872
FNUS51 KBOX 182009
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
409 PM EDT SAT APR 18 2026
DISCUSSION
SHOWERS RETURN SUNDAY WITH ANOTHER COLD FRONT. IT'S POSSIBLE
TEMPERATURES COULD DROP LOW ENOUGH SUNDAY TO SUPPORT SOME SNOW
FLURRIES IN THE HIGHER ELEVATION AREAS IN WESTERN MA. DRIER
MONDAY BUT A FEW SHOWERS WILL BE AROUND.
MINIMUM RELATIVE HUMIDITIES SUNDAY WILL BE BETWEEN 60 AND
80 PERCENT AND BETWEEN 35 AND 55 PERCENT MONDAY.
OUTLOOK...TUESDAY THROUGH THURSDAY
BELOW NORMAL TEMPERATURES MORE TYPICAL OF EARLY TO MID MARCH
CONTINUE TUESDAY, WITH BLUSTERY WEST WINDS, BUT DRY WEATHER
PREVAILS INTO EARLY NEXT WEEK. SOME SHOWERS POSSIBLE WEDNESDAY
ALONG WITH ANOTHER COLD FRONT PUSHING THROUGH THEN DRYING OUT
WITH WARMER TEMPERATURES ON THURSDAY.
MAZ015-190800-
SUFFOLK MA-
INCLUDING THE CITY OF BOSTON
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY CLOUDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 100 40 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 45 (-1) 56 (+3) 35 51
RH % (24H TREND) 96 (-4) 68 (+7) 79 34
20FT WND AM(MPH) LGT/VAR W 5
20FT WND PM(MPH) LGT/VAR NW 8 G22 NW 8 G21 W 6
PRECIP AMOUNT 0.00 0.35 0.02 0.00
PRECIP DURATION 8 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT (FT-AGL) 810 2190 340 8830
TRANSPORT WND (KTS) S 7 NW 23 W 10 W 15
VENT RATE (KT-FT) 5670 50370 3400 132450
MAX ADI EARLY 17 GEN POOR 15 GEN POOR 59 GEN GOOD 102 VERY GOOD
MAX ADI LATE 4 VERY POOR 51 GEN GOOD 9 POOR 105 VERY GOOD
MAX LVORI EARLY 6 4 3 2
MAX LVORI LATE 6 4 3 2
MIN VSBY EARLY 1 FOG 0 FOG 8 9
MIN VSBY LATE 0 FOG 2 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 100 80 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S. NORTH WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 40S. NORTH WINDS AROUND
5 MPH, BECOMING EAST IN THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE MID 50S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. WEST
WINDS 5 TO 10 MPH.
THURSDAY THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTH WINDS AROUND 5 MPH, BECOMING EAST IN THE
AFTERNOON.
MAZ016-190800-
EASTERN NORFOLK MA-
INCLUDING THE CITY OF QUINCY
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY CLOUDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 100 40 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 44 (-1) 58 (+5) 34 51
RH % (24H TREND) 96 (-4) 71 (+8) 82 34
20FT WND AM(MPH) S 5 W 5
20FT WND PM(MPH) LGT/VAR NW 9 G22 NW 8 G20 W 5
PRECIP AMOUNT 0.00 0.32 0.03 0.00
PRECIP DURATION 8 0
PRECIP BEGIN 7 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT (FT-AGL) 700 2090 290 8380
TRANSPORT WND (KTS) S 8 NW 25 W 10 W 15
VENT RATE (KT-FT) 5600 52250 2900 125700
MAX ADI EARLY 16 GEN POOR 19 GEN POOR 58 GEN GOOD 97 GOOD
MAX ADI LATE 6 VERY POOR 51 GEN GOOD 9 POOR 105 VERY GOOD
MAX LVORI EARLY 7 4 3 2
MAX LVORI LATE 7 4 3 2
MIN VSBY EARLY 0 FOG 0 FOG 8 9
MIN VSBY LATE 0 FOG 2 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 100 90 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S. NORTH WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 40S. NORTH WINDS 5 TO
10 MPH, BECOMING EAST IN THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE MID 50S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. WEST WINDS 5 TO
10 MPH.
THURSDAY THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS IN THE LOWER 60S. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTH WINDS AROUND 5 MPH, BECOMING EAST IN THE
AFTERNOON.
MAZ013-190800-
WESTERN NORFOLK MA-
INCLUDING THE CITIES OF FOXBOROUGH AND NORWOOD
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY CLOUDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 100 40 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 44 (0) 56 (+1) 33 51
RH % (24H TREND) 96 (-4) 71 (+10) 86 29
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR NW 9 G20 NW 7 G19 W 5
PRECIP AMOUNT 0.00 0.33 0.02 0.00
PRECIP DURATION 8 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT (FT-AGL) 530 2340 330 8860
TRANSPORT WND (KTS) S 6 NW 23 W 9 W 15
VENT RATE (KT-FT) 3180 53820 2970 132900
MAX ADI EARLY 16 GEN POOR 19 GEN POOR 48 GEN GOOD 105 VERY GOOD
MAX ADI LATE 6 VERY POOR 54 GEN GOOD 8 POOR 105 VERY GOOD
MAX LVORI EARLY 8 4 3 2
MAX LVORI LATE 8 4 3 2
MIN VSBY EARLY 0 FOG 0 FOG 9 9
MIN VSBY LATE 0 FOG 2 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 100 90 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 30. NORTH WINDS AROUND
5 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS AROUND
5 MPH, BECOMING WEST IN THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE MID
30S. HIGHS IN THE MID 50S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS
AROUND 40. HIGHS IN THE LOWER 60S. NORTH WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTH WINDS AROUND 5 MPH, BECOMING EAST AROUND 5 MPH
IN THE AFTERNOON.
MAZ014-190800-
SOUTHEAST MIDDLESEX MA-
INCLUDING THE CITY OF CAMBRIDGE
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY CLOUDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 100 40 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 45 (0) 56 (0) 35 51
RH % (24H TREND) 93 (-7) 71 (+10) 79 33
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR NW 8 G20 NW 7 G19 W 6
PRECIP AMOUNT 0.00 0.35 0.02 0.00
PRECIP DURATION 8 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT (FT-AGL) 810 2350 310 8790
TRANSPORT WND (KTS) S 7 NW 25 W 9 W 15
VENT RATE (KT-FT) 5670 58750 2790 131850
MAX ADI EARLY 18 GEN POOR 16 GEN POOR 55 GEN GOOD 105 VERY GOOD
MAX ADI LATE 4 VERY POOR 58 GEN GOOD 8 POOR 105 VERY GOOD
MAX LVORI EARLY 6 4 3 2
MAX LVORI LATE 6 4 3 2
MIN VSBY EARLY 1 FOG 0 FOG 9 9
MIN VSBY LATE 0 FOG 2 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 100 90 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE MID 50S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN
THE LOWER 40S. HIGHS IN THE LOWER 60S. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE LOWER 60S. NORTH WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
60. NORTH WINDS AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
MAZ007-190800-
EASTERN ESSEX MA-
INCLUDING THE CITY OF GLOUCESTER
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY CLOUDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 10 100 50 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 42 (-1) 54 (+2) 34 50
RH % (24H TREND) 100 (0) 76 (+12) 89 34
20FT WND AM(MPH) LGT/VAR W 5
20FT WND PM(MPH) LGT/VAR NW 8 G22 NW 8 G20 W 5
PRECIP AMOUNT 0.00 0.36 0.03 0.00
PRECIP DURATION 8 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT (FT-AGL) 780 1970 320 8860
TRANSPORT WND (KTS) S 7 NW 24 W 11 W 14
VENT RATE (KT-FT) 5460 47280 3520 124040
MAX ADI EARLY 17 GEN POOR 14 GEN POOR 52 GEN GOOD 98 GOOD
MAX ADI LATE 4 VERY POOR 51 GEN GOOD 9 POOR 104 VERY GOOD
MAX LVORI EARLY 8 5 4 2
MAX LVORI LATE 8 5 4 2
MIN VSBY EARLY 1 FOG 0 FOG 8 9
MIN VSBY LATE 0 FOG 2 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 100 90 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S. NORTH WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 40S. NORTH WINDS 5 TO
10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE LOWER 50S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST
WINDS 5 TO 10 MPH.
THURSDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO 10 MPH.
MAZ006-190800-
WESTERN ESSEX MA-
INCLUDING THE CITY OF LAWRENCE
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY CLOUDY PCLDY PCLDY
PRECIP TYPE DRIZZLE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 100 40 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 43 (+1) 54 (-1) 33 50
RH % (24H TREND) 100 (0) 73 (+16) 82 31
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR NW 8 G19 NW 7 G18 NW 5
PRECIP AMOUNT 0.01 0.36 0.02 0.00
PRECIP DURATION 0 8 0
PRECIP BEGIN 12 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 8 PM
MIXING HGT (FT-AGL) 810 2110 290 8780
TRANSPORT WND (KTS) S 7 NW 23 W 8 W 14
VENT RATE (KT-FT) 5670 48530 2320 122920
MAX ADI EARLY 17 GEN POOR 14 GEN POOR 50 GEN GOOD 105 VERY GOOD
MAX ADI LATE 4 VERY POOR 53 GEN GOOD 5 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 7 5 4 2
MAX LVORI LATE 7 5 4 2
MIN VSBY EARLY 1 FOG 0 FOG 9 9
MIN VSBY LATE 0 FOG 2 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 100 90 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS AROUND 50. NORTH WINDS AROUND 5 MPH,
BECOMING SOUTH AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE MID
30S. HIGHS IN THE MID 50S. SOUTHWEST WINDS AROUND 5 MPH.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN
THE UPPER 30S. HIGHS IN THE LOWER 60S. NORTHWEST WINDS AROUND
5 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS AROUND 60. NORTH WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS
AROUND 5 MPH, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
MAZ005-190800-
CENTRAL MIDDLESEX MA-
INCLUDING THE CITIES OF FRAMINGHAM AND LOWELL
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY CLOUDY MCLEAR PCLDY
PRECIP TYPE DRIZZLE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 100 40 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 44 (+1) 55 (-3) 33 51
RH % (24H TREND) 100 (0) 73 (+19) 82 29
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR NW 8 G19 W 6 G17 NW 5
PRECIP AMOUNT 0.01 0.38 0.02 0.00
PRECIP DURATION 0 8 0
PRECIP BEGIN 2 AM CONTINUING CONTINUING
PRECIP END CONTINUING CONTINUING 8 PM
MIXING HGT (FT-AGL) 700 2400 340 8860
TRANSPORT WND (KTS) S 6 NW 22 W 8 W 14
VENT RATE (KT-FT) 4200 52800 2720 124040
MAX ADI EARLY 19 GEN POOR 16 GEN POOR 63 GOOD 105 VERY GOOD
MAX ADI LATE 4 VERY POOR 56 GEN GOOD 5 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 7 4 3 2
MAX LVORI LATE 7 4 3 2
MIN VSBY EARLY 1 FOG 0 FOG 9 9
MIN VSBY LATE 0 FOG 2 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 100 80 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 30. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 50S. SOUTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS
AROUND 40. HIGHS IN THE LOWER 60S. NORTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTH WINDS AROUND 5 MPH, BECOMING EAST AROUND 5 MPH
IN THE AFTERNOON.
MAZ012-190800-
SOUTHERN WORCESTER MA-
INCLUDING THE CITIES OF MILFORD AND WORCESTER
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY CLOUDY MCLEAR PCLDY
PRECIP TYPE NONE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 100 30 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 44 (0) 55 (-3) 32 49
RH % (24H TREND) 100 (0) 73 (+16) 82 31
20FT WND AM(MPH) S 5 W 5
20FT WND PM(MPH) LGT/VAR NW 9 G23 W 7 G19 W 7
PRECIP AMOUNT 0.00 0.38 0.02 0.00
PRECIP DURATION 8 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT (FT-AGL) 520 2390 370 8750
TRANSPORT WND (KTS) S 5 NW 22 W 10 W 15
VENT RATE (KT-FT) 2600 52580 3700 131250
MAX ADI EARLY 18 GEN POOR 16 GEN POOR 48 GEN GOOD 105 VERY GOOD
MAX ADI LATE 8 POOR 54 GEN GOOD 9 POOR 105 VERY GOOD
MAX LVORI EARLY 7 4 4 1
MAX LVORI LATE 7 4 4 1
MIN VSBY EARLY 1 FOG 0 FOG 9 9
MIN VSBY LATE 0 FOG 3 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 100 80 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS AROUND
5 MPH, BECOMING WEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 50S. SOUTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
LOWER 40S. HIGHS IN THE MID 60S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST
AROUND 5 MPH IN THE AFTERNOON.
MAZ004-190800-
NORTHERN WORCESTER MA-
INCLUDING THE CITIES OF BARRE AND FITCHBURG
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY CLOUDY MCLEAR PCLDY
PRECIP TYPE DRIZZLE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 20 100 30 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 40 (-4) 53 (-4) 29 48
RH % (24H TREND) 100 (0) 68 (+15) 82 29
20FT WND AM(MPH) SW 5 W 6
20FT WND PM(MPH) LGT/VAR NW 9 G23 W 8 G20 NW 7
PRECIP AMOUNT 0.02 0.47 0.00 0.00
PRECIP DURATION 0 9
PRECIP BEGIN 12 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 430 2440 240 8190
TRANSPORT WND (KTS) S 8 NW 20 W 9 NW 14
VENT RATE (KT-FT) 3440 48800 2160 114660
MAX ADI EARLY 26 FAIR 18 GEN POOR 44 GEN GOOD 99 GOOD
MAX ADI LATE 6 VERY POOR 53 GEN GOOD 8 POOR 63 GOOD
MAX LVORI EARLY 8 4 4 1
MAX LVORI LATE 8 4 4 1
MIN VSBY EARLY 0 FOG 0 FOG 9 9
MIN VSBY LATE 0 FOG 3 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 20 100 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 20S. NORTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS AROUND 50. NORTHWEST WINDS AROUND 5 MPH,
BECOMING WEST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 50S. SOUTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
30S. 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 AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S.
HIGHS IN THE LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST
AROUND 5 MPH IN THE AFTERNOON.
MAZ026-190800-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITY OF AYER
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY CLOUDY MCLEAR PCLDY
PRECIP TYPE NONE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 20 100 30 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 42 (-1) 54 (-4) 31 50
RH % (24H TREND) 100 (0) 76 (+17) 82 33
20FT WND AM(MPH) LGT/VAR LGT/VAR
20FT WND PM(MPH) LGT/VAR NW 8 G23 W 6 G18 NW 5
PRECIP AMOUNT 0.00 0.44 0.02 0.00
PRECIP DURATION 8 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT (FT-AGL) 620 2610 310 8600
TRANSPORT WND (KTS) S 7 NW 21 W 9 NW 13
VENT RATE (KT-FT) 4340 54810 2790 111800
MAX ADI EARLY 23 FAIR 12 POOR 62 GOOD 105 VERY GOOD
MAX ADI LATE 4 VERY POOR 53 GEN GOOD 5 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 7 4 3 2
MAX LVORI LATE 7 4 3 2
MIN VSBY EARLY 3 FOG 0 FOG 9 9
MIN VSBY LATE 0 FOG 3 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 100 80 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 50S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 50S. SOUTHWEST WINDS
AROUND 5 MPH.
WEDNESDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN
THE UPPER 30S. HIGHS IN THE LOWER 60S. NORTHWEST WINDS AROUND
5 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTH WINDS AROUND 5 MPH, BECOMING EAST AROUND 5 MPH
IN THE AFTERNOON.
MAZ002-190800-
WESTERN FRANKLIN MA-
INCLUDING THE CITY OF CHARLEMONT
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS TSTMS NONE NONE
CHANCE PRECIP (%) 40 100 20 10
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 37 (-11) 50 (-10) 27 44
RH % (24H TREND) 100 (0) 67 (+23) 81 36
20FT WND AM(MPH) SW 6 G18 W 6
20FT WND PM(MPH) SE 5 NW 8 G20 W 8 G20 NW 5
PRECIP AMOUNT 0.04 0.45 0.00 0.00
PRECIP DURATION 1 9
PRECIP BEGIN 2 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 470 2930 300 7220
TRANSPORT WND (KTS) S 11 NW 22 W 11 NW 13
VENT RATE (KT-FT) 5170 64460 3300 93860
MAX ADI EARLY 32 FAIR 39 FAIR 61 GOOD 105 VERY GOOD
MAX ADI LATE 10 POOR 56 GEN GOOD 10 POOR 105 VERY GOOD
MAX LVORI EARLY 7 3 4 1
MAX LVORI LATE 7 3 4 1
MIN VSBY EARLY 8 2 FOG 8 9
MIN VSBY LATE 1 FOG 4 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 40 100 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 20S. NORTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 40S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING WEST AROUND 5 MPH IN THE AFTERNOON.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER
30S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
UPPER 30S. HIGHS IN THE LOWER 60S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
60. EAST WINDS AROUND 5 MPH.
MAZ003-190800-
EASTERN FRANKLIN MA-
INCLUDING THE CITIES OF GREENFIELD AND ORANGE
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY CLOUDY MCLEAR PCLDY
PRECIP TYPE SHOWERS TSTMS NONE NONE
CHANCE PRECIP (%) 30 100 20 10
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 42 (-5) 52 (-9) 30 47
RH % (24H TREND) 100 (0) 68 (+14) 82 32
20FT WND AM(MPH) SW 5 W 5
20FT WND PM(MPH) SE 5 NW 8 G21 W 7 G18 NW 7
PRECIP AMOUNT 0.02 0.49 0.00 0.00
PRECIP DURATION 0 8
PRECIP BEGIN 4 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 640 2840 220 7950
TRANSPORT WND (KTS) S 11 NW 19 W 7 NW 13
VENT RATE (KT-FT) 7040 53960 1540 103350
MAX ADI EARLY 33 FAIR 27 FAIR 51 GEN GOOD 105 VERY GOOD
MAX ADI LATE 9 POOR 47 GEN GOOD 7 POOR 104 VERY GOOD
MAX LVORI EARLY 8 4 4 1
MAX LVORI LATE 8 4 4 1
MIN VSBY EARLY 8 1 FOG 9 9
MIN VSBY LATE 1 FOG 4 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 30 100 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 20S. NORTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS AROUND 50. NORTHWEST WINDS AROUND 5 MPH,
BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 50S. SOUTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
30S. HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. NORTHWEST WINDS
5 TO 10 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. HIGHS
IN THE MID 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND
5 MPH IN THE AFTERNOON.
MAZ008-190800-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITY OF CHESTERFIELD
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY MCLEAR PCLDY
PRECIP TYPE SHOWERS TSTMS NONE NONE
CHANCE PRECIP (%) 30 100 20 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 38 (-8) 51 (-10) 28 45
RH % (24H TREND) 100 (0) 67 (+11) 81 34
20FT WND AM(MPH) W 6 G19 W 7 G17
20FT WND PM(MPH) SE 6 NW 10 G23 W 9 G22 NW 7
PRECIP AMOUNT 0.03 0.46 0.00 0.00
PRECIP DURATION 0 9
PRECIP BEGIN 4 AM CONTINUING
PRECIP END CONTINUING 6 PM
MIXING HGT (FT-AGL) 560 2860 360 7330
TRANSPORT WND (KTS) S 12 NW 23 W 11 NW 15
VENT RATE (KT-FT) 6720 65780 3960 109950
MAX ADI EARLY 32 FAIR 42 GEN GOOD 54 GEN GOOD 74 GOOD
MAX ADI LATE 12 POOR 60 GEN GOOD 10 POOR 63 GOOD
MAX LVORI EARLY 7 3 4 1
MAX LVORI LATE 7 3 4 1
MIN VSBY EARLY 8 2 FOG 9 9
MIN VSBY LATE 1 FOG 4 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 40 100 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 20S. NORTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 40S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 50S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER
30S. HIGHS AROUND 60. NORTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
UPPER 30S. HIGHS IN THE LOWER 60S. EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AROUND
5 MPH IN THE AFTERNOON.
MAZ010-190800-
EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF AMHERST AND NORTHAMPTON
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY MCLEAR PCLDY
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 30 100 20 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 43 (-3) 54 (-10) 31 49
RH % (24H TREND) 100 (0) 68 (+14) 82 32
20FT WND AM(MPH) SW 5 W 6
20FT WND PM(MPH) SE 6 NW 9 G23 W 8 G19 NW 7
PRECIP AMOUNT 0.00 0.47 0.00 0.00
PRECIP DURATION 8
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 730 3060 300 8140
TRANSPORT WND (KTS) S 10 NW 19 W 7 NW 14
VENT RATE (KT-FT) 7300 58140 2100 113960
MAX ADI EARLY 33 FAIR 27 FAIR 41 GEN GOOD 105 VERY GOOD
MAX ADI LATE 9 POOR 48 GEN GOOD 7 POOR 60 GEN GOOD
MAX LVORI EARLY 7 4 3 1
MAX LVORI LATE 7 4 3 1
MIN VSBY EARLY 8 1 FOG 9 9
MIN VSBY LATE 2 FOG 4 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 100 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 20S. NORTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 50S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
30S. 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 AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE MID 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTH AROUND
5 MPH IN THE AFTERNOON.
MAZ009-190800-
WESTERN HAMPDEN MA-
INCLUDING THE CITY OF BLANDFORD
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY MCLEAR PCLDY
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 30 100 10 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 38 (-8) 52 (-11) 30 46
RH % (24H TREND) 100 (0) 67 (+17) 81 34
20FT WND AM(MPH) W 6 G18 NW 7
20FT WND PM(MPH) SE 6 NW 11 G23 W 9 G21 NW 7
PRECIP AMOUNT 0.00 0.45 0.00 0.00
PRECIP DURATION 8
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 540 2730 180 7240
TRANSPORT WND (KTS) S 12 NW 23 W 10 NW 16
VENT RATE (KT-FT) 6480 62790 1800 115840
MAX ADI EARLY 33 FAIR 43 GEN GOOD 56 GEN GOOD 70 GOOD
MAX ADI LATE 12 POOR 57 GEN GOOD 9 POOR 66 GOOD
MAX LVORI EARLY 7 3 4 1
MAX LVORI LATE 7 3 4 1
MIN VSBY EARLY 9 1 FOG 9 9
MIN VSBY LATE 1 FOG 4 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 100 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 20S. NORTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 40S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 50S. SOUTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 30S. NORTHWEST
WINDS 5 TO 10 MPH.
THURSDAY THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS 34 TO 41.
HIGHS IN THE LOWER 60S. EAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST
AROUND 5 MPH IN THE AFTERNOON.
MAZ011-190800-
EASTERN HAMPDEN MA-
INCLUDING THE CITY OF SPRINGFIELD
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY MCLEAR PCLDY
PRECIP TYPE NONE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 20 100 20 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 43 (-3) 54 (-10) 32 49
RH % (24H TREND) 100 (0) 60 (+12) 79 30
20FT WND AM(MPH) SW 5 W 6
20FT WND PM(MPH) SE 6 NW 10 G23 W 8 G21 NW 7
PRECIP AMOUNT 0.00 0.47 0.00 0.00
PRECIP DURATION 8
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 750 3110 230 8150
TRANSPORT WND (KTS) S 9 NW 20 W 7 NW 15
VENT RATE (KT-FT) 6750 62200 1610 122250
MAX ADI EARLY 32 FAIR 28 FAIR 39 FAIR 104 VERY GOOD
MAX ADI LATE 10 POOR 53 GEN GOOD 7 POOR 64 GOOD
MAX LVORI EARLY 7 4 4 1
MAX LVORI LATE 7 4 4 1
MIN VSBY EARLY 5 FOG 1 FOG 9 9
MIN VSBY LATE 2 FOG 4 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 100 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 20S. NORTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 50S. NORTHWEST WINDS AROUND
5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
30S. HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
LOWER 40S. HIGHS IN THE MID 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AROUND
5 MPH IN THE AFTERNOON.
CTZ002-190800-
HARTFORD CT-
INCLUDING THE CITIES OF HARTFORD AND WINDSOR LOCKS
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY MCLEAR PCLDY
PRECIP TYPE NONE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 20 100 20 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 43 (-4) 55 (-12) 33 50
RH % (24H TREND) 100 (0) 65 (+16) 81 29
20FT WND AM(MPH) SW 5 NW 5
20FT WND PM(MPH) SE 5 NW 10 G23 W 8 G20 NW 7
PRECIP AMOUNT 0.00 0.41 0.00 0.00
PRECIP DURATION 8
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 800 3150 250 8470
TRANSPORT WND (KTS) S 10 NW 20 W 7 NW 16
VENT RATE (KT-FT) 8000 63000 1750 135520
MAX ADI EARLY 32 FAIR 30 FAIR 42 GEN GOOD 104 VERY GOOD
MAX ADI LATE 8 POOR 55 GEN GOOD 6 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 7 4 4 1
MAX LVORI LATE 7 4 4 1
MIN VSBY EARLY 8 1 FOG 9 9
MIN VSBY LATE 2 FOG 5 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 100 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 20S. NORTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHWEST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
THURSDAY THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS 37 TO 44.
HIGHS IN THE MID 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AROUND
5 MPH IN THE AFTERNOON.
CTZ003-190800-
TOLLAND CT-
INCLUDING THE CITIES OF UNION AND VERNON
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY MCLEAR PCLDY
PRECIP TYPE NONE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 20 100 20 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 44 (-2) 54 (-10) 32 50
RH % (24H TREND) 100 (0) 76 (+20) 82 34
20FT WND AM(MPH) S 6 NW 6
20FT WND PM(MPH) SE 6 NW 11 G24 NW 9 G21 NW 7
PRECIP AMOUNT 0.00 0.40 0.00 0.00
PRECIP DURATION 9
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 590 2640 150 8320
TRANSPORT WND (KTS) S 10 NW 21 W 8 NW 16
VENT RATE (KT-FT) 5900 55440 1200 133120
MAX ADI EARLY 22 FAIR 17 GEN POOR 45 GEN GOOD 86 GOOD
MAX ADI LATE 11 POOR 56 GEN GOOD 7 POOR 67 GOOD
MAX LVORI EARLY 6 4 4 1
MAX LVORI LATE 6 4 4 1
MIN VSBY EARLY 5 FOG 0 FOG 9 9
MIN VSBY LATE 0 FOG 4 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 100 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS AROUND
5 MPH, BECOMING WEST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. SOUTH WINDS
5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE UPPER 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE MID
30S. HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
LOWER 40S. HIGHS IN THE MID 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AROUND
5 MPH IN THE AFTERNOON.
CTZ004-190800-
WINDHAM CT-
INCLUDING THE CITIES OF PUTNAM AND WILLIMANTIC
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY MCLEAR PCLDY
PRECIP TYPE NONE TSTMS NONE SHOWERS
CHANCE PRECIP (%) 10 100 30 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 45 (-1) 56 (-5) 32 50
RH % (24H TREND) 100 (0) 68 (+14) 82 30
20FT WND AM(MPH) S 5 W 5
20FT WND PM(MPH) LGT/VAR NW 10 G23 NW 8 G20 NW 7
PRECIP AMOUNT 0.00 0.33 0.00 0.00
PRECIP DURATION 8
PRECIP BEGIN 6 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 550 2510 280 8720
TRANSPORT WND (KTS) S 7 NW 23 W 8 W 16
VENT RATE (KT-FT) 3850 57730 2240 139520
MAX ADI EARLY 19 GEN POOR 17 GEN POOR 46 GEN GOOD 104 VERY GOOD
MAX ADI LATE 8 POOR 57 GEN GOOD 8 POOR 105 VERY GOOD
MAX LVORI EARLY 7 4 3 1
MAX LVORI LATE 7 4 3 1
MIN VSBY EARLY 1 FOG 0 FOG 8 9
MIN VSBY LATE 0 FOG 4 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 100 0 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS AROUND
5 MPH, BECOMING WEST AROUND 5 MPH IN THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE MID
30S. HIGHS IN THE MID 50S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE MID 60S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
LOWER 40S. HIGHS IN THE MID 60S. EAST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST
AROUND 5 MPH IN THE AFTERNOON.
RIZ001-190800-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF FOSTER AND SMITHFIELD
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY CLOUDY MCLEAR PCLDY
PRECIP TYPE NONE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 100 30 30
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 45 (0) 56 (-2) 33 50
RH % (24H TREND) 96 (-4) 74 (+14) 86 33
20FT WND AM(MPH) S 5 W 5
20FT WND PM(MPH) LGT/VAR NW 9 G22 NW 7 G19 NW 6
PRECIP AMOUNT 0.00 0.28 0.02 0.00
PRECIP DURATION 7 0
PRECIP BEGIN 6 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT (FT-AGL) 490 2310 350 8810
TRANSPORT WND (KTS) S 6 NW 24 W 10 W 16
VENT RATE (KT-FT) 2940 55440 3500 140960
MAX ADI EARLY 15 GEN POOR 19 GEN POOR 50 GEN GOOD 104 VERY GOOD
MAX ADI LATE 8 POOR 55 GEN GOOD 8 POOR 105 VERY GOOD
MAX LVORI EARLY 6 4 3 1
MAX LVORI LATE 6 4 3 1
MIN VSBY EARLY 1 FOG 0 FOG 8 9
MIN VSBY LATE 0 FOG 3 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 90 80 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 20S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS AROUND
5 MPH, BECOMING WEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 50S. SOUTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT THROUGH FRIDAY
PARTLY CLOUDY. LOWS AROUND 40.
HIGHS IN THE LOWER 60S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. EAST WINDS
AROUND 5 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST
AROUND 5 MPH IN THE AFTERNOON.
RIZ002-190800-
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITY OF PROVIDENCE
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY CLOUDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 100 40 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 45 (-2) 57 (-1) 34 51
RH % (24H TREND) 96 (-4) 79 (+15) 86 37
20FT WND AM(MPH) S 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR NW 9 G20 NW 7 G18 W 6
PRECIP AMOUNT 0.00 0.24 0.02 0.00
PRECIP DURATION 7 0
PRECIP BEGIN 7 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT (FT-AGL) 540 2460 330 8270
TRANSPORT WND (KTS) S 8 NW 19 W 8 W 15
VENT RATE (KT-FT) 4320 46740 2640 124050
MAX ADI EARLY 18 GEN POOR 22 FAIR 52 GEN GOOD 99 GOOD
MAX ADI LATE 6 VERY POOR 55 GEN GOOD 5 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 7 4 3 1
MAX LVORI LATE 7 4 3 1
MIN VSBY EARLY 2 FOG 0 FOG 9 9
MIN VSBY LATE 0 FOG 3 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 90 80 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 30. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 50S. SOUTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE LOWER 60S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
LOWER 40S. HIGHS IN THE LOWER 60S. NORTHEAST WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTH WINDS AROUND 5 MPH, BECOMING SOUTHEAST AROUND
5 MPH IN THE AFTERNOON.
RIZ003-190800-
WESTERN KENT RI-
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY MCLEAR PCLDY
PRECIP TYPE NONE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 100 30 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 45 (-2) 56 (-3) 33 50
RH % (24H TREND) 96 (-4) 79 (+12) 83 37
20FT WND AM(MPH) S 5 W 5
20FT WND PM(MPH) LGT/VAR NW 9 G21 NW 7 G19 W 6
PRECIP AMOUNT 0.00 0.23 0.01 0.00
PRECIP DURATION 7 0
PRECIP BEGIN 7 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT (FT-AGL) 520 2320 320 8120
TRANSPORT WND (KTS) S 9 NW 23 W 9 W 16
VENT RATE (KT-FT) 4680 53360 2880 129920
MAX ADI EARLY 15 GEN POOR 16 GEN POOR 47 GEN GOOD 103 VERY GOOD
MAX ADI LATE 8 POOR 54 GEN GOOD 8 POOR 105 VERY GOOD
MAX LVORI EARLY 7 4 3 1
MAX LVORI LATE 7 4 3 1
MIN VSBY EARLY 2 FOG 0 FOG 8 9
MIN VSBY LATE 0 FOG 3 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 90 50 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 30. NORTHWEST WINDS
AROUND 5 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. SOUTHWEST
WINDS AROUND 5 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 50S. SOUTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT THROUGH FRIDAY
PARTLY CLOUDY. LOWS AROUND 40.
HIGHS IN THE LOWER 60S. NORTHWEST WINDS AROUND 5 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST IN
THE AFTERNOON.
RIZ004-190800-
EASTERN KENT RI-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 100 30 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 46 (-2) 58 (0) 35 52
RH % (24H TREND) 100 (0) 74 (+12) 86 34
20FT WND AM(MPH) S 5 W 5
20FT WND PM(MPH) LGT/VAR NW 9 G20 NW 7 G19 W 6
PRECIP AMOUNT 0.00 0.19 0.02 0.00
PRECIP DURATION 7 0
PRECIP BEGIN 7 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT (FT-AGL) 600 2330 420 7980
TRANSPORT WND (KTS) S 8 NW 19 W 8 W 15
VENT RATE (KT-FT) 4800 44270 3360 119700
MAX ADI EARLY 17 GEN POOR 23 FAIR 43 GEN GOOD 97 GOOD
MAX ADI LATE 7 POOR 54 GEN GOOD 8 POOR 105 VERY GOOD
MAX LVORI EARLY 7 4 3 1
MAX LVORI LATE 7 4 3 1
MIN VSBY EARLY 3 FOG 0 FOG 9 9
MIN VSBY LATE 0 FOG 2 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 80 80 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE MID 50S. SOUTHWEST WINDS
5 TO 10 MPH.
WEDNESDAY NIGHT THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE
LOWER 40S. HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHEAST
WINDS 5 TO 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
60. NORTH WINDS AROUND 5 MPH, BECOMING SOUTHEAST IN THE
AFTERNOON.
RIZ005-190800-
BRISTOL RI-
INCLUDING THE CITY OF BRISTOL
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 100 40 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 46 (-1) 57 (+1) 36 50
RH % (24H TREND) 100 (0) 80 (+16) 86 40
20FT WND AM(MPH) S 6 W 5
20FT WND PM(MPH) LGT/VAR NW 10 G20 NW 9 G19 W 7
PRECIP AMOUNT 0.00 0.21 0.02 0.00
PRECIP DURATION 6 0
PRECIP BEGIN 7 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT (FT-AGL) 660 2390 520 7240
TRANSPORT WND (KTS) S 9 NW 23 W 8 W 15
VENT RATE (KT-FT) 5940 54970 4160 108600
MAX ADI EARLY 16 GEN POOR 22 FAIR 41 GEN GOOD 90 GOOD
MAX ADI LATE 7 POOR 56 GEN GOOD 7 POOR 105 VERY GOOD
MAX LVORI EARLY 7 5 3 1
MAX LVORI LATE 7 5 3 1
MIN VSBY EARLY 2 FOG 0 FOG 9 9
MIN VSBY LATE 0 FOG 2 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 90 90 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 40S. NORTH WINDS 5 TO
10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY. HIGHS IN THE LOWER 50S. SOUTHWEST
WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT THROUGH FRIDAY
PARTLY CLOUDY. LOWS IN THE
LOWER 40S. HIGHS IN THE LOWER 60S. NORTH WINDS 5 TO 10 MPH.
FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. SOUTHEAST
WINDS 5 TO 10 MPH, BECOMING NORTHEAST AFTER MIDNIGHT.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTH WINDS AROUND 5 MPH, BECOMING SOUTHEAST IN THE
AFTERNOON.
RIZ006-190800-
WASHINGTON RI-
INCLUDING THE CITIES OF NARRAGANSETT AND WESTERLY
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 100 30 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 43 (-5) 57 (-1) 33 51
RH % (24H TREND) 100 (0) 72 (+8) 89 38
20FT WND AM(MPH) S 5 G17 LGT/VAR
20FT WND PM(MPH) LGT/VAR NW 9 G21 NW 8 G19 W 6
PRECIP AMOUNT 0.00 0.18 0.01 0.00
PRECIP DURATION 7 0
PRECIP BEGIN 7 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT (FT-AGL) 580 2200 370 7740
TRANSPORT WND (KTS) S 8 NW 20 W 9 W 15
VENT RATE (KT-FT) 4640 44000 3330 116100
MAX ADI EARLY 14 GEN POOR 18 GEN POOR 44 GEN GOOD 96 GOOD
MAX ADI LATE 7 POOR 51 GEN GOOD 8 POOR 104 VERY GOOD
MAX LVORI EARLY 9 4 3 1
MAX LVORI LATE 9 4 3 1
MIN VSBY EARLY 2 FOG 0 FOG 8 9
MIN VSBY LATE 0 FOG 2 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 70 70 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 40S. NORTH WINDS 5 TO
10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE MID 50S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE LOWER 60S. WEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
LOWER 40S. HIGHS AROUND 60. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 50S. NORTHEAST WINDS 5 TO 10 MPH, BECOMING SOUTHEAST IN THE
AFTERNOON.
RIZ007-190800-
NEWPORT RI-
INCLUDING THE CITY OF NEWPORT
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 100 40 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 45 (-3) 56 (+1) 36 51
RH % (24H TREND) 100 (0) 77 (+10) 89 41
20FT WND AM(MPH) S 7 G18 W 5
20FT WND PM(MPH) LGT/VAR NW 10 G20 NW 9 G18 W 7
PRECIP AMOUNT 0.00 0.17 0.02 0.00
PRECIP DURATION 6 0
PRECIP BEGIN 8 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT (FT-AGL) 650 2210 580 6620
TRANSPORT WND (KTS) S 10 NW 22 W 10 W 14
VENT RATE (KT-FT) 6500 48620 5800 92680
MAX ADI EARLY 14 GEN POOR 20 GEN POOR 45 GEN GOOD 85 GOOD
MAX ADI LATE 8 POOR 50 GEN GOOD 10 POOR 104 VERY GOOD
MAX LVORI EARLY 7 5 3 1
MAX LVORI LATE 7 5 3 1
MIN VSBY EARLY 2 FOG 0 FOG 9 9
MIN VSBY LATE 0 FOG 2 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 90 90 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 40S. NORTH WINDS 5 TO
10 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE LOWER 50S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS IN THE UPPER 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
MID 40S. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 50S. NORTHEAST WINDS 5 TO 10 MPH, BECOMING SOUTHEAST IN THE
AFTERNOON.
RIZ008-190800-
BLOCK ISLAND RI-
INCLUDING THE CITY OF NEW SHOREHAM
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 100 30 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 43 (-4) 53 (+2) 39 48
RH % (24H TREND) 100 (0) 79 (-1) 86 49
20FT WND AM(MPH) S 9 G19 W 7
20FT WND PM(MPH) E 5 NW 12 G22 NW 10 G20 W 7
PRECIP AMOUNT 0.00 0.14 0.01 0.00
PRECIP DURATION 6 0
PRECIP BEGIN 8 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT (FT-AGL) 380 1730 970 3070
TRANSPORT WND (KTS) S 10 NW 22 W 13 NW 14
VENT RATE (KT-FT) 3800 38060 12610 42980
MAX ADI EARLY 16 GEN POOR 28 FAIR 56 GEN GOOD 61 GOOD
MAX ADI LATE 9 POOR 44 GEN GOOD 14 GEN POOR 69 GOOD
MAX LVORI EARLY 8 5 3 1
MAX LVORI LATE 8 5 3 1
MIN VSBY EARLY 1 FOG 0 FOG 9 9
MIN VSBY LATE 0 FOG 2 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 80 80 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 40S. NORTH WINDS 5 TO 10 MPH,
BECOMING SOUTH IN THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. LOWS AROUND 40.
HIGHS IN THE LOWER 50S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID
40S. HIGHS IN THE LOWER 50S. EAST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 50S. NORTHEAST WINDS 5 TO 10 MPH, BECOMING EAST IN THE
AFTERNOON.
MAZ017-190800-
NORTHERN BRISTOL MA-
INCLUDING THE CITY OF TAUNTON
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY CLOUDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 100 40 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 43 (-2) 57 (+1) 32 51
RH % (24H TREND) 100 (0) 74 (+15) 86 33
20FT WND AM(MPH) S 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR NW 8 G19 NW 7 G18 W 5
PRECIP AMOUNT 0.00 0.25 0.03 0.00
PRECIP DURATION 8 0
PRECIP BEGIN 7 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT (FT-AGL) 670 2330 430 8250
TRANSPORT WND (KTS) S 9 NW 23 W 8 W 15
VENT RATE (KT-FT) 6030 53590 3440 123750
MAX ADI EARLY 16 GEN POOR 24 FAIR 38 FAIR 95 GOOD
MAX ADI LATE 6 VERY POOR 54 GEN GOOD 5 VERY POOR 105 VERY GOOD
MAX LVORI EARLY 8 5 4 2
MAX LVORI LATE 8 5 4 2
MIN VSBY EARLY 2 FOG 0 FOG 9 9
MIN VSBY LATE 0 FOG 2 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 90 90 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 30. NORTH WINDS AROUND
5 MPH.
TUESDAY
SUNNY. HIGHS IN THE LOWER 50S. NORTH WINDS AROUND
5 MPH, BECOMING WEST IN THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE MID
30S. HIGHS IN THE MID 50S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS
AROUND 40. HIGHS IN THE LOWER 60S. NORTHWEST WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS AROUND
60. NORTH WINDS AROUND 5 MPH, BECOMING EAST AROUND 5 MPH IN THE
AFTERNOON.
MAZ018-190800-
WESTERN PLYMOUTH MA-
INCLUDING THE CITY OF BROCKTON
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY CLOUDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 100 50 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 42 (-2) 58 (+5) 33 51
RH % (24H TREND) 100 (0) 80 (+14) 86 37
20FT WND AM(MPH) S 5 LGT/VAR
20FT WND PM(MPH) LGT/VAR NW 8 G20 NW 8 G19 W 5
PRECIP AMOUNT 0.00 0.21 0.03 0.00
PRECIP DURATION 7 0
PRECIP BEGIN 8 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT (FT-AGL) 640 2200 370 7950
TRANSPORT WND (KTS) S 8 NW 24 W 8 W 15
VENT RATE (KT-FT) 5120 52800 2960 119250
MAX ADI EARLY 13 GEN POOR 27 FAIR 39 FAIR 89 GOOD
MAX ADI LATE 6 VERY POOR 52 GEN GOOD 7 POOR 105 VERY GOOD
MAX LVORI EARLY 9 4 4 2
MAX LVORI LATE 9 4 4 2
MIN VSBY EARLY 0 FOG 0 FOG 8 9
MIN VSBY LATE 0 FOG 2 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 90 90 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 30. NORTH WINDS AROUND
5 MPH.
TUESDAY
SUNNY. HIGHS AROUND 50. NORTH WINDS AROUND 5 MPH,
BECOMING NORTHEAST IN THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE MID
30S. HIGHS IN THE MID 50S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE LOWER 60S. NORTHWEST WINDS AROUND 5 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 40. NORTHWEST WINDS
AROUND 5 MPH.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 40. HIGHS
AROUND 60. WEST WINDS AROUND 5 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS
AROUND 5 MPH, BECOMING EAST AROUND 5 MPH IN THE AFTERNOON.
MAZ019-190800-
EASTERN PLYMOUTH MA-
INCLUDING THE CITY OF PLYMOUTH
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY CLOUDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 100 50 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 42 (-2) 58 (+7) 34 51
RH % (24H TREND) 100 (0) 74 (+6) 89 39
20FT WND AM(MPH) S 6 G18 W 5
20FT WND PM(MPH) LGT/VAR W 9 G22 NW 9 G21 NW 5
PRECIP AMOUNT 0.00 0.21 0.03 0.00
PRECIP DURATION 7 0
PRECIP BEGIN 8 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT (FT-AGL) 540 2010 330 7720
TRANSPORT WND (KTS) S 8 NW 26 W 11 W 14
VENT RATE (KT-FT) 4320 52260 3630 108080
MAX ADI EARLY 14 GEN POOR 20 GEN POOR 52 GEN GOOD 80 GOOD
MAX ADI LATE 6 VERY POOR 54 GEN GOOD 9 POOR 98 GOOD
MAX LVORI EARLY 9 4 4 2
MAX LVORI LATE 9 4 4 2
MIN VSBY EARLY 0 FOG 0 FOG 8 9
MIN VSBY LATE 0 FOG 2 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 90 90 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. NORTH WINDS
10 TO 15 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 40S. NORTH WINDS 10 TO
15 MPH, BECOMING EAST 5 TO 10 MPH IN THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE LOWER 50S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. WEST
WINDS 5 TO 10 MPH.
THURSDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS IN THE UPPER 50S. EAST WINDS 5 TO 10 MPH.
MAZ020-190800-
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF FALL RIVER AND NEW BEDFORD
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 100 40 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 43 (-4) 58 (+3) 34 52
RH % (24H TREND) 100 (0) 74 (+13) 89 36
20FT WND AM(MPH) S 6 G20 LGT/VAR
20FT WND PM(MPH) LGT/VAR NW 9 G20 NW 8 G19 W 6
PRECIP AMOUNT 0.00 0.18 0.02 0.00
PRECIP DURATION 7 0
PRECIP BEGIN 8 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT (FT-AGL) 530 2270 440 7360
TRANSPORT WND (KTS) S 7 NW 24 W 9 W 15
VENT RATE (KT-FT) 3710 54480 3960 110400
MAX ADI EARLY 15 GEN POOR 24 FAIR 40 FAIR 89 GOOD
MAX ADI LATE 7 POOR 52 GEN GOOD 8 POOR 104 VERY GOOD
MAX LVORI EARLY 9 5 4 1
MAX LVORI LATE 9 5 4 1
MIN VSBY EARLY 2 FOG 0 FOG 9 9
MIN VSBY LATE 0 FOG 2 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 90 90 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 30S. NORTHWEST
WINDS 5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS AROUND 50. NORTH WINDS 5 TO 10 MPH,
BECOMING SOUTHWEST IN THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE LOWER 50S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS AROUND 60. WEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT THROUGH FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE
LOWER 40S. HIGHS IN THE UPPER 50S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE UPPER 50S. NORTH WINDS
5 TO 10 MPH, BECOMING EAST IN THE AFTERNOON.
MAZ021-190800-
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITY OF MATTAPOISETT
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 10 100 50 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 43 (-3) 58 (+5) 34 51
RH % (24H TREND) 100 (0) 83 (+14) 86 42
20FT WND AM(MPH) S 6 G19 LGT/VAR
20FT WND PM(MPH) LGT/VAR W 9 G20 NW 8 G19 W 5
PRECIP AMOUNT 0.00 0.18 0.03 0.00
PRECIP DURATION 6 0
PRECIP BEGIN 8 AM CONTINUING
PRECIP END CONTINUING 8 PM
MIXING HGT (FT-AGL) 680 2140 400 7590
TRANSPORT WND (KTS) S 9 NW 24 W 8 W 14
VENT RATE (KT-FT) 6120 51360 3200 106260
MAX ADI EARLY 14 GEN POOR 28 FAIR 43 GEN GOOD 82 GOOD
MAX ADI LATE 6 VERY POOR 54 GEN GOOD 8 POOR 105 VERY GOOD
MAX LVORI EARLY 9 4 4 2
MAX LVORI LATE 9 4 4 2
MIN VSBY EARLY 2 FOG 0 FOG 8 9
MIN VSBY LATE 0 FOG 2 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 90 90 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 30S. NORTH WINDS
5 TO 10 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 40S. NORTH WINDS 5 TO
10 MPH, BECOMING EAST IN THE AFTERNOON.
TUESDAY NIGHT AND WEDNESDAY
MOSTLY CLOUDY. LOWS IN THE MID
30S. HIGHS IN THE LOWER 50S. SOUTHWEST WINDS 5 TO 10 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE UPPER
30S. HIGHS IN THE UPPER 50S. NORTHWEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. WEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY AND FRIDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE UPPER 50S. WEST WINDS 5 TO 10 MPH.
SATURDAY
PARTLY SUNNY. HIGHS IN THE MID 50S. NORTH WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
MAZ022-190800-
BARNSTABLE MA-
INCLUDING THE CITIES OF CHATHAM, FALMOUTH, AND PROVINCETOWN
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 50 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 42 (-3) 57 (+7) 36 51
RH % (24H TREND) 100 (0) 77 (+8) 96 42
20FT WND AM(MPH) S 6 G20 W 5
20FT WND PM(MPH) LGT/VAR W 10 G22 NW 9 G22 W 5
PRECIP AMOUNT 0.00 0.15 0.09 0.00
PRECIP DURATION 4 1
PRECIP BEGIN 9 AM CONTINUING
PRECIP END CONTINUING 11 PM
MIXING HGT (FT-AGL) 330 1940 500 6710
TRANSPORT WND (KTS) SW 5 NW 27 W 11 W 12
VENT RATE (KT-FT) 1650 52380 5500 80520
MAX ADI EARLY 14 GEN POOR 26 FAIR 52 GEN GOOD 77 GOOD
MAX ADI LATE 6 VERY POOR 51 GEN GOOD 19 GEN POOR 82 GOOD
MAX LVORI EARLY 9 4 4 2
MAX LVORI LATE 9 4 4 2
MIN VSBY EARLY 0 FOG 0 FOG 5 FOG 9
MIN VSBY LATE 0 FOG 1 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 90 90 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 30S. NORTH WINDS
10 TO 15 MPH.
TUESDAY
SUNNY. HIGHS IN THE MID 40S. NORTHEAST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS 5 TO 10 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND
50. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT THROUGH THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN
THE LOWER 40S. HIGHS IN THE MID 50S. NORTHWEST WINDS 5 TO 10 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE LOWER 40S.
HIGHS IN THE LOWER 50S. EAST WINDS 5 TO 10 MPH.
MAZ023-190800-
DUKES MA-
INCLUDING THE CITY OF VINEYARD HAVEN
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE NONE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 90 50 20
CHANCE OF THUNDER (%) 0 10 0 0
TEMP (24H TREND) 42 (-4) 57 (+5) 38 51
RH % (24H TREND) 100 (0) 74 (+5) 93 41
20FT WND AM(MPH) S 9 G21 W 7
20FT WND PM(MPH) LGT/VAR W 11 G21 NW 11 G20 W 7
PRECIP AMOUNT 0.00 0.13 0.04 0.00
PRECIP DURATION 4 1
PRECIP BEGIN 9 AM CONTINUING
PRECIP END CONTINUING 9 PM
MIXING HGT (FT-AGL) 570 1770 820 5090
TRANSPORT WND (KTS) S 9 NW 25 NW 12 W 14
VENT RATE (KT-FT) 5130 44250 9840 71260
MAX ADI EARLY 16 GEN POOR 29 FAIR 54 GEN GOOD 71 GOOD
MAX ADI LATE 7 POOR 48 GEN GOOD 20 GEN POOR 87 GOOD
MAX LVORI EARLY 7 4 3 1
MAX LVORI LATE 7 4 3 1
MIN VSBY EARLY 2 FOG 0 FOG 8 9
MIN VSBY LATE 0 FOG 1 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 90 90 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 30S. NORTHWEST
WINDS 10 TO 15 MPH.
TUESDAY
SUNNY. HIGHS IN THE UPPER 40S. NORTHEAST WINDS 10 TO
15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTHWEST
WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 50S. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT AND THURSDAY
PARTLY CLOUDY. LOWS IN THE LOWER
40S. HIGHS IN THE MID 50S. WEST WINDS 5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. WEST
WINDS 5 TO 10 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS IN THE MID 50S. EAST WINDS 5 TO 10 MPH.
MAZ024-190800-
NANTUCKET MA-
INCLUDING THE CITY OF NANTUCKET
409 PM EDT SAT APR 18 2026
TONIGHT SUN SUN NIGHT MON
CLOUD COVER MCLDY MCLDY PCLDY MCLEAR
PRECIP TYPE NONE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 80 60 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 43 (-2) 55 (+6) 40 50
RH % (24H TREND) 100 (0) 83 (+6) 100 50
20FT WND AM(MPH) S 9 G21 NW 7
20FT WND PM(MPH) LGT/VAR SW 13 G23 NW 11 G20 W 6
PRECIP AMOUNT 0.00 0.10 0.10 0.00
PRECIP DURATION 4 1
PRECIP BEGIN 10 AM CONTINUING
PRECIP END CONTINUING 12 AM
MIXING HGT (FT-AGL) 490 1280 1620 3550
TRANSPORT WND (KTS) S 10 NW 26 NW 16 W 13
VENT RATE (KT-FT) 4900 33280 25920 46150
MAX ADI EARLY 17 GEN POOR 31 FAIR 55 GEN GOOD 59 GEN GOOD
MAX ADI LATE 8 POOR 43 GEN GOOD 35 FAIR 66 GOOD
MAX LVORI EARLY 9 4 3 1
MAX LVORI LATE 9 4 3 1
MIN VSBY EARLY 1 FOG 0 FOG 6 FOG 9
MIN VSBY LATE 0 FOG 2 FOG 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 80 80 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 30S. NORTHWEST
WINDS 10 TO 15 MPH.
TUESDAY
MOSTLY SUNNY. HIGHS IN THE MID 40S. NORTH WINDS 10 TO
15 MPH.
TUESDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 30S. SOUTH
WINDS 10 TO 15 MPH.
WEDNESDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND
50. SOUTHWEST WINDS 10 TO 15 MPH.
WEDNESDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 40S. WEST
WINDS 5 TO 10 MPH.
THURSDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 50S. NORTHWEST WINDS
5 TO 10 MPH.
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. NORTHWEST
WINDS 5 TO 10 MPH.
FRIDAY THROUGH SATURDAY
PARTLY CLOUDY. LOWS IN THE MID 40S.
HIGHS IN THE LOWER 50S. EAST WINDS 5 TO 10 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES NEAR NORMAL. PRECIPITATION ABOVE NORMAL.
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