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Lexington Weather

Lexington, Massachusetts, USA

37°F
3/5/2026 3:09am 
  • Lexington Conditions: Clear
  • Temperature: 37.2°F / 2.9°CColder 0.7°F than last hour.
  • Dew Point: 31.3°FDecreased 0.3°Fsince last hour.
  • Relative Humidity: 79%Increased 1.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 30.16 inRising 0.02  inHg/hr Rising Slowly
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   
Southeast Middlesex County, MA - Winter Weather Advisory
 - SEE ALL NEARBY ALERTS -

Current Conditions [‒] Current Conditions [+]

37.2°F Colder than last hour.

2.9°C

 

 Chilly 

Clear

Clear

Overnight:  Lo 21 °F

Thursday:  Hi 37 °F

 

Dew Point:  31.3°F Decreased 0.3°F since last hour.

Humidity:  79% Increased 1.0% since last hour.

 

Air Quality Index: 36

 Good 

(Fine Particles)

Barometer:  30.16 in Rising 0.02  inHg/hr

1021 mb

 

Rain Rate:  0.00 in/hr

Rain Today:  0.00 in

Rain Wednesday 0.50 in

Visibility: 10 miles

Wind:

Now: Calm

Avg: Calm

Gusts: 0 mph

Calm wind


Expected Snow [‒] Expected Snow [+]

72-Hour Snowfall Forecast

Tap Click image to go to NWS winter weather page

For Lexington, 2" expected.

Forecast [‒] Forecast [+]

NWS Weather Forecast -
Overnight, Thursday, & Thursday Night through Wednesday

Issued by:
National Weather Service Boston / Norton, MA
Point Forecast Updated Thu Mar 5, 2026 1:53am EST



Overnight:

Mostly Cloudy

Lo 21 °F

Overnight: Mostly Cloudy

Mostly cloudy, with a low around 21. West wind around 2 mph.


Thursday:

Cloudy then Areas Of Fog

Hi 37 °F

Thursday: Cloudy then Areas Of Fog

Areas of fog and a chance of rain between noon and 5pm, then rain likely and areas of fog. Cloudy, with a high near 37. North wind 2 to 12 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.


Thursday Night:

Sleet

Lo 32 °F

Thursday Night: Sleet

Freezing rain and areas of fog before 7pm, then rain and areas of fog between 7pm and 8pm, then sleet and rain and areas of fog between 8pm and 1am, then sleet and areas of fog and rain and snow. Cloudy, with a low around 32. Northeast wind around 10 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.


Friday:

Sleet then Areas Of Fog

Hi 34 °F

Friday: Sleet then Areas Of Fog

Sleet and areas of fog and rain and snow before noon, then areas of fog and a chance of sleet and a chance of rain. Cloudy, with a high near 34. Northeast wind around 12 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New snow accumulation of less than half an inch possible.


Friday Night:

Slight Chance Light Rain then Slight Chance Light Snow

Lo 33 °F

Friday Night: Slight Chance Light Rain then Slight Chance Light Snow

A slight chance of rain before 7pm, then patchy fog between 7pm and 8pm, then a slight chance of rain between 3am and 4am, then a slight chance of snow. Cloudy, with a low around 33. East wind 1 to 9 mph. Chance of precipitation is 20%.


Saturday:

Slight Chance Light Snow then Cloudy

Hi 49 °F

Saturday: Slight Chance Light Snow then Cloudy

A slight chance of snow before 7am. Cloudy, with a high near 49. South wind 2 to 9 mph. Chance of precipitation is 20%.


Saturday Night:

Chance Light Rain

Lo 44 °F

Saturday Night: Chance Light Rain

A chance of rain. Cloudy, with a low around 44. Southwest wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.


Sunday:

Chance Light Rain then Partly Sunny

Hi 54 °F

Sunday: Chance Light Rain then Partly Sunny

A chance of rain before noon. Partly sunny, with a high near 54. West wind around 8 mph. Chance of precipitation is 40%.


Sunday Night:

Mostly Clear

Lo 36 °F

Sunday Night: Mostly Clear

Mostly clear, with a low around 36. West wind around 6 mph.


Monday:

Sunny

Hi 57 °F

Monday: Sunny

Sunny, with a high near 57. Southwest wind 6 to 9 mph.


Monday Night:

Mostly Clear

Lo 43 °F

Monday Night: Mostly Clear

Mostly clear, with a low around 43. Southwest wind around 8 mph.


Tuesday:

Sunny

Hi 65 °F

Tuesday: Sunny

Sunny, with a high near 65. Southwest wind around 8 mph.


Tuesday Night:

Mostly Cloudy then Slight Chance Light Rain

Lo 43 °F

Tuesday Night: Mostly Cloudy then Slight Chance Light Rain

A slight chance of rain after 3am. Mostly cloudy, with a low around 43. Southwest wind around 7 mph.


Wednesday:

Chance Light Rain

Hi 63 °F

Wednesday: Chance Light Rain

A chance of rain. Mostly cloudy, with a high near 63. Southwest wind 8 to 12 mph, with gusts as high as 23 mph.


NWS Hourly Forecast -
Today 3am through Fri 2pm

Issued by:
National Weather Service Boston / Norton, MA
Updated Thu Mar 5, 2026 1:53am EST

 
3:00am
Thu 3:00am: Mostly Cloudy
Mostly Cloudy
25°F
Dew Pt 25°F
Wind from W W 1 mph
Precip: 0%
 
4:00am
Thu 4:00am: Mostly Cloudy
Mostly Cloudy
24°F
Dew Pt 24°F
Wind from W W 1 mph
Precip: 0%
 
5:00am
Thu 5:00am: Mostly Cloudy
Mostly Cloudy
23°F
Dew Pt 23°F
Wind from NW NW 1 mph
Precip: 0%
 
6:00am
Thu 6:00am: Mostly Cloudy
Mostly Cloudy
23°F
Dew Pt 23°F
Wind from NW NW 2 mph
Precip: 0%
 
7:00am
Thu 7:00am: Mostly Cloudy
Mostly Cloudy
24°F
Dew Pt 24°F
Wind from NW NW 2 mph
Precip: 0%
 
8:00am
Thu 8:00am: Cloudy
Cloudy
28°F
Dew Pt 28°F
Wind Chill: 24°F
Wind from N N 3 mph
Precip: 0%
 
9:00am
Thu 9:00am: Cloudy
Cloudy
33°F
Dew Pt 30°F
Wind Chill: 28°F
Wind from N N 6 mph
Precip: 1%
 
10:00am
Thu 10:00am: Cloudy
Cloudy
37°F
Dew Pt 32°F
Wind Chill: 32°F
Wind from NE NE 7 mph
Precip: 2%
 
11:00am
Thu 11:00am: Cloudy
Cloudy
37°F
Dew Pt 32°F
Wind Chill: 32°F
Wind from NE NE 8 mph
Precip: 9%
 
12:00pm
Thu 12:00pm: Areas Of Fog
Areas Of Fog
37°F
Dew Pt 33°F
Wind Chill: 31°F
Wind from NE NE 8 mph
Precip: 16%
 
1:00pm
Thu 1:00pm: Areas Of Fog
Areas Of Fog
36°F
Dew Pt 32°F
Wind Chill: 29°F
Wind from NE NE 9 mph
Precip: 23%
 
2:00pm
Thu 2:00pm: Areas Of Fog
Areas Of Fog
35°F
Dew Pt 31°F
Wind Chill: 27°F
Wind from NE NE 10 mph
Precip: 29%
 
3:00pm
Thu 3:00pm: Areas Of Fog
Areas Of Fog
34°F
Dew Pt 31°F
Wind Chill: 26°F
Wind from E E 10 mph
Precip: 35%
 
4:00pm
Thu 4:00pm: Areas Of Fog
Areas Of Fog
33°F
Dew Pt 30°F
Wind Chill: 24°F
Wind from E E 12 mph
Precip: 41%
 
5:00pm
Thu 5:00pm: Light Rain Likely
Light Rain Likely
32°F
Dew Pt 31°F
Wind Chill: 24°F
Wind from E E 10 mph
Precip: 61%
Rain: 0.01 in
 
6:00pm
Thu 6:00pm: Freezing Rain
Freezing Rain
31°F
Dew Pt 30°F
Wind Chill: 22°F
Wind from NE NE 10 mph
Precip: 80%
Rain: 0.01 in
 
7:00pm
Thu 7:00pm: Light Rain
Light Rain
32°F
Dew Pt 30°F
Wind Chill: 23°F
Wind from NE NE 9 mph
Precip: 100%
Rain: 0.04 in
 
8:00pm
Thu 8:00pm: Sleet
Sleet
32°F
Dew Pt 30°F
Wind Chill: 24°F
Wind from NE NE 9 mph
Precip: 100%
Snowfall: 0.1 in
 
9:00pm
Thu 9:00pm: Sleet
Sleet
32°F
Dew Pt 30°F
Wind Chill: 25°F
Wind from NE NE 8 mph
Precip: 100%
Snowfall: 0.1 in
 
10:00pm
Thu 10:00pm: Sleet
Sleet
32°F
Dew Pt 30°F
Wind Chill: 25°F
Wind from NE NE 8 mph
Precip: 100%
Snowfall: 0.1 in
 
11:00pm
Thu 11:00pm: Sleet
Sleet
32°F
Dew Pt 31°F
Wind Chill: 25°F
Wind from NE NE 8 mph
Precip: 100%
Snowfall: 0.1 in
Fri
12:00am
Fri 12:00am: Sleet
Sleet
32°F
Dew Pt 30°F
Wind Chill: 25°F
Wind from NE NE 8 mph
Precip: 100%
Snowfall: 0.1 in
Fri
1:00am
Fri 1:00am: Sleet
Sleet
32°F
Dew Pt 30°F
Wind Chill: 25°F
Wind from NE NE 8 mph
Precip: 100%
Snowfall: 0.2 in
Fri
2:00am
Fri 2:00am: Sleet
Sleet
32°F
Dew Pt 30°F
Wind Chill: 24°F
Wind from NE NE 9 mph
Precip: 100%
Snowfall: 0.2 in
Fri
3:00am
Fri 3:00am: Sleet
Sleet
32°F
Dew Pt 30°F
Wind Chill: 24°F
Wind from NE NE 9 mph
Precip: 100%
Snowfall: 0.2 in
Fri
4:00am
Fri 4:00am: Sleet
Sleet
32°F
Dew Pt 30°F
Wind Chill: 24°F
Wind from NE NE 10 mph
Precip: 100%
Snowfall: 0.2 in
Fri
5:00am
Fri 5:00am: Sleet
Sleet
32°F
Dew Pt 30°F
Wind Chill: 24°F
Wind from NE NE 10 mph
Precip: 100%
Snowfall: 0.2 in
Fri
6:00am
Fri 6:00am: Sleet
Sleet
32°F
Dew Pt 29°F
Wind Chill: 23°F
Wind from NE NE 12 mph
Precip: 100%
Snowfall: 0.2 in
Fri
7:00am
Fri 7:00am: Sleet
Sleet
32°F
Dew Pt 30°F
Wind Chill: 23°F
Wind from NE NE 12 mph
Precip: 100%
Rain: 0.02 in
Fri
8:00am
Fri 8:00am: Sleet
Sleet
32°F
Dew Pt 29°F
Wind Chill: 23°F
Wind from NE NE 12 mph
Precip: 91%
Rain: 0.02 in
Fri
9:00am
Fri 9:00am: Sleet
Sleet
32°F
Dew Pt 29°F
Wind Chill: 24°F
Wind from NE NE 10 mph
Precip: 82%
Rain: 0.01 in
Fri
10:00am
Fri 10:00am: Sleet Likely
Sleet Likely
32°F
Dew Pt 29°F
Wind Chill: 24°F
Wind from NE NE 10 mph
Precip: 73%
Rain: 0.01 in
Fri
11:00am
Fri 11:00am: Sleet Likely
Sleet Likely
32°F
Dew Pt 30°F
Wind Chill: 24°F
Wind from NE NE 10 mph
Precip: 63%
Rain: 0.01 in
Fri
12:00pm
Fri 12:00pm: Areas Of Fog
Areas Of Fog
33°F
Dew Pt 30°F
Wind Chill: 25°F
Wind from NE NE 9 mph
Precip: 54%
Rain: 0.01 in
Fri
1:00pm
Fri 1:00pm: Areas Of Fog
Areas Of Fog
33°F
Dew Pt 31°F
Wind Chill: 25°F
Wind from NE NE 9 mph
Precip: 45%
Fri
2:00pm
Fri 2:00pm: Areas Of Fog
Areas Of Fog
33°F
Dew Pt 31°F
Wind Chill: 25°F
Wind from NE NE 9 mph
Precip: 40%




Radar [‒] Radar [+]

Satellite [‒] Satellite [+]

Satellite images courtesy Weather Underground / Intellicast.

GOES East  

Tap Click image to go to NESDIS

Weather Underground Visible

Tap Click image to go to Weather Underground

Weather Underground Infrared

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Precipitation [‒] Precipitation [+]

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:

0.00 in

Rain Today:

0.50 in

Wednesday:

0.71 in

March:

2.42 in

2026

13.5 in

Snow Depth:

50.7 in

Season Snow:

2 snow days in March

Daily Extremes [‒] Daily Extremes [+]

12:00am

38.1°F

High today:

2:53am

37.2°F

Low today:

3:12pm

53.1°F

High Wednesday:

5:55am

30.7°F

Low Wednesday:

2:53am

37.2°F

Low wind chill today:

5:55am

30.7°F

Low wind chill Wednesday:

12:49am

32.0°F

High dew pt today:

11:26am

38.8°F

High dew pt Wednesday:

 

None

Wind gust today:

10:22am

2 mph

Wind gust Wednesday:


Sun / Moon [‒] Sun / Moon [+]

Sun

First Light:

5:45am

Sunrise:

6:13am

Sunset:

5:39pm

Twilight ends:

6:08pm

Daylight length:

11 hours 26 minutes

Waning Gibbous, Moon age: 15 days, 20 hours, 9 minutes, 96%

Phase:

Waning Gibbous (96%)

Moon set:

6:57am

Moon rise:

8:19pm


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