Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
408 PM EST Sun Dec 7 2025
.DISCUSSION...
A strong cold front crosses the region tonight and is followed by
an area of high-pressure for Monday into Tuesday.
Minimum relative humidity values are between 30 and 45 percent,
with values up to 50 percent are possible for Cape Cod and the
Islands for both Monday and Tuesday.
.OUTLOOK...Wednesday through Saturday...
A weak passing system late Tuesday evening into Tuesday night may
bring a few snow showers to the region. Additional disturbances
will lead to unsettled conditions Wednesday through the start of
next weekend.
Southeast Middlesex MA-
Including the cities of Cambridge, Lexington, Newton, Waltham,
and Woburn
408 PM EST Sun Dec 7 2025
Tonight Mon Mon Night Tue
Cloud Cover Pcldy Mclear Mclear Pcldy
Precip Type None None None None
Chance Precip (%) 10 10
Chance of Thunder (%) 0 0 0 0
Temp (24h trend) 18 (-7) 25 (-12) 8 34
RH % (24h trend) 88 (-8) 41 (-19) 70 29
20ft Wnd AM(mph) NW 8 G18 Lgt/Var
20ft Wnd PM(mph) Lgt/Var NW 7 G17 Lgt/Var SW 5
Precip Amount 0.00 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 340 3520 380 2890
Transport Wnd (kts) SW 8 NW 23 NW 5 SW 16
Vent Rate (kt-ft) 2720 80960 1900 46240
Max ADI Early 8 Poor 58 Gen Good 5 Very Poor 26 Fair
Max ADI Late 17 Gen Poor 58 Gen Good 4 Very Poor 41 Gen Good
Max LVORI Early 4 2 3 2
Max LVORI Late 4 2 3 2
Min Vsby Early 9 9 9 9
Min Vsby Late 9 9 9 9
Sunshine Hours N/A N/A N/A N/A
CWR 0 0 0 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.TUESDAY NIGHT...Mostly cloudy with a chance of snow. Lows in the
mid 20s. Southwest winds around 5 mph.
.WEDNESDAY...Mostly cloudy with rain likely and a chance of snow.
Highs in the mid 40s. Southwest winds 5 to 10 mph.
.WEDNESDAY NIGHT...Mostly cloudy with rain likely. Lows in the
mid 30s. 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 THROUGH SATURDAY...Mostly cloudy with a chance of snow.
Lows around 20. Highs in the lower 30s. Northwest winds 5 to
10 mph.
.SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows around 17. Highs
in the upper 20s. West winds 5 to 10 mph.
Forecast And Data Provided By NOAA-NWS Boston / Norton, MA