Lexington Weather

Current Conditions [‒] Current Conditions [+]

29.5°F Colder than last hour.

-1.4°C

Cold

Clear

This Afternoon: Hi 33 °F

Tonight: Lo 14 °F

Dew Point: 13.1°F Decreased 0.5°F since last hour.

Humidity: 50% Increased 6.0% since last hour.

Air Quality Index: 25

Good

(Fine Particles)

Barometer: 30.04 in Rising 0.02 inHg/hr

1017 mb

Snow Today: 0.0 in

Snow Monday: 0.0 in

February: 0.0 in

Winter: 29.5 in

Depth: 12.0 in

Visibility: 10 miles

Wind:

Now: Calm

Avg: Calm

Gusts: 1 mph

OTHER PERSONAL WEATHER STATIONS

REGIONAL CONDITIONS

NWS Weather Forecast -
This Afternoon, Tonight, & Wednesday through Monday Night

Issued by:
National Weather Service Boston / Norton, MA
Point Forecast Updated Tue Feb 3, 2026 1:55pm EST

This Afternoon:

Sunny

Hi 33 °F

Sunny, with a high near 33. Southwest wind around 2 mph.

Tonight:

Partly Cloudy

Lo 14 °F

Partly cloudy, with a low around 14. Southwest wind 2 to 6 mph.

Wednesday:

Mostly Sunny

Hi 29 °F

Mostly sunny, with a high near 29. West wind 6 to 9 mph.

Wednesday Night:

Partly Cloudy

Lo 8 °F

Partly cloudy, with a low around 8. West wind around 6 mph.

Thursday:

Sunny

Hi 28 °F

Sunny, with a high near 28. Northwest wind around 6 mph.

Thursday Night:

Partly Cloudy

Lo 5 °F

Partly cloudy, with a low around 5. Northwest wind around 5 mph.

Friday:

Partly Sunny

Hi 27 °F

Partly sunny, with a high near 27. West wind around 5 mph.

Friday Night:

Light Snow Likely

Lo 13 °F

Snow likely. Mostly cloudy, with a low around 13. Southwest wind around 6 mph. Chance of precipitation is 60%.

Saturday:

Light Snow Likely

Hi 23 °F

Snow likely. Partly sunny, with a high near 23. Northwest wind 7 to 15 mph, with gusts as high as 36 mph. Chance of precipitation is 60%.

Saturday Night:

Chance Light Snow then Partly Cloudy

Lo -1 °F

A chance of snow before 11pm. Partly cloudy, with a low around -1. Northwest wind 12 to 15 mph, with gusts as high as 32 mph. Chance of precipitation is 40%.

Sunday:

Mostly Sunny

Hi 14 °F

Mostly sunny, with a high near 14. Northwest wind around 12 mph, with gusts as high as 26 mph.

Sunday Night:

Partly Cloudy

Lo 0 °F

Partly cloudy, with a low around 0. Northwest wind around 9 mph, with gusts as high as 21 mph.

Monday:

Mostly Sunny

Hi 20 °F

Mostly sunny, with a high near 20. Northwest wind around 9 mph.

Monday Night:

Mostly Clear

Lo 4 °F

Mostly clear, with a low around 4. Northwest wind around 9 mph.

FULL FORECAST

NWS Hourly Forecast -
Tonight 6pm through Thu 5am

Issued by:
National Weather Service Boston / Norton, MA
Updated Tue Feb 3, 2026 1:55pm EST

6:00pm

Partly Cloudy

27°F
Dew Pt 17°F
Wind from SW

SW 2 mph
Precip: 0%

7:00pm

Partly Cloudy

25°F
Dew Pt 15°F
Wind Chill: 21°F
Wind from SW

SW 3 mph
Precip: 0%

8:00pm

Mostly Cloudy

22°F
Dew Pt 15°F
Wind Chill: 18°F
Wind from W

W 3 mph
Precip: 0%

9:00pm

Partly Cloudy

20°F
Dew Pt 13°F
Wind Chill: 15°F
Wind from W

W 3 mph
Precip: 0%

10:00pm

Partly Cloudy

19°F
Dew Pt 12°F
Wind Chill: 14°F
Wind from W

W 3 mph
Precip: 0%

11:00pm

Partly Cloudy

17°F
Dew Pt 11°F
Wind Chill: 11°F
Wind from W

W 3 mph
Precip: 0%

Wed
12:00am

Partly Cloudy

17°F
Dew Pt 11°F
Wind Chill: 11°F
Wind from W

W 3 mph
Precip: 0%

Wed
1:00am

Partly Cloudy

16°F
Dew Pt 10°F
Wind Chill: 9°F
Wind from W

W 5 mph
Precip: 0%

Wed
2:00am

Partly Cloudy

16°F
Dew Pt 11°F
Wind Chill: 9°F
Wind from W

W 5 mph
Precip: 0%

Wed
3:00am

Partly Cloudy

15°F
Dew Pt 10°F
Wind Chill: 8°F
Wind from W

W 5 mph
Precip: 0%

Wed
4:00am

Partly Cloudy

14°F
Dew Pt 10°F
Wind Chill: 7°F
Wind from W

W 5 mph
Precip: 0%

Wed
5:00am

Partly Cloudy

14°F
Dew Pt 10°F
Wind Chill: 6°F
Wind from W

W 6 mph
Precip: 0%

Wed
6:00am

Mostly Sunny

15°F
Dew Pt 10°F
Wind Chill: 6°F
Wind from W

W 6 mph
Precip: 0%

Wed
7:00am

Mostly Sunny

15°F
Dew Pt 11°F
Wind Chill: 6°F
Wind from W

W 6 mph
Precip: 0%

Wed
8:00am

Partly Sunny

16°F
Dew Pt 12°F
Wind Chill: 7°F
Wind from W

W 6 mph
Precip: 0%

Wed
9:00am

Sunny

20°F
Dew Pt 14°F
Wind Chill: 11°F
Wind from W

W 7 mph
Precip: 0%

Wed
10:00am

Sunny

22°F
Dew Pt 14°F
Wind Chill: 13°F
Wind from W

W 8 mph
Precip: 0%

Wed
11:00am

Sunny

24°F
Dew Pt 15°F
Wind Chill: 14°F
Wind from W

W 9 mph
Precip: 0%

Wed
12:00pm

Sunny

27°F
Dew Pt 16°F
Wind Chill: 18°F
Wind from W

W 9 mph
Precip: 0%

Wed
1:00pm

Sunny

28°F
Dew Pt 16°F
Wind Chill: 20°F
Wind from NW

NW 9 mph
Precip: 0%

Wed
2:00pm

Sunny

29°F
Dew Pt 17°F
Wind Chill: 20°F
Wind from NW

NW 9 mph
Precip: 0%

Wed
3:00pm

Sunny

29°F
Dew Pt 16°F
Wind Chill: 21°F
Wind from NW

NW 8 mph
Precip: 0%

Wed
4:00pm

Sunny

28°F
Dew Pt 16°F
Wind Chill: 21°F
Wind from NW

NW 7 mph
Precip: 0%

Wed
5:00pm

Sunny

27°F
Dew Pt 14°F
Wind Chill: 20°F
Wind from NW

NW 6 mph
Precip: 0%

Wed
6:00pm

Mostly Clear

24°F
Dew Pt 13°F
Wind Chill: 18°F
Wind from W

W 6 mph
Precip: 0%

Wed
7:00pm

Mostly Clear

21°F
Dew Pt 12°F
Wind Chill: 14°F
Wind from W

W 6 mph
Precip: 0%

Wed
8:00pm

Mostly Clear

20°F
Dew Pt 12°F
Wind Chill: 14°F
Wind from W

W 5 mph
Precip: 0%

Wed
9:00pm

Mostly Clear

19°F
Dew Pt 11°F
Wind Chill: 12°F
Wind from W

W 5 mph
Precip: 0%

Wed
10:00pm

Mostly Clear

17°F
Dew Pt 10°F
Wind Chill: 10°F
Wind from W

W 5 mph
Precip: 0%

Wed
11:00pm

Mostly Clear

16°F
Dew Pt 9°F
Wind Chill: 9°F
Wind from W

W 5 mph
Precip: 0%

Thu
12:00am

Partly Cloudy

15°F
Dew Pt 9°F
Wind Chill: 9°F
Wind from W

W 3 mph
Precip: 0%

Thu
1:00am

Partly Cloudy

14°F
Dew Pt 8°F
Wind Chill: 8°F
Wind from W

W 3 mph
Precip: 1%

Thu
2:00am

Partly Cloudy

13°F
Dew Pt 7°F
Wind Chill: 7°F
Wind from W

W 3 mph
Precip: 1%

Thu
3:00am

Partly Cloudy

12°F
Dew Pt 7°F
Wind Chill: 5°F
Wind from W

W 5 mph
Precip: 1%

Thu
4:00am

Partly Cloudy

12°F
Dew Pt 7°F
Wind Chill: 4°F
Wind from W

W 5 mph
Precip: 1%

Thu
5:00am

Partly Cloudy

9°F
Dew Pt 7°F
Wind Chill: 1°F
Wind from W

W 5 mph
Precip: 1%

VIEW ON NWS WEB SITE

FORECAST DISCUSSION

Area Forecast Discussion
for Boston / Norton, MA

        
000
FXUS61 KBOX 032302
AFDBOX

Area Forecast Discussion
National Weather Service Boston/Norton MA
602 PM EST Tue Feb 3 2026

.WHAT HAS CHANGED...
Confidence is increasing in dangerously cold wind chills, strong 
wind gusts and heavy freezing spray over the waters this weekend.

&&

.KEY MESSAGES...

- Mainly dry through Thu with very cold nights. Temperatures 
  trending colder Wed & Thu.

- More active Friday into this weekend. Chance for dangerously
  cold wind chills along with strong winds and heavy freezing 
  spray over the waters.

&&

.DISCUSSION...
KEY MESSAGE 1...Mainly dry through Thu with very cold nights. 
Temperatures trending colder Wed & Thu.

A quiet weather pattern continues through the end of the week. A
dry cold front crosses the region on Wednesday bringing slightly 
cooler temperatures to southern New England through the end of
the week before a colder shot of arctic air this weekend. High
temps Wednesday through Friday generally in the mid to upper 20s 
with much colder overnight lows generally in the single digits
across the region. A dry column will support mainly sunny skies 
through Friday afternoon. 

KEY MESSAGE 2...More active Friday into this weekend. Chance 
for dangerously cold wind chills along with strong winds and 
heavy freezing spray over the waters.

Southern New England likely to remain under the influence of a
weak high pressure through the end of this week. Expecting dry 
weather through most of Friday with temperatures about 10-15
degrees below normal.

Still expecting an arctic front to cross our region some time
Friday night into Saturday morning. This will provide another
surge of arctic air into this weekend. The core of this arctic
air mass presently looks to arrive for Sunday, although this
timing may change with later forecasts.

Overall, this front continued to look moisture-starved, with its
parent low pressure moving across northern New England. Not
anticipating much snowfall at this time, but it is 4 days away
which is plenty of time for things to change. Current thinking
is more about snow showers and possible squalls with the arctic
front itself, then transitioning to more of an ocean-effect
snowfall. Wind direction will be everything here, controlling no
only the amount of moisture available, but also the locations
most likely to see accumulating snowfall. NW winds generally
favor the coastal waters east of the Cape and islands. A subtle
shift of even 20 degrees more northerly, could back this
snowfall closer to the outer Cape and Nantucket. It will be
another day or two before we have high confidence in the wind 
directions and corresponding snowfall accumulations.

Thinking additional cold weather headlines will be needed at
some point this weekend, both on land and at sea. expecting
minimum wind chills of -15 to -30 across most of southern New
England some time from late Saturday into Sunday morning. Wind
Advisories may be needed for portions of the coast, as well as
the islands. Finally, across the coastal waters, there is a high
likelihood for a period of moderate to heavy freezing spray this
weekend into early next week.

&&

.AVIATION /00Z WEDNESDAY THROUGH SUNDAY/...
Forecaster Confidence Levels...

Low - less than 30 percent. 
Moderate - 30 to 60 percent. 
High - greater than 60 percent.

00Z TAF Update...No changes.

Tonight...High Confidence.

VFR. Light westerly winds becoming light and variable overnight.

Wednesday...High Confidence.

VFR. Sustained winds increase to 10 knots out of the northwest by 
late morning/early afternoon. Gusts to 20 kt.

Wednesday Night...High Confidence.

VFR. Light northwest winds.

KBOS Terminal...High confidence in TAF.

KBDL Terminal...High Confidence in TAF.

Outlook /Thursday through Sunday/...

Thursday through Friday: VFR. 

Friday Night: Mainly VFR, with local IFR possible. Breezy.
Chance SN.

Saturday: Mainly VFR, with local IFR possible. Strong winds
with local gusts up to 40 kt. Chance SN.

Saturday Night: VFR. Strong winds with gusts up to 40 kt.
Slight chance SN.

Sunday: VFR. Windy with gusts up to 35 kt.

&&

.MARINE...
Forecaster Confidence Levels...

Low - less than 30 percent. 
Moderate - 30 to 60 percent. 
High - greater than 60 percent.

Through Wednesday night...High confidence.

Quiet weather across the coastal waters by early February
standards through Thursday. Significant wave heights generally
1-2 feet. Light winds tonight increase out of the northeast 
tomorrow to around 15 knots. Some gusts to 20 knots possible at
times.

Outlook /Thursday through Sunday/...

Thursday through Friday: Winds less than 25 kt. 

Friday Night: Winds less than 25 kt. Seas locally approaching
5 ft. Snow likely. Local visibility 1 to 3 nm.

Saturday: Gale force winds with areas of gusts up to 45 kt. 
Rough seas up to 14 ft. Freezing spray, snow likely. Local 
visibility 1 nm or less.

Saturday Night: Gale force winds with gusts up to 45 kt. Rough 
seas up to 16 ft. Freezing spray, chance of snow. Local 
visibility 1 to 3 nm.

Sunday: Strong winds with gusts up to 35 kt. Rough seas up to
15 ft. Freezing spray, slight chance of snow.

&&

.BOX WATCHES/WARNINGS/ADVISORIES...
CT...None.
MA...None.
RI...None.
MARINE...None.

&&

$$

DISCUSSION...Belk/RM
AVIATION...KJC/RM
MARINE...Belk/RM

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