Lexington, Massachusetts, USA
35.1°F
1.7°C
Cold
Light rain, Overcast
Today: Hi 69 °F
Tonight: Lo 55 °F
Dew Point:
32.4°F
Humidity: 90%
UV Index: 0.0 None
Barometer:
mb
Rain Rate: 0.00 in/hr
Rain Today: 0.01 in
Rain Thursday: 0.00 in
Visibility: 8 miles
Wind:
Now: Calm
Avg: Calm
Gusts: 0 mph
Issued by:
National Weather Service Boston / Norton, MA
Point Forecast Updated Fri Nov 6, 2026 10:13am EST
- Widespread rain arrives today and continues tonight before tapering off early Saturday. Rain will be heavy at times across RI and southeast MA, including Cape Cod and the Islands.
- Unsettled weather continues into this weekend, then cooler and drier conditions arrive next week.
Rain
Hi 69 °F
Rain and a chance of thunderstorms and patchy fog before noon, then rain and patchy fog and a slight chance of thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a high near 69. South wind around 6 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Rain
Lo 55 °F
Rain and patchy fog and a slight chance of thunderstorms. Cloudy, with a low around 55. Southwest wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Light Rain Likely then Patchy Fog
Hi 62 °F
Rain likely and patchy fog before 10am, then patchy fog and a slight chance of rain. Partly sunny, with a high near 62. North wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Light Rain Likely
Lo 44 °F
Rain likely. Mostly cloudy, with a low around 44. North wind 5 to 9 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Light Rain Likely then Mostly Sunny
Hi 56 °F
Rain likely before noon. Mostly sunny, with a high near 56. West wind 7 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Mostly Clear
Lo 42 °F
Mostly clear, with a low around 42. West wind around 8 mph.
Mostly Sunny
Hi 57 °F
Mostly sunny, with a high near 57. West wind 8 to 12 mph, with gusts as high as 26 mph.
Mostly Clear
Lo 38 °F
Mostly clear, with a low around 38. West wind around 8 mph.
Mostly Sunny
Hi 61 °F
Mostly sunny, with a high near 61. West wind 6 to 10 mph, with gusts as high as 22 mph.
Mostly Clear
Lo 40 °F
Mostly clear, with a low around 40. West wind around 7 mph.
Sunny
Hi 58 °F
Sunny, with a high near 58. West wind 7 to 10 mph, with gusts as high as 21 mph.
Partly Cloudy
Lo 32 °F
Partly cloudy, with a low around 32. West wind around 6 mph.
Mostly Sunny
Hi 54 °F
Mostly sunny, with a high near 54. Northwest wind around 6 mph.
Partly Cloudy then Slight Chance Light Rain
Lo 33 °F
A slight chance of rain after 1am. Partly cloudy, with a low around 33. North wind around 6 mph.
Issued by:
National Weather Service Boston / Norton, MA
Updated Fri Nov 6, 2026 10:13am EST

SW 6 mph
S 6 mph
SE 6 mph
S 6 mph
S 5 mph
S 5 mph
S 3 mph
S 3 mph
S 3 mph
S 3 mph
S 3 mph
S 3 mph
SW 3 mph
S 3 mph
SW 3 mph
W 5 mph
W 5 mph
W 5 mph
NW 5 mph
N 5 mph
N 5 mph
N 5 mph
N 6 mph
N 6 mph
N 6 mph
N 6 mph
N 6 mph
N 6 mph
N 6 mph
N 5 mph
N 5 mph
NE 5 mph
N 5 mph
NE 5 mph
N 5 mph
N 5 mph
000
FXUS61 KBOX 061137
AFDBOX
Area Forecast Discussion
National Weather Service Boston/Norton MA
637 AM EST Fri Nov 6 2026
.WHAT HAS CHANGED...
Flood Watch continues for today and tonight across RI and
southeast MA. Guidance trended slightly farther north with
axis of heaviest rainfall.
Otherwise, overall forecast remains in good shape.
&&
.KEY MESSAGES...
- Widespread rain arrives today and continues tonight before
tapering off early Saturday. Rain will be heavy at times
across RI and southeast MA, including Cape Cod and the
Islands.
- Unsettled weather continues into this weekend, then cooler
and drier conditions arrive next week.
&&
.DISCUSSION...
KEY MESSAGE 1...Widespread rain arrives today and continues
tonight before tapering off early Saturday. Rain will be heavy
at times across RI and southeast MA, including Cape Cod and the
Islands.
Still trying to pinpoint the axis of heaviest rainfall. Some of
the latest guidance have shifted this axis slightly farther
north, owing to a slightly slower timing of a cold front. Still
have the greatest confidence in the heavier rainfall across RI
and southeast MA.
Temperatures remained well above normal for early November.
Expecting low temperatures this morning to be higher than our
normal high temperatures. A few records See the climate section
below for more details.
Still strong signals for a significant rainfall across our
region into Saturday. Thus, not much change to the overall
forecast. There was some lightning around midnight south of
Long Island, as well as a few flashes south of Cape Ann more
recently. A few thunderstorms remain a possibility. Thus far,
it has not been particularly widespread, but will keep a broader
mention of thunderstorms in the forecast due to the supporting
dynamics.
Rainfall totals were not changed substantially. Continue to have
high confidence for 1-3", with lower probabilities for isolated
4-5". This might result in urban/poor drainage flooding,
including the typical flood prone areas of New Bedford, Fall
River, Providence, Cranston, etc. Given the time of year, leaf
clogged drains will only exacerbate the urban/poor drainage
flood potential. Regarding small rivers and streams in RI and
southeast MA, 4+ inches would be required for minor flooding.
Hence, looking more like a poor drainage/urban flood potential.
Elsewhere across CT into northern MA, less rainfall is expected.
Thus, the flood threat is limited to RI and southeast MA. Given
the flood potential and uncertainty in the exact location of
heaviest rainfall, a Flood Watch continues to message the
threat for flooding.
Rainfall chances initially diminish Saturday morning with a
lull in the precipitation. Will see a resurgence in rainfall
chances Saturday afternoon into Saturday night as the colder
core of an upper level low moves overhead. The anomalously
cold air aloft paired with partial clearing at the surface
likely results in steep lapse rates and widespread showers. A
few showers may be capable of producing heavy rainfall and small
hail as strong cold air advection cools the mid levels of the
atmosphere.
KEY MESSAGE 2...Unsettled weather continues into this weekend,
then cooler and drier conditions arrive next week.
In the wake of today's system, surface low pressure develops in
the Gulf of Maine Saturday night into Sunday morning. This low
shifts off to the north and east through Sunday morning while
the core of an upper level trough steadily follows it from the
west. This core is expected to move over southern New England
over the same time period, and with it, much cooler temperatures
aloft. Temperatures at 500 mb dip to around -20C, with some
guidance falling to -25C. Closer to the surface, temperatures at
925 mb fall to around 2-4C and temperatures at 850 mb fall to
around 0C by early Sunday morning. Once the upper level trough
clears off to the north and east, 850 mb temperatures improve
slightly to just around 2C. This colder air aloft will be more
supportive of highs Sunday into the start of next week falling
back to the 50s with cool nights in the 30s and 40s.
NAEFS guidance indicates no significant deviations from the
climatological percentiles for temperatures or moisture for the
next week, though did note 90th percentile zonal winds aloft
Monday into Wednesday across much of the region. Persistent
westerly flow with notably breezy conditions Monday and Tuesday
is expected. Winds generally stay westerly through much of the
week, given the series of fronts expected to move through the
region. With the drier conditions (PWATS to around 0.5" and less
and dew points back in the 30s and 40s) at the surface, not
much in the way of precipitation is expected with these frontal
passages; just cooler air. Occasional cloudiness is expected at
most with passing moist air aloft.
&&
.AVIATION /12Z FRIDAY THROUGH TUESDAY/...
Forecaster Confidence Levels...
Low - less than 30 percent.
Moderate - 30 to 60 percent.
High - greater than 60 percent.
Today and Tonight...High confidence on trends, lower confidence
on exact timing and details.
Widespread LIFR/IFR in periods of rain, heavy at times across RI
and southeast MA terminals. Low risk of -TSRA, especially off
the south coast of RI/SE MA.
More of the same tonight. IFR conditions in periods of rain,
locally heavy at times across RI and southeast MA. As wave of
low pressure tracks along the south coast and then exits the
canal, winds will shift to the N-NE. Low risk of marginal LLWS
as low level southwest jet of 40-45 kt moves across RI and
southeast MA.
Saturday...High confidence on trends, lower confidence
on exact timing and details.
Slow improvement from W to E from IFR to mainly MVFR. Areas
towards SW New England could be VFR during the afternoon.
KBOS Terminal...High confidence in trends, moderate confidence
in exact timing and exact details. Brief lull this morning, but
SHRA returns towards 14Z. Visibilities may fall to IFR before
20z in any periods of heavier rainfall, but uncertainty remains
on exact timing.
KBDL Terminal...High confidence in trends, moderate confidence
in timing and exact details. Visibilities may fall lower than
2SM in any periods of heavier rainfall during the day. Ceilings
could flirt with LIFR, but confidence is just too low to include
in TAF for now.
Outlook /Saturday Night through Tuesday/...
Saturday Night: Mainly VFR, with areas IFR possible. Breezy.
Chance RA.
Sunday: Mainly VFR, with local MVFR possible. Breezy. Chance
RA.
Sunday Night through Tuesday: VFR. Breezy.
&&
.MARINE...
Forecaster Confidence Levels...
Low - less than 30 percent.
Moderate - 30 to 60 percent.
High - greater than 60 percent.
Through Saturday...High confidence on trends, lower confidence
on exact timing and details.
A cold front is still expected to stall across eastern New
England this afternoon. A low pressure traverses this front,
reaching eastern MA tonight, then moving east across the waters
Saturday. Main impacts will be from areas of moderate to heavy
rainfall with poor visibility at times. A few thunderstorms are
possible as well.
Rough seas expected across the southern coastal waters. Posted a
Small Craft Advisory for those waters. Seas subside some tonight
as winds diminish.
Outlook /Saturday Night through Tuesday/...
Saturday Night: Moderate risk for Small Craft Advisory winds
with gusts up to 30 kt. Areas of rough seas. Slight chance of
rain.
Sunday: Strong winds with gusts up to 30 kt. Rough seas up to
10 ft. Chance of rain.
Sunday Night: Moderate risk for Small Craft Advisory winds with
gusts up to 30 kt. Rough seas up to 9 ft.
Monday: Strong winds with areas of gusts up to 30 kt. Rough
seas up to 9 ft. Slight chance of rain.
Monday Night: Moderate risk for Small Craft Advisory winds with
local gusts up to 30 kt. Areas of rough seas.
Tuesday: Moderate risk for Small Craft Advisory winds with
gusts up to 30 kt. Areas of rough seas.
&&
.CLIMATE...
Persistent unseasonable warmth will challenge calendar-day record
highs and record high minimums across southern New England climate
sites.
Daily Record Lows to Watch:
Boston (BOS): Today 65F (2022)
Hartford/Bradley (BDL): Today 64F (2022)
Providence (PVD): Today 64F (2022)
Worcester (ORH): Today 62F (2024)
&&
.BOX WATCHES/WARNINGS/ADVISORIES...
CT...None.
MA...Flood Watch through Saturday morning for MAZ017>023.
RI...Flood Watch through Saturday morning for RIZ001>008.
MARINE...Small Craft Advisory until 1 AM EST Saturday for ANZ255.
Small Craft Advisory until 4 AM EST Saturday for ANZ256.
&&
$$
DISCUSSION...Belk/Hrencecin
AVIATION...Belk/Hrencecin
MARINE...Belk/Hrencecin
CLIMATE...
Radar images courtesy Weather Underground / Intellicast.
UV Index forecast high for today: 1 Low
Current (Measured): 0.0 None
Note: Rain measured automatically by weather station. Rain totals do not necessarily include melted frozen precipitation.
For more accurate, manually measured rain data, see the Local Precip Data page.
0.00 in
Rain Rate (/hr):
0.00 in
Rain Last 60 min:
0.01 in
Rain Today:
0.00 in
Thursday:
0.01 in
November:
1.26 in
2026
1:17pm
36.1°F
High today:
12:00am
25.2°F
Low today:
2:28pm
30.4°F
High Thursday:
7:11am
16.2°F
Low Thursday:
12:00am
25.2°F
Low wind chill today:
7:11am
16.2°F
Low wind chill Thursday:
1:17pm
33.3°F
High dew pt today:
11:56pm
20.7°F
High dew pt Thursday:
None
Wind gust today:
None
Wind gust Thursday:
No alerts/warnings active for Southeast Middlesex County.
No snow expected in Lexington.
First Light:
6:11am
Sunrise:
6:39am
Sunset:
5:19pm
Twilight ends:
5:47pm
Daylight length:
10 hours 39 minutes
Phase:
Waning Crescent (82%)
Moon set:
8:18am
Moon rise:
9:38pm