Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
410 AM EST Sat Dec 27 2025
.DISCUSSION...
Low pressure passing to our southwest brings snowfall to southern
New England tonight into Saturday morning.Modest 5-10 mph
east/northeast winds tonight becoming north/northwest tomorrow
afternoon.
Minimum afternoon relative humidity values Saturday expected
between 45 and 65 percent across most of the region.
.OUTLOOK...Saturday night through Tuesday...
High pressure will then build in from the west for Sunday.
Another low pressure moving through the Great Lakes should bring
a wetting rainfall some time Sunday night into Monday night.
Possibility for some freezing rain as well.
Southeast Middlesex MA-
Including the cities of Cambridge, Lexington, Newton, Waltham,
and Woburn
410 AM EST Sat Dec 27 2025
Today Tonight Sun
Cloud Cover Pcldy Mclear Pcldy
Precip Type None None None
Chance Precip (%) 20 10
Chance of Thunder (%) 0 0 0
Temp (24h trend) 26 (+3) 14 (-4) 37
RH % (24h trend) 60 (+24) 88 (-4) 46
20ft Wnd AM(mph) N 6 Lgt/Var
20ft Wnd PM(mph) Lgt/Var Lgt/Var Lgt/Var
Precip Amount 0.00 0.00 0.00
Precip Duration
Precip Begin
Precip End
Mixing Hgt (ft-AGL) 1570 270 980
Transport Wnd (kts) N 11 NW 5 NW 8
Vent Rate (kt-ft) 17270 1350 7840
Max ADI Early 10 Poor 5 Very Poor 15 Gen Poor
Max ADI Late 21 Fair 5 Very Poor 12 Poor
Max LVORI Early 3 4 3
Max LVORI Late 3 4 3
Min Vsby Early 2 Fog 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...
.SUNDAY NIGHT...Rain with freezing rain likely. Lows in the upper
20s. Southwest winds around 5 mph.
.MONDAY...Rain. Highs in the upper 40s. South winds around 5 mph.
.MONDAY NIGHT...Partly cloudy with a chance of rain. Lows in the
mid 20s. West winds 5 to 10 mph.
.TUESDAY...Partly sunny. Colder. Highs around 30. West winds
10 to 15 mph.
.TUESDAY NIGHT...Partly cloudy. Lows in the lower 20s. West winds
5 to 10 mph.
.WEDNESDAY AND WEDNESDAY NIGHT...Mostly cloudy. Lows in the lower
20s. Highs in the mid 30s. West winds 5 to 10 mph.
.THURSDAY AND THURSDAY NIGHT...Partly cloudy. Lows around 16.
Highs in the lower 30s. West winds 5 to 10 mph.
.FRIDAY...Mostly sunny. Highs in the mid 20s. West winds 5 to
10 mph.
Forecast And Data Provided By NOAA-NWS Boston / Norton, MA