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. EAST WINDS
AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
5 MPH.
MAZ013-210800-
WESTERN NORFOLK MA-
INCLUDING THE CITIES OF FOXBOROUGH AND NORWOOD
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 20 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (-5) 51 (0) 35 49
RH % (24H TREND) 75 (-21) 26 (-9) 82 54
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR S 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 420 7230 680 3450
TRANSPORT WND (KTS) N 10 SW 7 S 11 S 12
VENT RATE (KT-FT) 4200 50610 7480 41400
MAX ADI EARLY 76 GOOD 41 GEN GOOD 52 GEN GOOD 41 GEN GOOD
MAX ADI LATE 8 POOR 68 GOOD 10 POOR 42 GEN GOOD
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
MIN VSBY EARLY 9 9 9 7
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 60. NORTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
UPPER 30S. HIGHS IN THE UPPER 50S. NORTH WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 40. HIGHS IN THE UPPER 50S. EAST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. EAST WINDS
AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. EAST WINDS AROUND
5 MPH.
MAZ014-210800-
SOUTHEAST MIDDLESEX MA-
INCLUDING THE CITY OF CAMBRIDGE
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 20 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (-7) 51 (0) 37 50
RH % (24H TREND) 74 (-18) 26 (-9) 76 58
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR S 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 430 6830 820 3410
TRANSPORT WND (KTS) N 8 SW 8 S 11 SW 9
VENT RATE (KT-FT) 3440 54640 9020 30690
MAX ADI EARLY 36 FAIR 36 FAIR 41 GEN GOOD 34 FAIR
MAX ADI LATE 8 POOR 61 GOOD 11 POOR 36 FAIR
MAX LVORI EARLY 3 1 3 2
MAX LVORI LATE 3 1 3 2
MIN VSBY EARLY 9 9 9 7
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. HIGHS
IN THE UPPER 50S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS AROUND
5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 40S. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. EAST WINDS
AROUND 5 MPH, BECOMING NORTHEAST AROUND 5 MPH AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. HIGHS AROUND 60. EAST WINDS AROUND 5 MPH.
MAZ007-210800-
EASTERN ESSEX MA-
INCLUDING THE CITY OF GLOUCESTER
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 10 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (-7) 48 (-2) 35 49
RH % (24H TREND) 71 (-21) 28 (-11) 79 60
20FT WND AM(MPH) LGT/VAR S 5
20FT WND PM(MPH) LGT/VAR SE 5 S 6 S 7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 370 5990 790 2980
TRANSPORT WND (KTS) N 11 W 5 S 17 SW 10
VENT RATE (KT-FT) 4070 29950 13430 29800
MAX ADI EARLY 34 FAIR 37 FAIR 37 FAIR 32 FAIR
MAX ADI LATE 10 POOR 45 GEN GOOD 12 POOR 34 FAIR
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
MIN VSBY EARLY 9 9 9 7
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. SOUTH WINDS
5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. EAST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 40S. HIGHS IN THE MID 50S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
MAZ006-210800-
WESTERN ESSEX MA-
INCLUDING THE CITY OF LAWRENCE
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 10 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 24 (-8) 50 (-1) 34 49
RH % (24H TREND) 74 (-26) 24 (-13) 82 56
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR S 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 370 7010 540 3300
TRANSPORT WND (KTS) N 7 SW 8 S 11 SW 9
VENT RATE (KT-FT) 2590 56080 5940 29700
MAX ADI EARLY 39 FAIR 34 FAIR 43 GEN GOOD 29 FAIR
MAX ADI LATE 8 POOR 70 GOOD 8 POOR 32 FAIR
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
MIN VSBY EARLY 9 9 9 7
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE UPPER 50S. NORTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS AROUND 40. HIGHS IN THE UPPER 50S. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY. LOWS AROUND 40. HIGHS
IN THE UPPER 50S. SOUTHEAST WINDS AROUND 5 MPH.
MAZ005-210800-
CENTRAL MIDDLESEX MA-
INCLUDING THE CITIES OF FRAMINGHAM AND LOWELL
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 20 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 24 (-7) 51 (0) 35 50
RH % (24H TREND) 78 (-22) 22 (-12) 82 54
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR S 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 390 7430 490 3460
TRANSPORT WND (KTS) N 7 SW 9 S 9 SW 8
VENT RATE (KT-FT) 2730 66870 4410 27680
MAX ADI EARLY 42 GEN GOOD 34 FAIR 57 GEN GOOD 35 FAIR
MAX ADI LATE 8 POOR 75 GOOD 10 POOR 36 FAIR
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
MIN VSBY EARLY 9 9 9 7
MIN VSBY LATE 9 9 8 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 60. NORTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
UPPER 30S. HIGHS AROUND 60. NORTH WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. EAST
WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. EAST WINDS
AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
MAZ012-210800-
SOUTHERN WORCESTER MA-
INCLUDING THE CITIES OF MILFORD AND WORCESTER
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 20 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (-4) 51 (+2) 34 49
RH % (24H TREND) 72 (-20) 24 (-11) 85 63
20FT WND AM(MPH) LGT/VAR S 5
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR S 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 440 7130 510 3450
TRANSPORT WND (KTS) N 9 W 7 S 9 SW 11
VENT RATE (KT-FT) 3960 49910 4590 37950
MAX ADI EARLY 91 GOOD 33 FAIR 59 GEN GOOD 34 FAIR
MAX ADI LATE 8 POOR 68 GOOD 11 POOR 34 FAIR
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
MIN VSBY EARLY 8 9 9 8
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. EAST
WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. EAST WINDS AROUND
5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
MAZ004-210800-
NORTHERN WORCESTER MA-
INCLUDING THE CITIES OF BARRE AND FITCHBURG
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 20 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 22 (-7) 50 (+3) 32 49
RH % (24H TREND) 88 (-4) 23 (-11) 85 56
20FT WND AM(MPH) LGT/VAR S 5
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR S 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 380 6830 240 3540
TRANSPORT WND (KTS) N 7 W 8 S 6 SW 8
VENT RATE (KT-FT) 2660 54640 1440 28320
MAX ADI EARLY 44 GEN GOOD 39 FAIR 64 GOOD 32 FAIR
MAX ADI LATE 5 VERY POOR 71 GOOD 11 POOR 32 FAIR
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
MIN VSBY EARLY 8 9 9 8
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTH
WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 30S.
HIGHS IN THE UPPER 50S. NORTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. EAST
WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE LOWER 60S. SOUTHEAST WINDS 5 TO 10 MPH.
MAZ026-210800-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITY OF AYER
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 20 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 24 (-5) 52 (+3) 32 50
RH % (24H TREND) 65 (-27) 22 (-12) 82 61
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR S 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 390 7480 340 3570
TRANSPORT WND (KTS) N 6 W 8 S 5 SW 8
VENT RATE (KT-FT) 2340 59840 1700 28560
MAX ADI EARLY 39 FAIR 33 FAIR 76 GOOD 36 FAIR
MAX ADI LATE 5 VERY POOR 89 GOOD 7 POOR 35 FAIR
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
MIN VSBY EARLY 9 9 9 7
MIN VSBY LATE 9 9 8 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.
SOUTHWEST WINDS AROUND 5 MPH.
THURSDAY THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS AROUND 60. NORTH WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. EAST
WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. EAST WINDS AROUND
5 MPH.
MAZ002-210800-
WESTERN FRANKLIN MA-
INCLUDING THE CITY OF CHARLEMONT
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 10 20 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 20 (-9) 48 (+5) 32 50
RH % (24H TREND) 81 (-4) 25 (-11) 85 63
20FT WND AM(MPH) LGT/VAR S 5
20FT WND PM(MPH) LGT/VAR 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) 340 6550 180 3360
TRANSPORT WND (KTS) N 6 SW 9 S 7 SW 6
VENT RATE (KT-FT) 2040 58950 1260 20160
MAX ADI EARLY 60 GEN GOOD 52 GEN GOOD 58 GEN GOOD 23 FAIR
MAX ADI LATE 4 VERY POOR 75 GOOD 9 POOR 21 FAIR
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
MIN VSBY EARLY 7 9 9 8
MIN VSBY LATE 9 9 8 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTH
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 30S.
HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTH WINDS
AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE MID 50S. SOUTHEAST
WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY. LOWS AROUND 40. HIGHS
IN THE UPPER 50S. SOUTH WINDS AROUND 5 MPH.
MAZ003-210800-
EASTERN FRANKLIN MA-
INCLUDING THE CITIES OF GREENFIELD AND ORANGE
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 10 20 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 20 (-9) 51 (+5) 33 51
RH % (24H TREND) 96 (+4) 24 (-11) 89 61
20FT WND AM(MPH) LGT/VAR S 5
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR S 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 280 7000 180 3490
TRANSPORT WND (KTS) N 6 SW 9 S 7 SW 6
VENT RATE (KT-FT) 1680 63000 1260 20940
MAX ADI EARLY 32 FAIR 45 GEN GOOD 60 GEN GOOD 29 FAIR
MAX ADI LATE 4 VERY POOR 75 GOOD 11 POOR 28 FAIR
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
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 0 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH WINDS
AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF RAIN
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. EAST
WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE LOWER 60S. SOUTH WINDS 5 TO 10 MPH.
MAZ008-210800-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITY OF CHESTERFIELD
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 10 20 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 22 (-7) 49 (+5) 31 50
RH % (24H TREND) 74 (-11) 24 (-11) 89 66
20FT WND AM(MPH) LGT/VAR S 5
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR S 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 390 6470 210 3250
TRANSPORT WND (KTS) N 7 SW 9 S 7 SW 6
VENT RATE (KT-FT) 2730 58230 1470 19500
MAX ADI EARLY 58 GEN GOOD 50 GEN GOOD 58 GEN GOOD 22 FAIR
MAX ADI LATE 4 VERY POOR 71 GOOD 10 POOR 20 GEN POOR
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
MIN VSBY EARLY 8 9 9 8
MIN VSBY LATE 8 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTH
WINDS AROUND 5 MPH, BECOMING WEST AROUND 5 MPH AFTER MIDNIGHT.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE MID 30S.
HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
RAIN SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE MID 50S. EAST
WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS AROUND 60. SOUTHEAST WINDS AROUND
5 MPH.
MAZ010-210800-
EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF AMHERST AND NORTHAMPTON
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 10 20 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 20 (-10) 53 (+5) 34 52
RH % (24H TREND) 84 (-5) 24 (-8) 85 61
20FT WND AM(MPH) LGT/VAR S 6
20FT WND PM(MPH) N 5 LGT/VAR LGT/VAR S 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 360 7030 370 3560
TRANSPORT WND (KTS) N 5 SW 9 S 8 SW 7
VENT RATE (KT-FT) 1800 63270 2960 24920
MAX ADI EARLY 48 GEN GOOD 40 FAIR 60 GEN GOOD 29 FAIR
MAX ADI LATE 5 VERY POOR 76 GOOD 10 POOR 27 FAIR
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
MIN VSBY EARLY 7 9 9 8
MIN VSBY LATE 8 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 40. HIGHS AROUND 60. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE LOWER 60S. SOUTHEAST WINDS 5 TO 10 MPH.
MAZ009-210800-
WESTERN HAMPDEN MA-
INCLUDING THE CITY OF BLANDFORD
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 10 20 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 23 (-6) 50 (+5) 33 51
RH % (24H TREND) 71 (-14) 24 (-11) 89 66
20FT WND AM(MPH) LGT/VAR S 6
20FT WND PM(MPH) NW 5 LGT/VAR LGT/VAR S 5
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 260 6370 210 3230
TRANSPORT WND (KTS) N 6 W 9 S 7 SW 6
VENT RATE (KT-FT) 1560 57330 1470 19380
MAX ADI EARLY 88 GOOD 46 GEN GOOD 56 GEN GOOD 23 FAIR
MAX ADI LATE 5 VERY POOR 70 GOOD 11 POOR 21 FAIR
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
MIN VSBY EARLY 8 9 9 8
MIN VSBY LATE 8 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH, BECOMING WEST AROUND 5 MPH AFTER MIDNIGHT.
THURSDAY THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. EAST
WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. SOUTHEAST WINDS
AROUND 5 MPH.
MAZ011-210800-
EASTERN HAMPDEN MA-
INCLUDING THE CITY OF SPRINGFIELD
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 10 20 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 22 (-8) 53 (+4) 34 52
RH % (24H TREND) 84 (-5) 24 (-8) 85 54
20FT WND AM(MPH) LGT/VAR S 6
20FT WND PM(MPH) NW 6 LGT/VAR LGT/VAR S 7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 330 6940 490 3470
TRANSPORT WND (KTS) N 5 SW 8 S 9 S 8
VENT RATE (KT-FT) 1650 55520 4410 27760
MAX ADI EARLY 51 GEN GOOD 34 FAIR 64 GOOD 32 FAIR
MAX ADI LATE 6 VERY POOR 74 GOOD 11 POOR 29 FAIR
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
MIN VSBY EARLY 8 9 9 8
MIN VSBY LATE 8 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTH WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 40. HIGHS AROUND 60. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE LOWER 60S. SOUTHEAST WINDS AROUND 5 MPH.
CTZ002-210800-
HARTFORD CT-
INCLUDING THE CITIES OF HARTFORD AND WINDSOR LOCKS
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 10 20 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 25 (-5) 53 (+3) 36 52
RH % (24H TREND) 78 (-8) 24 (-10) 89 57
20FT WND AM(MPH) LGT/VAR S 5
20FT WND PM(MPH) NW 5 LGT/VAR LGT/VAR S 6
PRECIP AMOUNT 0.00 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 4 PM
MIXING HGT (FT-AGL) 370 6830 640 3310
TRANSPORT WND (KTS) N 6 SW 9 S 11 S 7
VENT RATE (KT-FT) 2220 61470 7040 23170
MAX ADI EARLY 57 GEN GOOD 32 FAIR 71 GOOD 32 FAIR
MAX ADI LATE 6 VERY POOR 79 GOOD 11 POOR 28 FAIR
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
MIN VSBY EARLY 9 9 9 8
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY THROUGH SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 40S. HIGHS AROUND 60. EAST WINDS
AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. EAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
CTZ003-210800-
TOLLAND CT-
INCLUDING THE CITIES OF UNION AND VERNON
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER MCLEAR MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 10 20 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 25 (-5) 51 (+2) 34 50
RH % (24H TREND) 75 (-17) 24 (-11) 85 66
20FT WND AM(MPH) LGT/VAR S 6
20FT WND PM(MPH) NW 6 LGT/VAR S 5 S 7
PRECIP AMOUNT 0.00 0.00 0.00 0.01
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 5 PM
MIXING HGT (FT-AGL) 310 6550 590 3270
TRANSPORT WND (KTS) N 7 SW 8 S 11 S 9
VENT RATE (KT-FT) 2170 52400 6490 29430
MAX ADI EARLY 62 GOOD 32 FAIR 68 GOOD 31 FAIR
MAX ADI LATE 5 VERY POOR 72 GOOD 10 POOR 30 FAIR
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
MIN VSBY EARLY 9 9 9 8
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.
SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 40. HIGHS IN THE UPPER 50S. EAST WINDS
AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE LOWER 60S. SOUTHEAST WINDS AROUND 5 MPH.
CTZ004-210800-
WINDHAM CT-
INCLUDING THE CITIES OF PUTNAM AND WILLIMANTIC
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 10 20 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (-4) 51 (+1) 34 49
RH % (24H TREND) 75 (-17) 24 (-14) 85 59
20FT WND AM(MPH) LGT/VAR S 5
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR S 6
PRECIP AMOUNT 0.00 0.00 0.00 0.01
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 5 PM
MIXING HGT (FT-AGL) 410 6840 700 3110
TRANSPORT WND (KTS) N 8 W 6 S 11 S 10
VENT RATE (KT-FT) 3280 41040 7700 31100
MAX ADI EARLY 84 GOOD 37 FAIR 62 GOOD 32 FAIR
MAX ADI LATE 5 VERY POOR 66 GOOD 10 POOR 31 FAIR
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
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 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.
SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST
WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. EAST
WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY. LOWS AROUND 40. HIGHS
IN THE LOWER 60S. SOUTHEAST WINDS AROUND 5 MPH.
RIZ001-210800-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF FOSTER AND SMITHFIELD
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 20 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 26 (-5) 51 (+1) 35 49
RH % (24H TREND) 72 (-17) 26 (-12) 82 63
20FT WND AM(MPH) LGT/VAR S 5
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR S 6
PRECIP AMOUNT 0.00 0.00 0.00 0.01
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 5 PM
MIXING HGT (FT-AGL) 440 7120 670 3330
TRANSPORT WND (KTS) N 10 W 6 SW 12 S 11
VENT RATE (KT-FT) 4400 42720 8040 36630
MAX ADI EARLY 85 GOOD 41 GEN GOOD 61 GOOD 36 FAIR
MAX ADI LATE 8 POOR 65 GOOD 10 POOR 35 FAIR
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
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 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.
SOUTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE LOWER 60S. NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. EAST WINDS
AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. EAST
WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. EAST WINDS AROUND
5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
RIZ002-210800-
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITY OF PROVIDENCE
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 20 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 29 (-4) 52 (+1) 36 49
RH % (24H TREND) 69 (-20) 28 (-16) 82 71
20FT WND AM(MPH) LGT/VAR S 5
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR S 7
PRECIP AMOUNT 0.00 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 4 PM
MIXING HGT (FT-AGL) 490 7190 1050 3280
TRANSPORT WND (KTS) N 10 W 6 SW 12 S 13
VENT RATE (KT-FT) 4900 43140 12600 42640
MAX ADI EARLY 29 FAIR 46 GEN GOOD 62 GOOD 41 GEN GOOD
MAX ADI LATE 8 POOR 73 GOOD 10 POOR 39 FAIR
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
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 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 60. NORTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS AROUND 60. NORTH WINDS AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 40. HIGHS IN THE UPPER 50S. EAST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. EAST WINDS AROUND
5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
RIZ003-210800-
WESTERN KENT RI-
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE SHOWERS SHOWERS
CHANCE PRECIP (%) 10 20 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 28 (-2) 51 (+1) 35 48
RH % (24H TREND) 72 (-17) 28 (-19) 82 68
20FT WND AM(MPH) LGT/VAR S 5
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR S 7
PRECIP AMOUNT 0.00 0.00 0.00 0.02
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 4 PM
MIXING HGT (FT-AGL) 420 6950 670 2820
TRANSPORT WND (KTS) N 10 W 6 SW 11 S 14
VENT RATE (KT-FT) 4200 41700 7370 39480
MAX ADI EARLY 58 GEN GOOD 46 GEN GOOD 52 GEN GOOD 39 FAIR
MAX ADI LATE 9 POOR 62 GOOD 9 POOR 35 FAIR
MAX LVORI EARLY 3 1 4 4
MAX LVORI LATE 3 1 4 4
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 10 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.
SOUTHEAST WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 60. NORTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS AROUND 60. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH, BECOMING NORTHEAST AROUND 5 MPH AFTER MIDNIGHT.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 40. HIGHS IN THE UPPER 50S. EAST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. EAST WINDS AROUND
5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. HIGHS AROUND 60. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
RIZ004-210800-
EASTERN KENT RI-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 20 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 31 (-3) 52 (+1) 36 50
RH % (24H TREND) 67 (-19) 28 (-19) 79 63
20FT WND AM(MPH) LGT/VAR S 6
20FT WND PM(MPH) LGT/VAR LGT/VAR S 5 S 8
PRECIP AMOUNT 0.00 0.00 0.00 0.02
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 4 PM
MIXING HGT (FT-AGL) 500 7110 950 2970
TRANSPORT WND (KTS) N 11 W 6 SW 12 S 14
VENT RATE (KT-FT) 5500 42660 11400 41580
MAX ADI EARLY 38 FAIR 53 GEN GOOD 58 GEN GOOD 41 GEN GOOD
MAX ADI LATE 10 POOR 68 GOOD 10 POOR 39 FAIR
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
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 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. SOUTHEAST WINDS
AROUND 5 MPH, BECOMING NORTHEAST AROUND 5 MPH AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 60. NORTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS AROUND 40. HIGHS
IN THE UPPER 50S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 40. HIGHS IN THE UPPER 50S. EAST WINDS
AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. EAST WINDS
AROUND 5 MPH, BECOMING NORTHEAST AROUND 5 MPH AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. HIGHS AROUND 60. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
RIZ005-210800-
BRISTOL RI-
INCLUDING THE CITY OF BRISTOL
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 20 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 30 (-5) 50 (-1) 37 49
RH % (24H TREND) 70 (-19) 31 (-18) 76 70
20FT WND AM(MPH) N 5 S 7
20FT WND PM(MPH) LGT/VAR LGT/VAR S 6 S 8
PRECIP AMOUNT 0.00 0.00 0.00 0.02
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 4 PM
MIXING HGT (FT-AGL) 420 6490 930 2980
TRANSPORT WND (KTS) N 11 W 5 S 12 S 15
VENT RATE (KT-FT) 4620 32450 11160 44700
MAX ADI EARLY 32 FAIR 52 GEN GOOD 50 GEN GOOD 43 GEN GOOD
MAX ADI LATE 12 POOR 60 GEN GOOD 12 POOR 40 FAIR
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
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 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.
SOUTHEAST WINDS 5 TO 10 MPH, BECOMING EAST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. SOUTH WINDS AROUND
5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 40S. HIGHS IN THE MID 50S. EAST WINDS
5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. EAST WINDS
5 TO 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
RIZ006-210800-
WASHINGTON RI-
INCLUDING THE CITIES OF NARRAGANSETT AND WESTERLY
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 20 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 29 (-2) 50 (-1) 35 48
RH % (24H TREND) 73 (-16) 29 (-19) 82 63
20FT WND AM(MPH) LGT/VAR S 6
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR S 7
PRECIP AMOUNT 0.00 0.00 0.00 0.03
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 5 PM
MIXING HGT (FT-AGL) 390 6700 690 2660
TRANSPORT WND (KTS) N 12 W 6 SW 12 S 14
VENT RATE (KT-FT) 4680 40200 8280 37240
MAX ADI EARLY 38 FAIR 51 GEN GOOD 47 GEN GOOD 37 FAIR
MAX ADI LATE 9 POOR 56 GEN GOOD 10 POOR 33 FAIR
MAX LVORI EARLY 3 1 4 4
MAX LVORI LATE 3 1 4 4
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 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.
SOUTHEAST WINDS 5 TO 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
THURSDAY AND THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40.
HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING WEST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 40. HIGHS IN THE MID 50S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. EAST WINDS 5 TO
10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
RIZ007-210800-
NEWPORT RI-
INCLUDING THE CITY OF NEWPORT
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 10 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 31 (-5) 49 (-1) 37 49
RH % (24H TREND) 76 (-17) 34 (-15) 79 68
20FT WND AM(MPH) N 6 S 8
20FT WND PM(MPH) NW 5 SW 5 S 5 S 9
PRECIP AMOUNT 0.00 0.00 0.00 0.02
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 530 5910 870 2840
TRANSPORT WND (KTS) N 14 NW 6 SW 12 S 16
VENT RATE (KT-FT) 7420 35460 10440 45440
MAX ADI EARLY 25 FAIR 52 GEN GOOD 45 GEN GOOD 41 GEN GOOD
MAX ADI LATE 17 GEN POOR 46 GEN GOOD 17 GEN POOR 38 FAIR
MAX LVORI EARLY 3 1 3 3
MAX LVORI LATE 3 1 3 3
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 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.
SOUTHEAST WINDS 5 TO 10 MPH, BECOMING EAST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS AROUND
5 MPH, BECOMING WEST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHEAST
WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 40S. HIGHS IN THE MID 50S. EAST WINDS
5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHEAST
WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
5 TO 10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
RIZ008-210800-
BLOCK ISLAND RI-
INCLUDING THE CITY OF NEW SHOREHAM
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 10 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 36 (-4) 46 (-2) 39 48
RH % (24H TREND) 73 (-16) 45 (-13) 73 70
20FT WND AM(MPH) NE 8 S 9
20FT WND PM(MPH) NW 5 S 5 SW 6 S 9
PRECIP AMOUNT 0.00 0.00 0.00 0.04
PRECIP DURATION 2
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 1790 3470 1800 2310
TRANSPORT WND (KTS) W 12 NE 7 SW 15 S 17
VENT RATE (KT-FT) 21480 24290 27000 39270
MAX ADI EARLY 39 FAIR 50 GEN GOOD 37 FAIR 40 FAIR
MAX ADI LATE 28 FAIR 30 FAIR 23 FAIR 36 FAIR
MAX LVORI EARLY 3 2 3 3
MAX LVORI LATE 3 2 3 3
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 20
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. EAST
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS
AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHWEST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING EAST AFTER MIDNIGHT.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 40S. HIGHS AROUND 50. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS IN THE LOWER 50S. SOUTHEAST WINDS 5 TO 10 MPH.
MAZ017-210800-
NORTHERN BRISTOL MA-
INCLUDING THE CITY OF TAUNTON
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 20 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 25 (-5) 51 (-1) 34 49
RH % (24H TREND) 88 (-4) 29 (-13) 85 56
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR S 6
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 490 6980 770 3260
TRANSPORT WND (KTS) N 10 W 5 S 12 S 13
VENT RATE (KT-FT) 4900 34900 9240 42380
MAX ADI EARLY 18 GEN POOR 47 GEN GOOD 52 GEN GOOD 42 GEN GOOD
MAX ADI LATE 8 POOR 62 GOOD 7 POOR 40 FAIR
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
MIN VSBY EARLY 9 9 9 8
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS AROUND 60. NORTHWEST WINDS 5 TO
10 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
UPPER 30S. HIGHS IN THE UPPER 50S. NORTH WINDS AROUND 5 MPH.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. EAST
WINDS AROUND 5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTHEAST WINDS
AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
MAZ018-210800-
WESTERN PLYMOUTH MA-
INCLUDING THE CITY OF BROCKTON
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 20 10 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 25 (-5) 50 (-2) 34 49
RH % (24H TREND) 92 (-4) 29 (-16) 85 63
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR S 7
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 430 6680 750 3380
TRANSPORT WND (KTS) N 11 W 6 S 11 S 12
VENT RATE (KT-FT) 4730 40080 8250 40560
MAX ADI EARLY 33 FAIR 59 GEN GOOD 49 GEN GOOD 41 GEN GOOD
MAX ADI LATE 8 POOR 51 GEN GOOD 7 POOR 41 GEN GOOD
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
MIN VSBY EARLY 8 9 9 8
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS
AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTHEAST WINDS
AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE UPPER 30S. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. EAST WINDS AROUND
5 MPH.
MAZ019-210800-
EASTERN PLYMOUTH MA-
INCLUDING THE CITY OF PLYMOUTH
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE SHOWERS NONE NONE SHOWERS
CHANCE PRECIP (%) 20 10 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 29 (-3) 48 (-3) 34 49
RH % (24H TREND) 92 (-4) 34 (-12) 82 60
20FT WND AM(MPH) N 5 S 6
20FT WND PM(MPH) LGT/VAR E 5 S 5 S 7
PRECIP AMOUNT 0.01 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 6 PM
PRECIP END 12 AM
MIXING HGT (FT-AGL) 810 5370 1010 3220
TRANSPORT WND (KTS) N 15 N 6 S 15 S 14
VENT RATE (KT-FT) 12150 32220 15150 45080
MAX ADI EARLY 19 GEN POOR 62 GOOD 38 FAIR 42 GEN GOOD
MAX ADI LATE 13 GEN POOR 40 FAIR 12 POOR 42 GEN GOOD
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
MIN VSBY EARLY 7 9 9 7
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. SOUTH WINDS
5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. WEST WINDS AROUND
5 MPH, BECOMING NORTH IN THE AFTERNOON.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS
AROUND 5 MPH, BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHEAST WINDS
5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 40S. HIGHS IN THE MID 50S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHEAST
WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS 5 TO
10 MPH.
MAZ020-210800-
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF FALL RIVER AND NEW BEDFORD
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 10 10 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 27 (-6) 51 (0) 35 50
RH % (24H TREND) 85 (-7) 30 (-17) 82 58
20FT WND AM(MPH) N 5 S 6
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR S 8
PRECIP AMOUNT 0.00 0.00 0.00 0.01
PRECIP DURATION 1
PRECIP BEGIN 6 AM
PRECIP END 5 PM
MIXING HGT (FT-AGL) 380 6840 830 3050
TRANSPORT WND (KTS) N 12 W 6 S 11 S 16
VENT RATE (KT-FT) 4560 41040 9130 48800
MAX ADI EARLY 24 FAIR 58 GEN GOOD 48 GEN GOOD 42 GEN GOOD
MAX ADI LATE 9 POOR 49 GEN GOOD 9 POOR 39 FAIR
MAX LVORI EARLY 3 1 4 3
MAX LVORI LATE 3 1 4 3
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 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. SOUTHEAST WINDS
5 TO 10 MPH, BECOMING EAST AFTER MIDNIGHT.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT AND FRIDAY
PARTLY CLOUDY. LOWS AROUND 40. HIGHS
IN THE UPPER 50S. NORTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH WINDS
5 TO 10 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 40. HIGHS IN THE MID 50S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHEAST
WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHEAST WINDS
5 TO 10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
MAZ021-210800-
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITY OF MATTAPOISETT
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE NONE NONE SHOWERS
CHANCE PRECIP (%) 20 10 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 27 (-6) 50 (-1) 34 49
RH % (24H TREND) 92 (0) 34 (-10) 82 65
20FT WND AM(MPH) N 5 S 5
20FT WND PM(MPH) LGT/VAR LGT/VAR LGT/VAR S 8
PRECIP AMOUNT 0.00 0.00 0.00 0.00
PRECIP DURATION
PRECIP BEGIN
PRECIP END
MIXING HGT (FT-AGL) 670 6730 950 3200
TRANSPORT WND (KTS) N 13 W 6 SW 14 S 16
VENT RATE (KT-FT) 8710 40380 13300 51200
MAX ADI EARLY 24 FAIR 69 GOOD 46 GEN GOOD 45 GEN GOOD
MAX ADI LATE 11 POOR 53 GEN GOOD 9 POOR 42 GEN GOOD
MAX LVORI EARLY 4 1 4 3
MAX LVORI LATE 4 1 4 3
MIN VSBY EARLY 8 9 9 9
MIN VSBY LATE 9 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S.
SOUTHEAST WINDS AROUND 5 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS AROUND
5 MPH, BECOMING NORTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 40. HIGHS IN THE MID 50S. EAST WINDS AROUND
5 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTHEAST WINDS
AROUND 5 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO
10 MPH.
MAZ022-210800-
BARNSTABLE MA-
INCLUDING THE CITIES OF CHATHAM, FALMOUTH, AND PROVINCETOWN
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE SHOWERS NONE NONE SHOWERS
CHANCE PRECIP (%) 20 10 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 30 (-4) 47 (-3) 36 49
RH % (24H TREND) 100 (0) 38 (-10) 79 60
20FT WND AM(MPH) N 6 S 6
20FT WND PM(MPH) LGT/VAR NE 5 LGT/VAR S 8
PRECIP AMOUNT 0.05 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 2 AM
MIXING HGT (FT-AGL) 1000 5190 1310 3220
TRANSPORT WND (KTS) N 7 N 7 S 9 S 16
VENT RATE (KT-FT) 7000 36330 11790 51520
MAX ADI EARLY 21 FAIR 69 GOOD 34 FAIR 44 GEN GOOD
MAX ADI LATE 26 FAIR 46 GEN GOOD 11 POOR 43 GEN GOOD
MAX LVORI EARLY 4 1 4 3
MAX LVORI LATE 4 1 4 3
MIN VSBY EARLY 9 9 9 8
MIN VSBY LATE 8 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
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.
SOUTHEAST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. SOUTH WINDS AROUND
5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS AROUND 50. NORTHEAST WINDS 5 TO
10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 50S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHEAST
WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS 5 TO
10 MPH.
MAZ023-210800-
DUKES MA-
INCLUDING THE CITY OF VINEYARD HAVEN
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE SHOWERS NONE NONE SHOWERS
CHANCE PRECIP (%) 20 10 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 32 (-4) 48 (-2) 37 50
RH % (24H TREND) 86 (-3) 39 (-7) 70 60
20FT WND AM(MPH) N 9 S 8
20FT WND PM(MPH) NW 5 E 5 S 5 S 10
PRECIP AMOUNT 0.01 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 6 PM
PRECIP END 1 AM
MIXING HGT (FT-AGL) 1330 4580 1960 3240
TRANSPORT WND (KTS) NW 8 N 8 SW 14 S 16
VENT RATE (KT-FT) 10640 36640 27440 51840
MAX ADI EARLY 34 FAIR 69 GOOD 39 FAIR 46 GEN GOOD
MAX ADI LATE 29 FAIR 44 GEN GOOD 24 FAIR 44 GEN GOOD
MAX LVORI EARLY 3 1 3 3
MAX LVORI LATE 3 1 3 3
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 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.
SOUTHEAST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS 5 TO
10 MPH, BECOMING NORTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS
5 TO 10 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY THROUGH SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 40S. HIGHS IN THE LOWER 50S. EAST
WINDS 5 TO 10 MPH.
SUNDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTHEAST
WINDS 5 TO 10 MPH.
MONDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. EAST WINDS 5 TO
10 MPH.
MAZ024-210800-
NANTUCKET MA-
INCLUDING THE CITY OF NANTUCKET
409 PM EDT MON APR 20 2026
TONIGHT TUE TUE NIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR MCLDY
PRECIP TYPE SHOWERS NONE NONE SHOWERS
CHANCE PRECIP (%) 20 10 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 36 (-5) 45 (-5) 37 48
RH % (24H TREND) 89 (-7) 49 (-2) 73 63
20FT WND AM(MPH) N 9 S 7
20FT WND PM(MPH) NW 5 NE 6 LGT/VAR S 10
PRECIP AMOUNT 0.04 0.00 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 8 PM
PRECIP END 2 AM
MIXING HGT (FT-AGL) 1890 3720 1760 3040
TRANSPORT WND (KTS) NW 8 N 12 S 9 S 16
VENT RATE (KT-FT) 15120 44640 15840 48640
MAX ADI EARLY 47 GEN GOOD 59 GEN GOOD 29 FAIR 43 GEN GOOD
MAX ADI LATE 28 FAIR 59 GEN GOOD 10 POOR 46 GEN GOOD
MAX LVORI EARLY 4 2 3 3
MAX LVORI LATE 4 2 3 3
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
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S.
SOUTHEAST WINDS 5 TO 10 MPH.
THURSDAY
PARTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS 5 TO 10 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 40S. NORTH WINDS 5 TO
10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 40S. NORTHEAST WINDS
5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY. A CHANCE OF SHOWERS.
LOWS IN THE LOWER 40S. HIGHS AROUND 50. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
PARTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS IN THE LOWER 50S. EAST WINDS 5 TO 10 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES BELOW NORMAL. PRECIPITATION ABOVE NORMAL.
FOR THE LATEST UPDATES...PLEASE VISIT OUR WEBPAGE AT
WWW.WEATHER.GOV/BOSTON
YOU CAN FOLLOW US ON FACEBOOK AT
WWW.FACEBOOK.COM/US.NATIONALWEATHERSERVICE.BOSTON.GOV
YOU CAN FOLLOW US ON TWITTER AT
@NWSBOSTON
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page