602
FNUS51 KBOX 192010
FWFBOX
FIRE WEATHER PLANNING FORECAST FOR SOUTHERN NEW ENGLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
410 PM EDT TUE MAY 19 2026
DISCUSSION
A FEW SHOWERS AND THUNDERSTORMS ARE STILL POSSIBLE THIS
AFTERNOON. SW WINDS CONTINUE, WITH GUSTS TO 25-30 MPH POSSIBLE,
SUSTAINED BETWEEN 10-20 MPH. MORE WIDESPREAD THUNDERSTORMS
POSSIBLE WEDNESDAY WITH ONE MORE DAY OF HOT TEMPERATURES. GUSTY
WINDS WILL ALSO BE MAKING A RETURN DURING THE DAY.
ON WEDNESDAY MINIMUM RELATIVE HUMIDITY WILL BE 40 TO 50 PERCENT,
EXCEPT 50 TO 65 PERCENT ALONG THE IMMEDIATE SOUTH COAST AND
CAPE/ISLANDS.
OUTLOOK...THURSDAY THROUGH MONDAY
TURNING COOLER AND DRIER THURSDAY AND FRIDAY, THEN AN APPROACHING
FRONTAL BOUNDARY FROM THE SOUTH WILL BRING AN INCREASING RISK FOR
SHOWERS NEXT WEEKEND BUT UNCERTAINTY IS HIGH.
MAZ015-200800-
SUFFOLK MA-
INCLUDING THE CITY OF BOSTON
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 30 40 20
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 69 (+5) 91 (-1) 54 68
RH % (24H TREND) 76 (-5) 37 (0) 60 27
20FT WND AM(MPH) SW 7 N 6
20FT WND PM(MPH) SW 7 G18 W 10 G18 W 7 G17 N 5
PRECIP AMOUNT 0.24 0.01 0.00 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 6 PM 2 PM
PRECIP END 8 PM 6 PM
MIXING HGT (FT-AGL) 450 5630 850 4590
TRANSPORT WND (KTS) SW 11 W 19 W 13 NW 9
VENT RATE (KT-FT) 4950 106970 11050 41310
MAX ADI EARLY 26 FAIR 69 GOOD 34 FAIR 59 GEN GOOD
MAX ADI LATE 9 POOR 80 GOOD 61 GOOD 56 GEN GOOD
MAX LVORI EARLY 3 1 2 2
MAX LVORI LATE 3 1 2 2
MIN VSBY EARLY 8 8 9 9
MIN VSBY LATE 8 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. SOUTHWEST WINDS
5 TO 10 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST
WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS AROUND 60. EAST WINDS 5 TO
10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. NORTHEAST WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS AROUND 70. NORTHEAST WINDS AROUND 5 MPH.
MAZ016-200800-
EASTERN NORFOLK MA-
INCLUDING THE CITY OF QUINCY
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 30 40 20 10
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 68 (+3) 92 (+1) 54 67
RH % (24H TREND) 73 (-9) 37 (-1) 59 30
20FT WND AM(MPH) SW 7 N 6
20FT WND PM(MPH) SW 7 G18 W 9 G18 W 7 G17 LGT/VAR
PRECIP AMOUNT 0.14 0.04 0.00 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 6 PM 2 PM
PRECIP END 8 PM 6 PM
MIXING HGT (FT-AGL) 440 6020 830 4590
TRANSPORT WND (KTS) SW 12 W 18 W 12 NW 9
VENT RATE (KT-FT) 5280 108360 9960 41310
MAX ADI EARLY 28 FAIR 83 GOOD 33 FAIR 58 GEN GOOD
MAX ADI LATE 10 POOR 83 GOOD 57 GEN GOOD 58 GEN GOOD
MAX LVORI EARLY 3 1 2 1
MAX LVORI LATE 3 1 2 1
MIN VSBY EARLY 9 8 9 9
MIN VSBY LATE 9 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 30 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS 5 TO 10 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST
WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS AROUND 60. EAST WINDS 5 TO
10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. NORTHEAST WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS AROUND 70. NORTHEAST WINDS AROUND 5 MPH.
MAZ013-200800-
WESTERN NORFOLK MA-
INCLUDING THE CITIES OF FOXBOROUGH AND NORWOOD
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 30 40 20 10
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 68 (+3) 92 (0) 53 68
RH % (24H TREND) 76 (-11) 41 (+3) 62 24
20FT WND AM(MPH) SW 6 N 5
20FT WND PM(MPH) SW 6 G17 W 9 G17 W 6 LGT/VAR
PRECIP AMOUNT 0.11 0.04 0.00 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 6 PM 2 PM
PRECIP END 8 PM 6 PM
MIXING HGT (FT-AGL) 450 6130 650 4740
TRANSPORT WND (KTS) SW 10 W 19 N 11 NW 10
VENT RATE (KT-FT) 4500 116470 7150 47400
MAX ADI EARLY 44 GEN GOOD 100 GOOD 52 GEN GOOD 60 GEN GOOD
MAX ADI LATE 6 VERY POOR 105 VERY GOOD38 FAIR 67 GOOD
MAX LVORI EARLY 4 1 3 1
MAX LVORI LATE 4 1 3 1
MIN VSBY EARLY 9 8 9 9
MIN VSBY LATE 9 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 20 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST AROUND
5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. EAST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 70S. NORTH WINDS AROUND 5 MPH.
MAZ014-200800-
SOUTHEAST MIDDLESEX MA-
INCLUDING THE CITY OF CAMBRIDGE
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 30 30 20
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 70 (+6) 91 (-3) 54 68
RH % (24H TREND) 71 (-13) 38 (+3) 53 25
20FT WND AM(MPH) SW 7 N 6
20FT WND PM(MPH) SW 6 W 10 G19 W 7 G18 N 5
PRECIP AMOUNT 0.24 0.01 0.00 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 6 PM 2 PM
PRECIP END 8 PM 6 PM
MIXING HGT (FT-AGL) 460 6060 760 5000
TRANSPORT WND (KTS) SW 11 W 22 W 13 NW 10
VENT RATE (KT-FT) 5060 133320 9880 50000
MAX ADI EARLY 53 GEN GOOD 93 GOOD 76 GOOD 61 GOOD
MAX ADI LATE 6 VERY POOR 105 VERY GOOD62 GOOD 68 GOOD
MAX LVORI EARLY 3 1 2 1
MAX LVORI LATE 3 1 2 1
MIN VSBY EARLY 8 8 9 9
MIN VSBY LATE 9 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 30 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS AROUND 50. SOUTHWEST WINDS
AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST
WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTHEAST WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 70S. NORTHEAST WINDS AROUND 5 MPH.
MAZ007-200800-
EASTERN ESSEX MA-
INCLUDING THE CITY OF GLOUCESTER
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 30 30 10
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 65 (+10) 91 (+1) 52 66
RH % (24H TREND) 87 (-13) 38 (+1) 67 28
20FT WND AM(MPH) SW 7 N 5
20FT WND PM(MPH) SW 6 G17 W 9 G18 W 6 G17 LGT/VAR
PRECIP AMOUNT 0.17 0.01 0.00 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 6 PM 2 PM
PRECIP END 8 PM 6 PM
MIXING HGT (FT-AGL) 440 5000 630 4410
TRANSPORT WND (KTS) SW 12 W 19 W 13 NW 8
VENT RATE (KT-FT) 5280 95000 8190 35280
MAX ADI EARLY 22 FAIR 61 GOOD 35 FAIR 49 GEN GOOD
MAX ADI LATE 7 POOR 69 GOOD 39 FAIR 45 GEN GOOD
MAX LVORI EARLY 4 1 2 2
MAX LVORI LATE 4 1 2 2
MIN VSBY EARLY 8 7 9 9
MIN VSBY LATE 7 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE UPPER 40S. WEST WINDS
AROUND 5 MPH, BECOMING NORTH AROUND 5 MPH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS 5 TO 10 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS AROUND 60. EAST WINDS 5 TO
10 MPH.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 50S. EAST
WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS AROUND 50. HIGHS
IN THE UPPER 60S. EAST WINDS AROUND 5 MPH.
MAZ006-200800-
WESTERN ESSEX MA-
INCLUDING THE CITY OF LAWRENCE
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 30 30 10
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 69 (+15) 90 (-3) 52 67
RH % (24H TREND) 73 (-24) 36 (+5) 55 23
20FT WND AM(MPH) W 6 NW 5
20FT WND PM(MPH) SW 5 W 9 G19 W 6 G17 LGT/VAR
PRECIP AMOUNT 0.10 0.00 0.00 0.00
PRECIP DURATION 0
PRECIP BEGIN 6 PM
PRECIP END 8 PM
MIXING HGT (FT-AGL) 460 6020 710 5140
TRANSPORT WND (KTS) SW 10 W 23 W 12 NW 11
VENT RATE (KT-FT) 4600 138460 8520 56540
MAX ADI EARLY 36 FAIR 105 VERY GOOD81 GOOD 67 GOOD
MAX ADI LATE 5 VERY POOR 105 VERY GOOD46 GEN GOOD 81 GOOD
MAX LVORI EARLY 3 1 2 1
MAX LVORI LATE 3 1 2 1
MIN VSBY EARLY 9 8 9 9
MIN VSBY LATE 9 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST AFTER MIDNIGHT.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST
WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 40S. HIGHS AROUND 60. EAST WINDS AROUND
5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. NORTHEAST WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE LOWER 70S. NORTHEAST WINDS AROUND 5 MPH.
MAZ005-200800-
CENTRAL MIDDLESEX MA-
INCLUDING THE CITIES OF FRAMINGHAM AND LOWELL
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 30 30 10
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 69 (+7) 91 (-2) 52 68
RH % (24H TREND) 73 (-20) 37 (+2) 59 21
20FT WND AM(MPH) W 6 N 5
20FT WND PM(MPH) SW 5 W 9 G19 W 6 G17 LGT/VAR
PRECIP AMOUNT 0.15 0.01 0.00 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 6 PM 1 PM
PRECIP END 8 PM 6 PM
MIXING HGT (FT-AGL) 460 5990 690 5580
TRANSPORT WND (KTS) SW 10 W 22 W 11 NW 11
VENT RATE (KT-FT) 4600 131780 7590 61380
MAX ADI EARLY 42 GEN GOOD 105 VERY GOOD77 GOOD 64 GOOD
MAX ADI LATE 5 VERY POOR 105 VERY GOOD50 GEN GOOD 86 GOOD
MAX LVORI EARLY 3 1 2 1
MAX LVORI LATE 3 1 2 1
MIN VSBY EARLY 8 9 9 9
MIN VSBY LATE 9 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 30 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70. NORTH WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST
WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS AROUND 50. HIGHS
IN THE LOWER 70S. NORTH WINDS AROUND 5 MPH.
MAZ012-200800-
SOUTHERN WORCESTER MA-
INCLUDING THE CITIES OF MILFORD AND WORCESTER
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS NONE NONE
CHANCE PRECIP (%) 30 40 20
CHANCE OF THUNDER (%) 20 0 0 0
TEMP (24H TREND) 68 (+2) 92 (-1) 52 69
RH % (24H TREND) 79 (-8) 40 (+6) 66 24
20FT WND AM(MPH) W 7 N 5
20FT WND PM(MPH) SW 5 G17 W 9 G20 NW 7 G18 LGT/VAR
PRECIP AMOUNT 0.10 0.02 0.00 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 6 PM 1 PM
PRECIP END 8 PM 6 PM
MIXING HGT (FT-AGL) 470 5950 570 4720
TRANSPORT WND (KTS) W 11 W 20 N 9 NW 9
VENT RATE (KT-FT) 5170 119000 5130 42480
MAX ADI EARLY 44 GEN GOOD 101 VERY GOOD48 GEN GOOD 54 GEN GOOD
MAX ADI LATE 7 POOR 99 GOOD 27 FAIR 61 GOOD
MAX LVORI EARLY 4 1 3 1
MAX LVORI LATE 4 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 20 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. NORTHEAST WINDS AROUND 5 MPH, BECOMING SOUTHEAST
AROUND 5 MPH IN THE AFTERNOON.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 40S. EAST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 70S. NORTH WINDS AROUND 5 MPH.
MAZ004-200800-
NORTHERN WORCESTER MA-
INCLUDING THE CITIES OF BARRE AND FITCHBURG
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 30 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 66 (+1) 88 (-2) 48 67
RH % (24H TREND) 81 (-6) 37 (+6) 66 23
20FT WND AM(MPH) W 7 G19 N 5
20FT WND PM(MPH) W 5 G17 W 11 G23 W 7 G20 NW 5
PRECIP AMOUNT 0.00 0.02 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 12 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 470 5160 580 5220
TRANSPORT WND (KTS) W 11 W 22 N 9 NW 11
VENT RATE (KT-FT) 5170 113520 5220 57420
MAX ADI EARLY 24 FAIR 88 GOOD 55 GEN GOOD 55 GEN GOOD
MAX ADI LATE 7 POOR 103 VERY GOOD30 FAIR 73 GOOD
MAX LVORI EARLY 4 1 3 1
MAX LVORI LATE 4 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 40S. HIGHS AROUND 60. EAST WINDS 5 TO
10 MPH.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 40S. HIGHS AROUND 60. EAST WINDS 5 TO
10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS AROUND 50. HIGHS
IN THE LOWER 70S. NORTHWEST WINDS AROUND 5 MPH.
MAZ026-200800-
NORTHERN MIDDLESEX MA-
INCLUDING THE CITY OF AYER
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 30 30 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 68 (+9) 90 (-2) 49 68
RH % (24H TREND) 71 (-19) 37 (+1) 59 25
20FT WND AM(MPH) W 6 G19 N 5
20FT WND PM(MPH) LGT/VAR W 9 G22 W 6 G19 LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 470 5360 600 5560
TRANSPORT WND (KTS) W 10 W 23 NW 11 NW 12
VENT RATE (KT-FT) 4700 123280 6600 66720
MAX ADI EARLY 33 FAIR 105 VERY GOOD72 GOOD 66 GOOD
MAX ADI LATE 5 VERY POOR 105 VERY GOOD42 GEN GOOD 94 GOOD
MAX LVORI EARLY 3 1 2 1
MAX LVORI LATE 3 1 2 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTHWEST
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70. NORTH WINDS AROUND
5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST
WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. EAST WINDS
AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE UPPER 40S.
HIGHS IN THE LOWER 70S. NORTH WINDS AROUND 5 MPH.
MAZ002-200800-
WESTERN FRANKLIN MA-
INCLUDING THE CITY OF CHARLEMONT
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 10 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 65 (+1) 84 (-5) 45 67
RH % (24H TREND) 76 (-14) 34 (-4) 69 23
20FT WND AM(MPH) W 7 G18 LGT/VAR
20FT WND PM(MPH) LGT/VAR W 9 G22 NW 7 G20 LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 11 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 460 4340 560 5080
TRANSPORT WND (KTS) W 9 W 23 N 8 N 11
VENT RATE (KT-FT) 4140 99820 4480 55880
MAX ADI EARLY 42 GEN GOOD 101 VERY GOOD50 GEN GOOD 55 GEN GOOD
MAX ADI LATE 6 VERY POOR 100 GOOD 14 GEN POOR 75 GOOD
MAX LVORI EARLY 3 1 3 1
MAX LVORI LATE 3 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
LOWER 40S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS AROUND 60.
EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. EAST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTHEAST WINDS AROUND 5 MPH, BECOMING NORTHWEST IN
THE AFTERNOON.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS AROUND 50. HIGHS
IN THE LOWER 70S. NORTHWEST WINDS AROUND 5 MPH.
MAZ003-200800-
EASTERN FRANKLIN MA-
INCLUDING THE CITIES OF GREENFIELD AND ORANGE
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 67 (+5) 88 (-4) 48 68
RH % (24H TREND) 81 (-9) 34 (+6) 69 24
20FT WND AM(MPH) SW 6 G17 N 6 G17
20FT WND PM(MPH) LGT/VAR W 9 G21 NW 6 G17 LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 11 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 420 4860 510 4960
TRANSPORT WND (KTS) SW 8 W 20 N 10 N 11
VENT RATE (KT-FT) 3360 97200 5100 54560
MAX ADI EARLY 21 FAIR 95 GOOD 50 GEN GOOD 56 GEN GOOD
MAX ADI LATE 4 VERY POOR 95 GOOD 17 GEN POOR 77 GOOD
MAX LVORI EARLY 4 1 3 1
MAX LVORI LATE 4 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLEAR. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS
AROUND 5 MPH, BECOMING SOUTHWEST IN THE AFTERNOON.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. SOUTHEAST
WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 40S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE LOWER 60S. EAST WINDS
5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND
70. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND 5 MPH.
MAZ008-200800-
WESTERN HAMPSHIRE MA-
INCLUDING THE CITY OF CHESTERFIELD
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 30
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 66 (+4) 86 (-4) 46 68
RH % (24H TREND) 76 (-11) 36 (-2) 71 26
20FT WND AM(MPH) W 7 G18 LGT/VAR
20FT WND PM(MPH) W 5 W 10 G23 NW 9 G22 LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 11 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 470 4460 600 4820
TRANSPORT WND (KTS) W 10 W 20 N 9 N 9
VENT RATE (KT-FT) 4700 89200 5400 43380
MAX ADI EARLY 42 GEN GOOD 89 GOOD 55 GEN GOOD 49 GEN GOOD
MAX ADI LATE 7 POOR 76 GOOD 17 GEN POOR 64 GOOD
MAX LVORI EARLY 3 1 3 1
MAX LVORI LATE 3 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE MID 40S. HIGHS IN THE UPPER 50S. SOUTHEAST
WINDS AROUND 5 MPH.
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
40S. SOUTHEAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS AROUND 60.
EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. EAST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTHEAST WINDS AROUND 5 MPH, BECOMING NORTHWEST IN
THE AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 70S. NORTHWEST WINDS AROUND 5 MPH.
MAZ010-200800-
EASTERN HAMPSHIRE MA-
INCLUDING THE CITIES OF AMHERST AND NORTHAMPTON
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 40
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 68 (+5) 90 (-3) 51 71
RH % (24H TREND) 81 (-6) 35 (-3) 69 25
20FT WND AM(MPH) SW 6 G17 N 6
20FT WND PM(MPH) SW 5 W 11 G21 NW 7 G19 LGT/VAR
PRECIP AMOUNT 0.00 0.03 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 11 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 410 5180 520 4860
TRANSPORT WND (KTS) SW 7 W 19 N 8 N 9
VENT RATE (KT-FT) 2870 98420 4160 43740
MAX ADI EARLY 33 FAIR 91 GOOD 59 GEN GOOD 49 GEN GOOD
MAX ADI LATE 4 VERY POOR 91 GOOD 20 GEN POOR 66 GOOD
MAX LVORI EARLY 4 1 3 1
MAX LVORI LATE 4 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 70S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT AND SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. SOUTHEAST
WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 40S. EAST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. NORTHEAST
WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 70S. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND 5 MPH.
MAZ009-200800-
WESTERN HAMPDEN MA-
INCLUDING THE CITY OF BLANDFORD
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 40 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 67 (+1) 88 (-3) 47 68
RH % (24H TREND) 71 (-13) 37 (0) 71 26
20FT WND AM(MPH) W 7 LGT/VAR
20FT WND PM(MPH) W 5 G17 NW 9 G21 NW 9 G21 LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 11 AM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 480 4620 580 4680
TRANSPORT WND (KTS) W 11 W 19 N 10 N 9
VENT RATE (KT-FT) 5280 87780 5800 42120
MAX ADI EARLY 41 GEN GOOD 105 VERY GOOD55 GEN GOOD 48 GEN GOOD
MAX ADI LATE 7 POOR 96 GOOD 19 GEN POOR 60 GEN GOOD
MAX LVORI EARLY 3 1 3 1
MAX LVORI LATE 3 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
50S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE MID
40S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. EAST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND
70. NORTHEAST WINDS AROUND 5 MPH, BECOMING NORTHWEST IN THE
AFTERNOON.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTHWEST
WINDS AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. NORTHWEST WINDS AROUND 5 MPH.
MAZ011-200800-
EASTERN HAMPDEN MA-
INCLUDING THE CITY OF SPRINGFIELD
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE SHOWERS NONE NONE
CHANCE PRECIP (%) 20 40 10
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 69 (+4) 92 (-1) 51 70
RH % (24H TREND) 78 (-19) 35 (-2) 69 23
20FT WND AM(MPH) SW 6 G17 N 6
20FT WND PM(MPH) SW 5 G18 W 10 G20 NW 8 G19 LGT/VAR
PRECIP AMOUNT 0.00 0.05 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 12 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 440 5420 520 4640
TRANSPORT WND (KTS) SW 8 W 18 N 8 N 9
VENT RATE (KT-FT) 3520 97560 4160 41760
MAX ADI EARLY 32 FAIR 85 GOOD 48 GEN GOOD 49 GEN GOOD
MAX ADI LATE 6 VERY POOR 88 GOOD 20 GEN POOR 54 GEN GOOD
MAX LVORI EARLY 4 1 3 1
MAX LVORI LATE 4 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 40S. EAST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE MID 60S. NORTHEAST
WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 70S. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. NORTH WINDS AROUND 5 MPH.
CTZ002-200800-
HARTFORD CT-
INCLUDING THE CITIES OF HARTFORD AND WINDSOR LOCKS
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 20 50 20 10
CHANCE OF THUNDER (%) 0 30 0 0
TEMP (24H TREND) 70 (+5) 93 (0) 51 71
RH % (24H TREND) 76 (-17) 38 (+4) 69 25
20FT WND AM(MPH) SW 6 N 5
20FT WND PM(MPH) SW 5 G18 W 9 G18 NW 7 G18 LGT/VAR
PRECIP AMOUNT 0.00 0.05 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 12 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 440 5690 590 4570
TRANSPORT WND (KTS) SW 9 W 17 N 10 N 8
VENT RATE (KT-FT) 3960 96730 5900 36560
MAX ADI EARLY 42 GEN GOOD 99 GOOD 45 GEN GOOD 51 GEN GOOD
MAX ADI LATE 5 VERY POOR 84 GOOD 20 GEN POOR 52 GEN GOOD
MAX LVORI EARLY 3 1 3 1
MAX LVORI LATE 3 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 7 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. NORTH
WINDS AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS AROUND 70. NORTHEAST WINDS AROUND
5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. COOLER. HIGHS
AROUND 60. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE UPPER
40S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE MID
60S. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. NORTHEAST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 70S. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE MID 50S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. NORTHWEST WINDS AROUND 5 MPH.
CTZ003-200800-
TOLLAND CT-
INCLUDING THE CITIES OF UNION AND VERNON
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR PCLDY PCLDY PCLDY
PRECIP TYPE NONE TSTMS NONE NONE
CHANCE PRECIP (%) 20 50 20 10
CHANCE OF THUNDER (%) 0 30 0 0
TEMP (24H TREND) 69 (+5) 93 (+2) 53 70
RH % (24H TREND) 76 (-24) 42 (+5) 69 28
20FT WND AM(MPH) SW 7 N 6
20FT WND PM(MPH) SW 6 G18 W 9 G20 NW 7 G18 LGT/VAR
PRECIP AMOUNT 0.00 0.06 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 450 5670 520 4150
TRANSPORT WND (KTS) SW 9 W 18 N 9 N 9
VENT RATE (KT-FT) 4050 102060 4680 37350
MAX ADI EARLY 27 FAIR 97 GOOD 41 GEN GOOD 47 GEN GOOD
MAX ADI LATE 6 VERY POOR 89 GOOD 18 GEN POOR 53 GEN GOOD
MAX LVORI EARLY 3 1 3 1
MAX LVORI LATE 3 1 3 1
MIN VSBY EARLY 9 9 9 9
MIN VSBY LATE 9 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 30 0 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTH WINDS
AROUND 5 MPH.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS AROUND 60.
SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 40S. EAST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 70S. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. NORTH WINDS
AROUND 5 MPH.
TUESDAY
PARTLY SUNNY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 70S. NORTHWEST WINDS AROUND 5 MPH.
CTZ004-200800-
WINDHAM CT-
INCLUDING THE CITIES OF PUTNAM AND WILLIMANTIC
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS SHOWERS NONE
CHANCE PRECIP (%) 20 50 20 10
CHANCE OF THUNDER (%) 0 30 0 0
TEMP (24H TREND) 68 (+5) 92 (+1) 53 69
RH % (24H TREND) 79 (-21) 41 (-1) 67 26
20FT WND AM(MPH) SW 6 N 5
20FT WND PM(MPH) SW 6 G17 W 9 G18 NW 6 G18 LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.00 0.00
PRECIP DURATION 1
PRECIP BEGIN 1 PM
PRECIP END 6 PM
MIXING HGT (FT-AGL) 440 5920 540 4460
TRANSPORT WND (KTS) SW 9 W 18 N 9 N 9
VENT RATE (KT-FT) 3960 106560 4860 40140
MAX ADI EARLY 25 FAIR 94 GOOD 38 FAIR 49 GEN GOOD
MAX ADI LATE 5 VERY POOR 92 GOOD 20 GEN POOR 57 GEN GOOD
MAX LVORI EARLY 4 1 3 1
MAX LVORI LATE 4 1 3 1
MIN VSBY EARLY 9 8 8 9
MIN VSBY LATE 9 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 30 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. NORTHWEST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 40S. EAST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 70S. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 70S. NORTHWEST WINDS AROUND 5 MPH.
RIZ001-200800-
NORTHWEST PROVIDENCE RI-
INCLUDING THE CITIES OF FOSTER AND SMITHFIELD
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 20 40 30 10
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 67 (+2) 92 (+2) 54 68
RH % (24H TREND) 76 (-8) 44 (0) 66 27
20FT WND AM(MPH) W 7 N 5
20FT WND PM(MPH) SW 6 G17 W 9 G18 NW 6 LGT/VAR
PRECIP AMOUNT 0.01 0.04 0.00 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 6 PM 1 PM
PRECIP END 8 PM 6 PM
MIXING HGT (FT-AGL) 450 6180 630 4760
TRANSPORT WND (KTS) W 10 W 19 N 9 NW 8
VENT RATE (KT-FT) 4500 117420 5670 38080
MAX ADI EARLY 37 FAIR 96 GOOD 44 GEN GOOD 51 GEN GOOD
MAX ADI LATE 9 POOR 97 GOOD 29 FAIR 59 GEN GOOD
MAX LVORI EARLY 4 1 3 1
MAX LVORI LATE 4 1 3 1
MIN VSBY EARLY 9 8 9 9
MIN VSBY LATE 9 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 20 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. WEST WINDS
AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 40S. EAST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST
WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 70S. NORTH WINDS AROUND 5 MPH.
RIZ002-200800-
SOUTHEAST PROVIDENCE RI-
INCLUDING THE CITY OF PROVIDENCE
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 20 40 30 10
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 67 (+3) 93 (+4) 54 70
RH % (24H TREND) 81 (-19) 41 (-4) 70 29
20FT WND AM(MPH) SW 7 N 6
20FT WND PM(MPH) SW 7 G17 W 9 G18 NW 6 LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.01 0.00
PRECIP DURATION 1 0
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 9 PM
MIXING HGT (FT-AGL) 450 6460 660 4790
TRANSPORT WND (KTS) SW 10 W 19 N 10 N 8
VENT RATE (KT-FT) 4500 122740 6600 38320
MAX ADI EARLY 35 FAIR 95 GOOD 48 GEN GOOD 54 GEN GOOD
MAX ADI LATE 7 POOR 96 GOOD 41 GEN GOOD 63 GOOD
MAX LVORI EARLY 4 1 3 1
MAX LVORI LATE 4 1 3 1
MIN VSBY EARLY 9 8 9 9
MIN VSBY LATE 9 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 20 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 40S. EAST WINDS AROUND 5 MPH.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. NORTHEAST
WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 70S. NORTHEAST WINDS AROUND 5 MPH.
RIZ003-200800-
WESTERN KENT RI-
INCLUDING THE CITIES OF COVENTRY AND WEST GREENWICH
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER MCLEAR MCLEAR PCLDY PCLDY
PRECIP TYPE NONE TSTMS TSTMS NONE
CHANCE PRECIP (%) 20 40 30 10
CHANCE OF THUNDER (%) 0 30 20 0
TEMP (24H TREND) 66 (+3) 90 (+1) 55 68
RH % (24H TREND) 78 (-9) 41 (-5) 68 31
20FT WND AM(MPH) W 7 N 6
20FT WND PM(MPH) SW 7 G18 W 9 G18 NW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.01 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 1 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 440 6020 550 4550
TRANSPORT WND (KTS) W 11 W 19 NW 11 N 8
VENT RATE (KT-FT) 4840 114380 6050 36400
MAX ADI EARLY 30 FAIR 72 GOOD 39 FAIR 47 GEN GOOD
MAX ADI LATE 9 POOR 92 GOOD 23 FAIR 54 GEN GOOD
MAX LVORI EARLY 4 1 3 1
MAX LVORI LATE 4 1 3 1
MIN VSBY EARLY 9 8 8 9
MIN VSBY LATE 9 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS AROUND 5 MPH IN THE EVENING, BECOMING
LIGHT AND VARIABLE.
SATURDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS AROUND 60.
SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 40S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. EAST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 70S. NORTHWEST WINDS AROUND 5 MPH.
RIZ004-200800-
EASTERN KENT RI-
INCLUDING THE CITIES OF EAST GREENWICH, WARWICK, AND WEST WARWICK
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS NONE
CHANCE PRECIP (%) 20 40 30 10
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 64 (+2) 92 (+6) 55 70
RH % (24H TREND) 81 (-12) 41 (-5) 71 27
20FT WND AM(MPH) SW 7 N 6
20FT WND PM(MPH) SW 8 G18 W 10 G17 NW 6 LGT/VAR
PRECIP AMOUNT 0.00 0.01 0.01 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 440 6040 620 4590
TRANSPORT WND (KTS) W 11 W 18 NW 11 N 9
VENT RATE (KT-FT) 4840 108720 6820 41310
MAX ADI EARLY 28 FAIR 70 GOOD 33 FAIR 53 GEN GOOD
MAX ADI LATE 9 POOR 88 GOOD 31 FAIR 62 GOOD
MAX LVORI EARLY 4 1 3 1
MAX LVORI LATE 4 1 3 1
MIN VSBY EARLY 9 8 9 9
MIN VSBY LATE 9 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 40S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. EAST WINDS 5 TO 10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTH WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 70S. NORTH WINDS AROUND 5 MPH.
RIZ005-200800-
BRISTOL RI-
INCLUDING THE CITY OF BRISTOL
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 20 30 30 10
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 63 (+3) 90 (+9) 55 69
RH % (24H TREND) 87 (-13) 45 (-10) 81 32
20FT WND AM(MPH) SW 7 N 7
20FT WND PM(MPH) SW 9 G18 SW 11 G18 NW 7 LGT/VAR
PRECIP AMOUNT 0.00 0.02 0.01 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 400 4690 590 4440
TRANSPORT WND (KTS) SW 11 W 15 NW 10 N 9
VENT RATE (KT-FT) 4400 70350 5900 39960
MAX ADI EARLY 20 GEN POOR 46 GEN GOOD 18 GEN POOR 53 GEN GOOD
MAX ADI LATE 9 POOR 57 GEN GOOD 27 FAIR 60 GEN GOOD
MAX LVORI EARLY 5 2 3 1
MAX LVORI LATE 5 2 3 1
MIN VSBY EARLY 9 7 9 9
MIN VSBY LATE 8 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 10 10 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND 60.
SOUTHEAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
UPPER 40S. EAST WINDS 5 TO 10 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE LOWER
60S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 50. HIGHS IN THE UPPER 60S. NORTH WINDS 5 TO
10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS AROUND 70. NORTH WINDS 5 TO 10 MPH.
RIZ006-200800-
WASHINGTON RI-
INCLUDING THE CITIES OF NARRAGANSETT AND WESTERLY
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 10 40 30 20
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 61 (+2) 89 (+10) 55 70
RH % (24H TREND) 90 (-10) 41 (-8) 87 29
20FT WND AM(MPH) SW 7 N 5
20FT WND PM(MPH) SW 7 G18 SW 9 G18 NW 5 LGT/VAR
PRECIP AMOUNT 0.00 0.04 0.05 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 420 4770 500 4770
TRANSPORT WND (KTS) W 12 W 16 NW 10 N 7
VENT RATE (KT-FT) 5040 76320 5000 33390
MAX ADI EARLY 21 FAIR 47 GEN GOOD 20 GEN POOR 47 GEN GOOD
MAX ADI LATE 9 POOR 58 GEN GOOD 17 GEN POOR 49 GEN GOOD
MAX LVORI EARLY 4 2 3 2
MAX LVORI LATE 4 2 3 2
MIN VSBY EARLY 8 6 FOG 8 9
MIN VSBY LATE 7 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 30 30 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTH AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTH WINDS 5 TO 10 MPH.
SATURDAY
CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER 50S.
EAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 10 TO
15 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 50. HIGHS IN THE UPPER 60S. NORTH WINDS 5 TO
10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 70S. SOUTHWEST WINDS AROUND 5 MPH.
RIZ007-200800-
NEWPORT RI-
INCLUDING THE CITY OF NEWPORT
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS SHOWERS
CHANCE PRECIP (%) 10 30 30 20
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 59 (0) 85 (+11) 55 69
RH % (24H TREND) 93 (-7) 45 (-13) 84 32
20FT WND AM(MPH) SW 9 N 8
20FT WND PM(MPH) SW 11 G19 SW 12 G20 W 7 E 5
PRECIP AMOUNT 0.00 0.03 0.04 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 400 1460 500 4450
TRANSPORT WND (KTS) SW 13 SW 14 NW 10 N 8
VENT RATE (KT-FT) 5200 20440 5000 35600
MAX ADI EARLY 21 FAIR 14 GEN POOR 14 GEN POOR 44 GEN GOOD
MAX ADI LATE 13 GEN POOR 21 FAIR 24 FAIR 51 GEN GOOD
MAX LVORI EARLY 5 2 3 2
MAX LVORI LATE 5 2 3 2
MIN VSBY EARLY 7 4 FOG 8 9
MIN VSBY LATE 4 FOG 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 30 30 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH
WINDS 5 TO 10 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
5 TO 10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND
60. SOUTHEAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 10 TO
15 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE UPPER 60S. NORTH
WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE UPPER 60S. SOUTHWEST WINDS 5 TO 10 MPH.
RIZ008-200800-
BLOCK ISLAND RI-
INCLUDING THE CITY OF NEW SHOREHAM
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE SHOWERS TSTMS SHOWERS
CHANCE PRECIP (%) 10 30 40 30
CHANCE OF THUNDER (%) 0 0 20 0
TEMP (24H TREND) 57 (+1) 73 (+9) 54 66
RH % (24H TREND) 96 (-4) 57 (-21) 93 45
20FT WND AM(MPH) SW 11 NE 8
20FT WND PM(MPH) SW 13 G22 SW 13 G20 W 8 E 6
PRECIP AMOUNT 0.00 0.02 0.08 0.00
PRECIP DURATION 1 2
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 370 430 320 1570
TRANSPORT WND (KTS) SW 18 SW 18 W 13 N 15
VENT RATE (KT-FT) 6660 7740 4160 23550
MAX ADI EARLY 24 FAIR 21 FAIR 17 GEN POOR 29 FAIR
MAX ADI LATE 22 FAIR 24 FAIR 16 GEN POOR 13 GEN POOR
MAX LVORI EARLY 5 4 4 3
MAX LVORI LATE 5 4 4 3
MIN VSBY EARLY 1 FOG 2 FOG 7 9
MIN VSBY LATE 3 FOG 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 30 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
5 TO 10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY AND SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS
IN THE LOWER 50S. HIGHS IN THE UPPER 50S. EAST WINDS 10 TO
15 MPH.
SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. HIGHS IN THE UPPER
50S. EAST WINDS 10 TO 15 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 60S. NORTHWEST
WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE MID 60S. SOUTHWEST WINDS AROUND 5 MPH.
MAZ017-200800-
NORTHERN BRISTOL MA-
INCLUDING THE CITY OF TAUNTON
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR PCLDY PCLDY
PRECIP TYPE TSTMS TSTMS TSTMS NONE
CHANCE PRECIP (%) 20 40 30 10
CHANCE OF THUNDER (%) 20 20 20 0
TEMP (24H TREND) 65 (+3) 91 (+2) 54 68
RH % (24H TREND) 78 (-15) 42 (0) 71 28
20FT WND AM(MPH) SW 6 N 5
20FT WND PM(MPH) SW 6 G18 W 8 G17 NW 5 LGT/VAR
PRECIP AMOUNT 0.01 0.05 0.01 0.00
PRECIP DURATION 0 1 0
PRECIP BEGIN 6 PM 2 PM CONTINUING
PRECIP END 8 PM CONTINUING 9 PM
MIXING HGT (FT-AGL) 430 6690 550 4830
TRANSPORT WND (KTS) SW 9 W 19 N 10 NW 8
VENT RATE (KT-FT) 3870 127110 5500 38640
MAX ADI EARLY 30 FAIR 97 GOOD 41 GEN GOOD 56 GEN GOOD
MAX ADI LATE 5 VERY POOR 104 VERY GOOD31 FAIR 62 GOOD
MAX LVORI EARLY 4 1 3 1
MAX LVORI LATE 4 1 3 1
MIN VSBY EARLY 9 7 9 9
MIN VSBY LATE 8 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 30 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTHWEST
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE UPPER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS IN THE
MID 40S. EAST WINDS AROUND 5 MPH.
SUNDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. EAST WINDS AROUND 5 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. NORTH
WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 70S. NORTHEAST WINDS AROUND 5 MPH.
MAZ018-200800-
WESTERN PLYMOUTH MA-
INCLUDING THE CITY OF BROCKTON
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS NONE
CHANCE PRECIP (%) 20 30 30 10
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 63 (+1) 91 (+3) 53 67
RH % (24H TREND) 81 (-9) 41 (0) 73 30
20FT WND AM(MPH) SW 6 N 5
20FT WND PM(MPH) SW 6 G19 W 8 G17 LGT/VAR LGT/VAR
PRECIP AMOUNT 0.03 0.06 0.02 0.00
PRECIP DURATION 0 1 0
PRECIP BEGIN 6 PM 2 PM CONTINUING
PRECIP END 8 PM CONTINUING 9 PM
MIXING HGT (FT-AGL) 440 6780 540 4550
TRANSPORT WND (KTS) SW 11 W 20 NW 10 NW 9
VENT RATE (KT-FT) 4840 135600 5400 40950
MAX ADI EARLY 28 FAIR 92 GOOD 36 FAIR 60 GEN GOOD
MAX ADI LATE 6 VERY POOR 105 VERY GOOD32 FAIR 62 GOOD
MAX LVORI EARLY 4 1 3 1
MAX LVORI LATE 4 1 3 1
MIN VSBY EARLY 9 7 9 9
MIN VSBY LATE 8 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 40 40 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE MID 40S. SOUTH WINDS
AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE MID 40S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT THROUGH SUNDAY NIGHT
MOSTLY CLOUDY WITH A
CHANCE OF SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S.
EAST WINDS AROUND 5 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
UPPER 60S. NORTHEAST WINDS AROUND 5 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS AROUND 50. HIGHS
IN THE LOWER 70S. NORTHEAST WINDS AROUND 5 MPH.
MAZ019-200800-
EASTERN PLYMOUTH MA-
INCLUDING THE CITY OF PLYMOUTH
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS TSTMS TSTMS NONE
CHANCE PRECIP (%) 20 30 30 10
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 62 (0) 90 (+6) 53 65
RH % (24H TREND) 87 (-6) 38 (-2) 78 34
20FT WND AM(MPH) SW 7 N 7
20FT WND PM(MPH) SW 8 G21 W 9 G18 W 5 E 5
PRECIP AMOUNT 0.08 0.05 0.02 0.00
PRECIP DURATION 0 1 0
PRECIP BEGIN 6 PM 2 PM CONTINUING
PRECIP END 9 PM CONTINUING 9 PM
MIXING HGT (FT-AGL) 420 4230 610 3790
TRANSPORT WND (KTS) SW 13 W 16 NW 12 N 10
VENT RATE (KT-FT) 5460 67680 7320 37900
MAX ADI EARLY 21 FAIR 40 FAIR 21 FAIR 48 GEN GOOD
MAX ADI LATE 11 POOR 49 GEN GOOD 32 FAIR 43 GEN GOOD
MAX LVORI EARLY 4 2 3 2
MAX LVORI LATE 4 2 3 2
MIN VSBY EARLY 8 7 9 9
MIN VSBY LATE 7 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 10 40 40 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTHWEST
WINDS 5 TO 10 MPH.
SATURDAY THROUGH SUNDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS AROUND 60. EAST WINDS 5 TO
10 MPH.
MONDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
MID 60S. NORTHEAST WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND 5 MPH.
MAZ020-200800-
SOUTHERN BRISTOL MA-
INCLUDING THE CITIES OF FALL RIVER AND NEW BEDFORD
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS NONE
CHANCE PRECIP (%) 10 30 30 20
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 59 (-1) 91 (+13) 55 69
RH % (24H TREND) 90 (-10) 44 (-7) 87 32
20FT WND AM(MPH) SW 7 G17 N 6
20FT WND PM(MPH) SW 9 G21 SW 10 G21 W 5 E 5
PRECIP AMOUNT 0.00 0.03 0.03 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 410 4870 540 4590
TRANSPORT WND (KTS) SW 12 W 17 NW 10 N 8
VENT RATE (KT-FT) 4920 82790 5400 36720
MAX ADI EARLY 26 FAIR 49 GEN GOOD 22 FAIR 55 GEN GOOD
MAX ADI LATE 7 POOR 56 GEN GOOD 29 FAIR 57 GEN GOOD
MAX LVORI EARLY 4 2 3 2
MAX LVORI LATE 4 2 3 2
MIN VSBY EARLY 7 5 FOG 8 9
MIN VSBY LATE 6 FOG 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 30 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH
WINDS 5 TO 10 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHWEST WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. SOUTHEAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 10 TO
15 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS AROUND 50. HIGHS IN THE UPPER 60S. NORTH WINDS 5 TO
10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE LOWER 70S. EAST WINDS 5 TO 10 MPH.
MAZ021-200800-
SOUTHERN PLYMOUTH MA-
INCLUDING THE CITY OF MATTAPOISETT
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY MCLDY
PRECIP TYPE NONE TSTMS TSTMS NONE
CHANCE PRECIP (%) 20 30 30 20
CHANCE OF THUNDER (%) 0 20 20 0
TEMP (24H TREND) 59 (0) 88 (+11) 54 68
RH % (24H TREND) 90 (-10) 43 (-11) 81 37
20FT WND AM(MPH) SW 6 N 6
20FT WND PM(MPH) SW 8 G22 SW 10 G21 W 5 LGT/VAR
PRECIP AMOUNT 0.00 0.03 0.03 0.00
PRECIP DURATION 1 1
PRECIP BEGIN 2 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 410 4270 520 4270
TRANSPORT WND (KTS) SW 12 SW 16 NW 10 N 9
VENT RATE (KT-FT) 4920 68320 5200 38430
MAX ADI EARLY 26 FAIR 42 GEN GOOD 18 GEN POOR 58 GEN GOOD
MAX ADI LATE 9 POOR 49 GEN GOOD 27 FAIR 55 GEN GOOD
MAX LVORI EARLY 4 2 3 2
MAX LVORI LATE 4 2 3 2
MIN VSBY EARLY 7 5 FOG 8 9
MIN VSBY LATE 5 FOG 8 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 20 20 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE UPPER 40S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST AROUND 5 MPH IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE UPPER 40S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE UPPER 40S. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO
10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE UPPER 40S. HIGHS IN THE UPPER 60S. NORTH
WINDS 5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS AROUND 70. NORTHEAST WINDS AROUND 5 MPH.
MAZ022-200800-
BARNSTABLE MA-
INCLUDING THE CITIES OF CHATHAM, FALMOUTH, AND PROVINCETOWN
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY MCLEAR PCLDY PCLDY
PRECIP TYPE NONE SHOWERS SHOWERS NONE
CHANCE PRECIP (%) 20 20 40 20
CHANCE OF THUNDER (%) 0 0 0 0
TEMP (24H TREND) 60 (+1) 81 (+7) 52 65
RH % (24H TREND) 93 (-7) 49 (-5) 87 37
20FT WND AM(MPH) SW 7 N 7
20FT WND PM(MPH) SW 9 G22 SW 10 G20 W 5 NE 5
PRECIP AMOUNT 0.00 0.01 0.10 0.00
PRECIP DURATION 0 1
PRECIP BEGIN 3 PM CONTINUING
PRECIP END CONTINUING 6 AM
MIXING HGT (FT-AGL) 420 950 440 3800
TRANSPORT WND (KTS) SW 15 SW 17 W 12 N 12
VENT RATE (KT-FT) 6300 16150 5280 45600
MAX ADI EARLY 25 FAIR 18 GEN POOR 12 POOR 35 FAIR
MAX ADI LATE 16 GEN POOR 17 GEN POOR 25 FAIR 40 FAIR
MAX LVORI EARLY 4 2 3 2
MAX LVORI LATE 4 2 3 2
MIN VSBY EARLY 6 FOG 2 FOG 8 8
MIN VSBY LATE 4 FOG 8 8 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 10 30 0
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTH
WINDS AROUND 5 MPH, BECOMING NORTHWEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
AROUND 5 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTHWEST WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. SOUTHEAST WINDS AROUND 5 MPH.
SATURDAY NIGHT AND SUNDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS AROUND 50. HIGHS IN THE LOWER 60S. EAST WINDS 5 TO 10 MPH.
SUNDAY NIGHT AND MONDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. NORTH WINDS
5 TO 10 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY. LOWS IN THE LOWER 50S.
HIGHS IN THE UPPER 60S. NORTHEAST WINDS AROUND 5 MPH.
MAZ023-200800-
DUKES MA-
INCLUDING THE CITY OF VINEYARD HAVEN
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS SHOWERS
CHANCE PRECIP (%) 10 20 40 30
CHANCE OF THUNDER (%) 0 0 20 0
TEMP (24H TREND) 57 (+1) 77 (+10) 54 67
RH % (24H TREND) 93 (-7) 48 (-20) 93 37
20FT WND AM(MPH) SW 11 G19 N 9
20FT WND PM(MPH) SW 13 G22 SW 13 G22 W 9 G17 E 7
PRECIP AMOUNT 0.00 0.00 0.10 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 6 AM
MIXING HGT (FT-AGL) 410 600 360 3520
TRANSPORT WND (KTS) SW 18 SW 17 W 14 N 9
VENT RATE (KT-FT) 7380 10200 5040 31680
MAX ADI EARLY 22 FAIR 18 GEN POOR 21 FAIR 39 FAIR
MAX ADI LATE 20 GEN POOR 17 GEN POOR 25 FAIR 27 FAIR
MAX LVORI EARLY 5 3 4 2
MAX LVORI LATE 5 3 4 2
MIN VSBY EARLY 0 FOG 1 FOG 8 9
MIN VSBY LATE 2 FOG 9 9 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 40 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS AROUND 50. SOUTH WINDS 5 TO
10 MPH, BECOMING WEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE MID 60S. NORTHEAST WINDS
5 TO 10 MPH, BECOMING SOUTHEAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS
AROUND 50. SOUTH WINDS 5 TO 10 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS IN THE
LOWER 60S. SOUTHEAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. EAST WINDS 10 TO 15 MPH.
SUNDAY AND SUNDAY NIGHT
MOSTLY CLOUDY WITH SHOWERS LIKELY.
LOWS IN THE LOWER 50S. HIGHS IN THE LOWER 60S. EAST WINDS 10 TO
15 MPH.
MONDAY AND MONDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. NORTH WINDS
5 TO 10 MPH.
TUESDAY
PARTLY SUNNY. HIGHS IN THE UPPER 60S. NORTH WINDS
AROUND 5 MPH, BECOMING EAST IN THE AFTERNOON.
MAZ024-200800-
NANTUCKET MA-
INCLUDING THE CITY OF NANTUCKET
410 PM EDT TUE MAY 19 2026
TONIGHT WED WED NIGHT THU
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE NONE NONE TSTMS SHOWERS
CHANCE PRECIP (%) 10 10 40 30
CHANCE OF THUNDER (%) 0 0 20 0
TEMP (24H TREND) 58 (+2) 71 (+5) 53 64
RH % (24H TREND) 93 (-7) 61 (-5) 90 46
20FT WND AM(MPH) SW 12 G19 N 10
20FT WND PM(MPH) SW 13 G23 SW 14 G22 W 10 G19 NE 9
PRECIP AMOUNT 0.00 0.00 0.05 0.00
PRECIP DURATION 2
PRECIP BEGIN 6 PM
PRECIP END 6 AM
MIXING HGT (FT-AGL) 440 540 370 2340
TRANSPORT WND (KTS) SW 20 SW 20 W 15 NE 12
VENT RATE (KT-FT) 8800 10800 5550 28080
MAX ADI EARLY 26 FAIR 25 FAIR 18 GEN POOR 36 FAIR
MAX ADI LATE 23 FAIR 19 GEN POOR 28 FAIR 29 FAIR
MAX LVORI EARLY 4 3 4 3
MAX LVORI LATE 4 3 4 3
MIN VSBY EARLY 0 FOG 1 FOG 7 7
MIN VSBY LATE 2 FOG 9 7 9
SUNSHINE HOURS N/A N/A N/A N/A
CWR 0 0 20 10
REMARKS...NONE.
FORECAST FOR DAYS 3 THROUGH 7
THURSDAY NIGHT
PARTLY CLOUDY. LOWS IN THE LOWER 50S. SOUTHEAST
WINDS AROUND 5 MPH, BECOMING WEST AFTER MIDNIGHT.
FRIDAY
MOSTLY SUNNY. HIGHS IN THE LOWER 60S. NORTHEAST WINDS
5 TO 10 MPH, BECOMING EAST IN THE AFTERNOON.
FRIDAY NIGHT
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. LOWS IN
THE LOWER 50S. SOUTH WINDS AROUND 5 MPH.
SATURDAY
MOSTLY CLOUDY WITH A CHANCE OF SHOWERS. HIGHS AROUND
60. SOUTHEAST WINDS 5 TO 10 MPH.
SATURDAY NIGHT
CLOUDY WITH SHOWERS LIKELY. LOWS IN THE LOWER
50S. EAST WINDS 10 TO 15 MPH.
SUNDAY THROUGH MONDAY
MOSTLY CLOUDY WITH SHOWERS LIKELY. LOWS
IN THE LOWER 50S. HIGHS IN THE LOWER 60S. NORTH WINDS 10 TO
15 MPH.
MONDAY NIGHT AND TUESDAY
MOSTLY CLOUDY WITH A CHANCE OF
SHOWERS. LOWS IN THE LOWER 50S. HIGHS IN THE MID 60S. NORTHEAST
WINDS 5 TO 10 MPH.
OUTLOOK 8 TO 14 DAYS
TEMPERATURES ABOVE NORMAL. PRECIPITATION BELOW NORMAL.
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