Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
409 AM EST Sun Dec 7 2025
.DISCUSSION...
Dry with a mix of sun and clouds today. A strong cold front will
cross the region late today into tonight followed by
high-pressure building in from the west on Monday.
Minimum afternoon relative humidity values today are between
50 and 65 percent. Monday, values are between 30 and 45 percent.
Values up to 50 percent are possible for Cape Cod and the
Islands.
.OUTLOOK...Tuesday through Friday...
Low-pressure system moves in from the west, and it may bring a
bit of snow and/or rain to the region by Tuesday/Tuesday night.
Pattern remains unsettled midweek through end of work week.
Southeast Middlesex MA-
Including the cities of Cambridge, Lexington, Newton, Waltham,
and Woburn
409 AM EST Sun Dec 7 2025
Today Tonight Mon
Cloud Cover Pcldy Pcldy Mclear
Precip Type None None None
Chance Precip (%) 10
Chance of Thunder (%) 0 0 0
Temp (24h trend) 37 (-1) 19 (-6) 25
RH % (24h trend) 60 (-6) 92 (-4) 40
20ft Wnd AM(mph) Lgt/Var NW 10 G21
20ft Wnd PM(mph) Lgt/Var Lgt/Var NW 7 G18
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 2310 270 4460
Transport Wnd (kts) NW 5 S 6 NW 25
Vent Rate (kt-ft) 11550 1620 111500
Max ADI Early 13 Gen Poor 7 Poor 14 Gen Poor
Max ADI Late 17 Gen Poor 14 Gen Poor 75 Good
Max LVORI Early 3 5 2
Max LVORI Late 3 5 2
Min Vsby Early 9 9 9
Min Vsby Late 9 9 9
Sunshine Hours N/A N/A N/A
CWR 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.MONDAY NIGHT...Mostly clear. Lows around 9. Northwest winds
around 5 mph.
.TUESDAY...Mostly sunny. Highs in the mid 30s. Southwest winds
around 5 mph.
.TUESDAY NIGHT...Mostly cloudy with a chance of snow. Not as
cold. Lows in the upper 20s. Southwest winds around 5 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy with a chance of
rain. Lows in the lower 30s. Highs in the lower 40s. Southwest
winds 5 to 10 mph.
.THURSDAY...Mostly sunny. Highs around 40. West winds 5 to
10 mph.
.THURSDAY NIGHT...Mostly cloudy. Lows in the mid 20s. West winds
around 5 mph.
.FRIDAY...Partly sunny with a chance of rain and snow. Highs in
the mid 30s. Northwest winds around 5 mph.
.FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A chance of snow.
Lows in the lower 20s. Highs around 30. Northwest winds 5 to
10 mph.
Forecast And Data Provided By NOAA-NWS Boston / Norton, MA