Fire Weather Planning Forecast for Southern New England
National Weather Service Boston/Norton MA
407 PM EDT Sat Jun 6 2026
.DISCUSSION...
Hot weather will continue on today with high temperatures again
in the 80s with a few 90s in spots. Breezy SW winds this
afternoon with gusts 20-30 mph. Min relative humidity values drop
into the 30 percent range. Isolated shower or storm possible
after 2pm...But the main risk for scattered showers and
thunderstorms will be after 5 or 6 pm until about midnight. A few
of the storms may become severe and produce strong to perhaps
damaging wind gusts. Greatest risk for this will be north and
west of I95.
.OUTLOOK...Sunday through Wednesday..
Another round of scattered showers and a few thunderstorms are
expected Sunday afternoon with areal coverage being the greatest
across eastern Massachusetts. Higher relative humidity with min
values 40-55 percent.
Dry and cooler weather follows Monday with RHs dropping into the
upper 20 to 35 percent range. While dry weather is expected to
continue Tuesday and Wednesday very warm to hot temperatures will
return to the region.
Southeast Middlesex MA-
Including the city of Cambridge
407 PM EDT Sat Jun 6 2026
Tonight Sun Sun Night Mon
Cloud Cover Pcldy Pcldy Pcldy Mclear
Precip Type Tstms Tstms Showers None
Chance Precip (%) 60 50 40
Chance of Thunder (%) 50 20 0 0
Temp (24h trend) 65 (+2) 81 (-7) 50 73
RH % (24h trend) 87 (+12) 41 (+6) 86 34
20ft Wnd AM(mph) W 10 G19 N 8 G17
20ft Wnd PM(mph) SW 7 G17 NW 11 G22 NW 7 G20 NE 5 G17
Precip Amount 0.04 0.04 0.01 0.00
Precip Duration 2 1 2
Precip Begin 8 PM 2 PM Continuing
Precip End 2 AM Continuing 12 AM
Mixing Hgt (ft-AGL) 480 6800 870 6490
Transport Wnd (kts) W 12 W 18 NW 17 N 15
Vent Rate (kt-ft) 5760 122400 14790 97350
Max ADI Early 44 Gen Good 85 Good 48 Gen Good 105 Very Good
Max ADI Late 17 Gen Poor 90 Good 21 Fair 105 Very Good
Max LVORI Early 4 1 4 1
Max LVORI Late 4 1 4 1
Min Vsby Early 10 10 10 9
Min Vsby Late 10 10 10 9
Sunshine Hours N/A N/A N/A N/A
CWR 20 20 20 0
Remarks...None.
.FORECAST FOR DAYS 3 THROUGH 7...
.MONDAY NIGHT...Mostly clear. Lows in the upper 50s. South winds
around 5 mph, becoming west after midnight.
.TUESDAY AND TUESDAY NIGHT...Mostly clear. Lows 57 to 63. Highs
in the mid 80s. Southwest winds around 5 mph.
.WEDNESDAY...Mostly sunny. Highs in the lower 90s. Southwest
winds 5 to 10 mph.
.WEDNESDAY NIGHT AND THURSDAY...Mostly cloudy. A chance of
showers. Lows in the upper 60s. Highs in the lower 90s. Southwest
winds 5 to 10 mph.
.THURSDAY NIGHT...Partly cloudy with a chance of showers. Lows in
the upper 60s. Southwest winds around 5 mph.
.FRIDAY THROUGH SATURDAY...Partly cloudy. Lows in the upper 60s.
Highs in the mid 90s. Southwest winds around 5 mph.