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Lexington Weather

Lexington, Massachusetts, USA

66°F
3/9/2026 12:52pm 
  • Lexington Conditions: Clear
  • Temperature: 65.7°F / 18.7°CWarmer 3.5°F than last hour.
  • Dew Point: 35.8°FDecreased 3.0°Fsince last hour.
  • Relative Humidity: 33%Decreased 9.0% since last hour.
  • Wind: Wind from SW SW 1 mph, 10-min avg: Calm, gust: 4 mph
  • Barometer: 29.96 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Current Conditions [‒] Current Conditions [+]

65.7°F Warmer than last hour.

18.7°C

 

 Comfortable 

Clear

Clear

Today:  Hi 66 °F

Tonight:  Lo 33 °F

 

Dew Point:  35.8°F Decreased 3.0°F since last hour.

Humidity:  33% Decreased 9.0% since last hour.

 

Air Quality Index: 38

 Good 

(Fine Particles)

Barometer:  29.96 in S

1015 mb

 

Rain Rate:  0.00 in/hr

Rain Today:  0.00 in

Rain Sunday:  0.00 in

Visibility: 10 miles

Wind:

Now: 1 mph

Avg: Calm

Gusts: 4 mph

Wind from SW

OTHER PERSONAL WEATHER STATIONS

REGIONAL CONDITIONS

Forecast [‒] Forecast [+]

NWS Weather Forecast -
Today, Tonight, & Tuesday through Sunday Night

Issued by:
 National Weather Service Boston / Norton, MA
Point Forecast Updated Mon Mar 9, 2026 2:49am EDT

Today:

Patchy Fog then Sunny

Hi 66 °F

Today: Patchy Fog then Sunny

Patchy fog before 8am. Sunny, with a high near 66. Southwest wind 5 to 9 mph, with gusts as high as 23 mph.

Tonight:

Clear then Patchy Fog

Lo 33 °F

Tonight: Clear then Patchy Fog

Patchy fog after 2am. Clear, with a low around 33. Southwest wind 5 to 8 mph.

Tuesday:

Patchy Fog then Sunny

Hi 71 °F

Tuesday: Patchy Fog then Sunny

Patchy fog before 8am. Sunny, with a high near 71. Southwest wind around 6 mph.

Tuesday Night:

Partly Cloudy

Lo 42 °F

Tuesday Night: Partly Cloudy

Partly cloudy, with a low around 42. Southwest wind around 6 mph.

Wednesday:

Chance Light Rain

Hi 56 °F

Wednesday: Chance Light Rain

A chance of rain after 10am. Mostly cloudy, with a high near 56. East wind 5 to 8 mph. Chance of precipitation is 30%.

Wednesday Night:

Chance Light Rain

Lo 49 °F

Wednesday Night: Chance Light Rain

A chance of rain. Mostly cloudy, with a low around 49. South wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

Thursday:

Light Rain Likely

Hi 57 °F

Thursday: Light Rain Likely

Rain likely. Mostly cloudy, with a high near 57. West wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

Thursday Night:

Chance Light Snow

Lo 27 °F

Thursday Night: Chance Light Snow

A chance of rain before 8pm, then a chance of snow between 8pm and 2am. Partly cloudy, with a low around 27. Northwest wind 8 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

Friday:

Partly Sunny then Slight Chance Light Snow

Hi 43 °F

Friday: Partly Sunny then Slight Chance Light Snow

A slight chance of snow between 4pm and 5pm, then a slight chance of rain and snow. Partly sunny, with a high near 43. Southwest wind 6 to 10 mph.

Friday Night:

Rain And Snow Likely

Lo 34 °F

Friday Night: Rain And Snow Likely

Rain and snow likely. Mostly cloudy, with a low around 34. Southwest wind around 10 mph. Chance of precipitation is 60%. New snow accumulation of less than half an inch possible.

Saturday:

Chance Light Snow

Hi 46 °F

Saturday: Chance Light Snow

A chance of snow before 11am, then a slight chance of rain and snow between 11am and 3pm. Partly sunny, with a high near 46. West wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible.

Saturday Night:

Partly Cloudy

Lo 28 °F

Saturday Night: Partly Cloudy

Partly cloudy, with a low around 28. West wind 5 to 9 mph.

Sunday:

Slight Chance Light Snow

Hi 47 °F

Sunday: Slight Chance Light Snow

A slight chance of snow between 8am and 2pm, then a chance of rain and snow. Mostly cloudy, with a high near 47. Southwest wind 5 to 9 mph. Chance of precipitation is 30%.

Sunday Night:

Rain And Snow Likely

Lo 37 °F

Sunday Night: Rain And Snow Likely

Rain and snow likely. Cloudy, with a low around 37. South wind around 10 mph, with gusts as high as 21 mph.

NWS Hourly Forecast -
Today 12pm through Tue 11pm

Issued by:
 National Weather Service Boston / Norton, MA
Updated Mon Mar 9, 2026 2:49am EDT

 
12:00pm
Mon 12:00pm: Sunny
Sunny
57°F
Dew Pt 41°F
Wind from S S 7 mph
Precip: 0%
 
1:00pm
Mon 1:00pm: Sunny
Sunny
60°F
Dew Pt 41°F
Wind from S S 8 mph
Precip: 0%
 
2:00pm
Mon 2:00pm: Sunny
Sunny
63°F
Dew Pt 43°F
Wind from SW SW 9 mph
Precip: 0%
 
3:00pm
Mon 3:00pm: Sunny
Sunny
66°F
Dew Pt 42°F
Wind from SW SW 9 mph
Precip: 0%
 
4:00pm
Mon 4:00pm: Sunny
Sunny
66°F
Dew Pt 40°F
Wind from SW SW 9 mph
Precip: 0%
 
5:00pm
Mon 5:00pm: Sunny
Sunny
63°F
Dew Pt 41°F
Wind from S S 8 mph
Precip: 0%
 
6:00pm
Mon 6:00pm: Clear
Clear
56°F
Dew Pt 41°F
Wind from S S 8 mph
Precip: 0%
 
7:00pm
Mon 7:00pm: Clear
Clear
48°F
Dew Pt 40°F
Wind Chill: 44°F
Wind from SW SW 8 mph
Precip: 0%
 
8:00pm
Mon 8:00pm: Clear
Clear
42°F
Dew Pt 39°F
Wind Chill: 38°F
Wind from SW SW 7 mph
Precip: 0%
 
9:00pm
Mon 9:00pm: Clear
Clear
41°F
Dew Pt 39°F
Wind Chill: 36°F
Wind from SW SW 7 mph
Precip: 0%
 
10:00pm
Mon 10:00pm: Clear
Clear
42°F
Dew Pt 38°F
Wind Chill: 38°F
Wind from SW SW 7 mph
Precip: 0%
 
11:00pm
Mon 11:00pm: Clear
Clear
44°F
Dew Pt 37°F
Wind Chill: 40°F
Wind from SW SW 7 mph
Precip: 0%
Tue
12:00am
Tue 12:00am: Clear
Clear
44°F
Dew Pt 37°F
Wind Chill: 40°F
Wind from SW SW 7 mph
Precip: 1%
Tue
1:00am
Tue 1:00am: Clear
Clear
42°F
Dew Pt 37°F
Wind Chill: 38°F
Wind from SW SW 6 mph
Precip: 1%
Tue
2:00am
Tue 2:00am: Patchy Fog
Patchy Fog
40°F
Dew Pt 37°F
Wind Chill: 36°F
Wind from SW SW 6 mph
Precip: 1%
Tue
3:00am
Tue 3:00am: Patchy Fog
Patchy Fog
38°F
Dew Pt 37°F
Wind Chill: 34°F
Wind from SW SW 6 mph
Precip: 1%
Tue
4:00am
Tue 4:00am: Patchy Fog
Patchy Fog
36°F
Dew Pt 36°F
Wind Chill: 31°F
Wind from SW SW 6 mph
Precip: 1%
Tue
5:00am
Tue 5:00am: Patchy Fog
Patchy Fog
35°F
Dew Pt 35°F
Wind Chill: 31°F
Wind from SW SW 5 mph
Precip: 1%
Tue
6:00am
Tue 6:00am: Patchy Fog
Patchy Fog
33°F
Dew Pt 33°F
Wind Chill: 29°F
Wind from SW SW 5 mph
Precip: 1%
Tue
7:00am
Tue 7:00am: Patchy Fog
Patchy Fog
33°F
Dew Pt 33°F
Wind Chill: 29°F
Wind from SW SW 5 mph
Precip: 1%
Tue
8:00am
Tue 8:00am: Sunny
Sunny
35°F
Dew Pt 35°F
Wind Chill: 31°F
Wind from SW SW 5 mph
Precip: 0%
Tue
9:00am
Tue 9:00am: Sunny
Sunny
39°F
Dew Pt 39°F
Wind Chill: 37°F
Wind from SW SW 3 mph
Precip: 0%
Tue
10:00am
Tue 10:00am: Sunny
Sunny
46°F
Dew Pt 41°F
Wind Chill: 45°F
Wind from SW SW 3 mph
Precip: 1%
Tue
11:00am
Tue 11:00am: Sunny
Sunny
53°F
Dew Pt 42°F
Wind from SW SW 5 mph
Precip: 1%
Tue
12:00pm
Tue 12:00pm: Sunny
Sunny
59°F
Dew Pt 43°F
Wind from SW SW 5 mph
Precip: 1%
Tue
1:00pm
Tue 1:00pm: Sunny
Sunny
64°F
Dew Pt 43°F
Wind from SW SW 6 mph
Precip: 0%
Tue
2:00pm
Tue 2:00pm: Sunny
Sunny
67°F
Dew Pt 45°F
Wind from S S 6 mph
Precip: 0%
Tue
3:00pm
Tue 3:00pm: Sunny
Sunny
70°F
Dew Pt 44°F
Wind from S S 6 mph
Precip: 0%
Tue
4:00pm
Tue 4:00pm: Sunny
Sunny
70°F
Dew Pt 45°F
Wind from SW SW 6 mph
Precip: 0%
Tue
5:00pm
Tue 5:00pm: Sunny
Sunny
67°F
Dew Pt 47°F
Wind from SW SW 6 mph
Precip: 0%
Tue
6:00pm
Tue 6:00pm: Mostly Clear
Mostly Clear
62°F
Dew Pt 44°F
Wind from SW SW 6 mph
Precip: 0%
Tue
7:00pm
Tue 7:00pm: Mostly Clear
Mostly Clear
56°F
Dew Pt 43°F
Wind from S S 6 mph
Precip: 0%
Tue
8:00pm
Tue 8:00pm: Mostly Clear
Mostly Clear
51°F
Dew Pt 43°F
Wind from S S 6 mph
Precip: 0%
Tue
9:00pm
Tue 9:00pm: Mostly Clear
Mostly Clear
50°F
Dew Pt 44°F
Wind Chill: 48°F
Wind from SW SW 5 mph
Precip: 0%
Tue
10:00pm
Tue 10:00pm: Mostly Clear
Mostly Clear
52°F
Dew Pt 44°F
Wind from SW SW 5 mph
Precip: 0%
Tue
11:00pm
Tue 11:00pm: Mostly Clear
Mostly Clear
53°F
Dew Pt 45°F
Wind from SW SW 5 mph
Precip: 0%

Radar [‒] Radar [+]

Radar images courtesy Weather Underground / Intellicast.

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

Tap Click image to go to Weather Underground

UV Forecast [‒] UV Forecast [+]

UV Index forecast from the Environmental Protection Agency

UV Index forecast high for today: 4    Medium 

Current (Estimated): 0   None

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:

0.00 in

Sunday:

1.45 in

March:

3.16 in

2026

5.5 in

Snow Depth:

50.9 in

Season Snow:

3 snow days in March

Daily Extremes [‒] Daily Extremes [+]

12:38pm

65.8°F

High today:

7:41am

41.4°F

Low today:

1:58pm

55.6°F

High Sunday:

11:38pm

44.4°F

Low Sunday:

3:56am

38.3°F

Low wind chill today:

12:49am

42.1°F

Low wind chill Sunday:

9:55am

43.7°F

High dew pt today:

12:19pm

52.7°F

High dew pt Sunday:

12:05pm

9 mph

Wind gust today:

12:49am

16 mph

Wind gust Sunday:

Alerts / Advisories [‒] Alerts / Advisories [+]

No alerts/warnings active for Southeast Middlesex County.

Expected Snow [‒] Expected Snow [+]

72-Hour Snowfall Forecast

Tap Click image to go to NWS winter weather page

No snow expected in Lexington.

Sun / Moon [‒] Sun / Moon [+]

Sun

First Light:

6:39am

Sunrise:

7:07am

Sunset:

6:44pm

Twilight ends:

7:12pm

Daylight length:

11 hours 38 minutes

Waning Gibbous, Moon age: 20 days, 4 hours, 52 minutes, 66%

Phase:

Waning Gibbous (66%)

Moon rise:

12:36am

Moon set:

9:36am

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