Old Res Weather

Lexington, Massachusetts, USA

35°F
2/16/2025 7:17pm 
  • Lexington Conditions: Overcast
  • Temperature: 35.1°F / 1.7°CColder 0.1°F than last hour.
  • Dew Point: 32.4°FDecreased 0.1°Fsince last hour.
  • Relative Humidity: 90
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.00 inFalling 0.05  inHg/hr Falling Slowly
  • Visibility: 10 miles
  • Rain Today: 0.01 in
  • UV Index: $VPuv None
  •   

Current Conditions [‒] Current Conditions [+]

35.1°F Colder than last hour.

1.7°C

 

 Cold 

Overcast

Overcast

This Afternoon:  Hi 42 °F

Tonight:  Lo 32 °F

 

Dew Point:  32.4°F Decreased 0.1°F since last hour.

Humidity:  90%  

 

UV Index:  0.0   None

 

Air Quality Index: 43

 Good 

(Course Particles)

Barometer:  29.00 in Falling 0.05  inHg/hr

982 mb

 

Rain Rate:  0.00 in/hr

Rain Today:  0.01 in

Rain Wednesday 0.00 in

Visibility: 10 miles

Wind:

Now: Calm

Avg: Calm

Gusts: 0 mph

Calm wind


Forecast [‒] Forecast [+]

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

Issued by:
National Weather Service Boston / Norton, MA
Point Forecast Updated Thu Mar 19, 2026 1:11pm EDT


This Afternoon:

Partly Sunny

Hi 42 °F

This Afternoon: Partly Sunny

Partly sunny, with a high near 42. South wind around 7 mph.


Tonight:

Partly Cloudy

Lo 32 °F

Tonight: Partly Cloudy

Partly cloudy, with a low around 32. Southwest wind around 7 mph.


Friday:

Mostly Sunny

Hi 54 °F

Friday: Mostly Sunny

Mostly sunny, with a high near 54. Southwest wind 5 to 12 mph, with gusts as high as 23 mph. New rainfall amounts less than a tenth of an inch possible.


Friday Night:

Light Rain

Lo 41 °F

Friday Night: Light Rain

Rain. Mostly cloudy, with a low around 41. Southwest wind 7 to 10 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.


Saturday:

Chance Light Rain then Mostly Sunny

Hi 54 °F

Saturday: Chance Light Rain then Mostly Sunny

A chance of rain before 8am. Mostly sunny, with a high near 54. Northwest wind around 9 mph. Chance of precipitation is 30%.


Saturday Night:

Mostly Cloudy

Lo 36 °F

Saturday Night: Mostly Cloudy

Mostly cloudy, with a low around 36. West wind around 8 mph.


Sunday:

Chance Light Rain

Hi 52 °F

Sunday: Chance Light Rain

A chance of rain after 8am. Mostly cloudy, with a high near 52. South wind around 8 mph. Chance of precipitation is 40%.


Sunday Night:

Light Rain Likely

Lo 38 °F

Sunday Night: Light Rain Likely

Rain likely. Mostly cloudy, with a low around 38. East wind around 8 mph. Chance of precipitation is 70%.


Monday:

Light Rain Likely

Hi 46 °F

Monday: Light Rain Likely

Rain likely before 4pm. Mostly cloudy, with a high near 46. North wind around 10 mph. Chance of precipitation is 60%.


Monday Night:

Partly Cloudy

Lo 27 °F

Monday Night: Partly Cloudy

Partly cloudy, with a low around 27. Northwest wind around 9 mph.


Tuesday:

Mostly Sunny

Hi 42 °F

Tuesday: Mostly Sunny

Mostly sunny, with a high near 42. Northwest wind around 8 mph.


Tuesday Night:

Partly Cloudy then Slight Chance Light Snow

Lo 29 °F

Tuesday Night: Partly Cloudy then Slight Chance Light Snow

A slight chance of snow after 4am. Partly cloudy, with a low around 29. Southwest wind around 7 mph.


Wednesday:

Slight Chance Light Snow then Chance Light Rain

Hi 46 °F

Wednesday: Slight Chance Light Snow then Chance Light Rain

A slight chance of snow before 10am, then a chance of rain. Mostly sunny, with a high near 46. Southwest wind 7 to 10 mph. Chance of precipitation is 30%.


Wednesday Night:

Slight Chance Light Rain then Mostly Cloudy

Lo 28 °F

Wednesday Night: Slight Chance Light Rain then Mostly Cloudy

A slight chance of rain before 8pm. Mostly cloudy, with a low around 28. Northwest wind around 9 mph.


NWS Hourly Forecast -
Today 2pm through Sat 1am

Issued by:
National Weather Service Boston / Norton, MA
Updated Thu Mar 19, 2026 1:11pm EDT

 
2:00pm
Thu 2:00pm: Mostly Sunny
Mostly Sunny
41°F
Dew Pt 18°F
Wind Chill: 36°F
Wind from S S 7 mph
Precip: 0%
 
3:00pm
Thu 3:00pm: Partly Sunny
Partly Sunny
42°F
Dew Pt 20°F
Wind Chill: 38°F
Wind from S S 7 mph
Precip: 1%
 
4:00pm
Thu 4:00pm: Partly Sunny
Partly Sunny
42°F
Dew Pt 21°F
Wind Chill: 38°F
Wind from S S 7 mph
Precip: 1%
 
5:00pm
Thu 5:00pm: Partly Sunny
Partly Sunny
41°F
Dew Pt 22°F
Wind Chill: 36°F
Wind from S S 7 mph
Precip: 0%
 
6:00pm
Thu 6:00pm: Mostly Cloudy
Mostly Cloudy
40°F
Dew Pt 23°F
Wind Chill: 36°F
Wind from S S 7 mph
Precip: 0%
 
7:00pm
Thu 7:00pm: Partly Cloudy
Partly Cloudy
40°F
Dew Pt 24°F
Wind Chill: 36°F
Wind from S S 6 mph
Precip: 0%
 
8:00pm
Thu 8:00pm: Partly Cloudy
Partly Cloudy
38°F
Dew Pt 25°F
Wind Chill: 34°F
Wind from S S 6 mph
Precip: 0%
 
9:00pm
Thu 9:00pm: Partly Cloudy
Partly Cloudy
36°F
Dew Pt 26°F
Wind Chill: 31°F
Wind from S S 6 mph
Precip: 0%
 
10:00pm
Thu 10:00pm: Partly Cloudy
Partly Cloudy
35°F
Dew Pt 26°F
Wind Chill: 30°F
Wind from S S 6 mph
Precip: 0%
 
11:00pm
Thu 11:00pm: Partly Cloudy
Partly Cloudy
35°F
Dew Pt 26°F
Wind Chill: 29°F
Wind from SW SW 6 mph
Precip: 1%
Fri
12:00am
Fri 12:00am: Partly Cloudy
Partly Cloudy
35°F
Dew Pt 26°F
Wind Chill: 29°F
Wind from SW SW 6 mph
Precip: 0%
Fri
1:00am
Fri 1:00am: Partly Cloudy
Partly Cloudy
35°F
Dew Pt 26°F
Wind Chill: 29°F
Wind from SW SW 6 mph
Precip: 0%
Fri
2:00am
Fri 2:00am: Partly Cloudy
Partly Cloudy
35°F
Dew Pt 26°F
Wind Chill: 29°F
Wind from SW SW 6 mph
Precip: 0%
Fri
3:00am
Fri 3:00am: Partly Cloudy
Partly Cloudy
34°F
Dew Pt 27°F
Wind Chill: 28°F
Wind from SW SW 6 mph
Precip: 0%
Fri
4:00am
Fri 4:00am: Mostly Clear
Mostly Clear
33°F
Dew Pt 27°F
Wind Chill: 28°F
Wind from SW SW 6 mph
Precip: 0%
Fri
5:00am
Fri 5:00am: Mostly Clear
Mostly Clear
34°F
Dew Pt 28°F
Wind Chill: 29°F
Wind from W W 6 mph
Precip: 0%
Fri
6:00am
Fri 6:00am: Sunny
Sunny
33°F
Dew Pt 27°F
Wind Chill: 29°F
Wind from W W 5 mph
Precip: 0%
Fri
7:00am
Fri 7:00am: Sunny
Sunny
33°F
Dew Pt 27°F
Wind Chill: 29°F
Wind from W W 5 mph
Precip: 0%
Fri
8:00am
Fri 8:00am: Sunny
Sunny
34°F
Dew Pt 28°F
Wind Chill: 30°F
Wind from W W 5 mph
Precip: 0%
Fri
9:00am
Fri 9:00am: Sunny
Sunny
37°F
Dew Pt 28°F
Wind Chill: 33°F
Wind from W W 5 mph
Precip: 0%
Fri
10:00am
Fri 10:00am: Mostly Sunny
Mostly Sunny
41°F
Dew Pt 28°F
Wind Chill: 38°F
Wind from W W 5 mph
Precip: 0%
Fri
11:00am
Fri 11:00am: Mostly Sunny
Mostly Sunny
44°F
Dew Pt 28°F
Wind Chill: 41°F
Wind from SW SW 5 mph
Precip: 1%
Fri
12:00pm
Fri 12:00pm: Mostly Sunny
Mostly Sunny
47°F
Dew Pt 29°F
Wind Chill: 44°F
Wind from S S 6 mph
Precip: 2%
Fri
1:00pm
Fri 1:00pm: Partly Sunny
Partly Sunny
49°F
Dew Pt 30°F
Wind Chill: 46°F
Wind from S S 8 mph
Precip: 2%
Fri
2:00pm
Fri 2:00pm: Mostly Cloudy
Mostly Cloudy
52°F
Dew Pt 29°F
Wind from S S 9 mph
Precip: 6%
Fri
3:00pm
Fri 3:00pm: Partly Sunny
Partly Sunny
52°F
Dew Pt 31°F
Wind from S S 10 mph
Precip: 8%
Fri
4:00pm
Fri 4:00pm: Partly Sunny
Partly Sunny
52°F
Dew Pt 32°F
Wind from S S 12 mph
Precip: 11%
Rain: 0.01 in
Fri
5:00pm
Fri 5:00pm: Mostly Cloudy
Mostly Cloudy
51°F
Dew Pt 33°F
Wind from S S 12 mph
Precip: 13%
Rain: 0.02 in
Fri
6:00pm
Fri 6:00pm: Chance Light Rain
Chance Light Rain
50°F
Dew Pt 35°F
Wind from S S 10 mph
Precip: 25%
Rain: 0.04 in
Fri
7:00pm
Fri 7:00pm: Chance Light Rain
Chance Light Rain
48°F
Dew Pt 35°F
Wind Chill: 45°F
Wind from S S 10 mph
Precip: 38%
Rain: 0.07 in
Fri
8:00pm
Fri 8:00pm: Chance Light Rain
Chance Light Rain
47°F
Dew Pt 36°F
Wind Chill: 43°F
Wind from S S 10 mph
Precip: 50%
Rain: 0.02 in
Fri
9:00pm
Fri 9:00pm: Light Rain Likely
Light Rain Likely
47°F
Dew Pt 37°F
Wind Chill: 42°F
Wind from SW SW 10 mph
Precip: 58%
Rain: 0.02 in
Fri
10:00pm
Fri 10:00pm: Light Rain Likely
Light Rain Likely
47°F
Dew Pt 38°F
Wind Chill: 41°F
Wind from SW SW 10 mph
Precip: 67%
Rain: 0.02 in
Fri
11:00pm
Fri 11:00pm: Light Rain
Light Rain
46°F
Dew Pt 39°F
Wind Chill: 41°F
Wind from SW SW 10 mph
Precip: 75%
Rain: 0.02 in
Sat
12:00am
Sat 12:00am: Light Rain Likely
Light Rain Likely
46°F
Dew Pt 39°F
Wind Chill: 41°F
Wind from SW SW 10 mph
Precip: 70%
Rain: 0.01 in
Sat
1:00am
Sat 1:00am: Light Rain Likely
Light Rain Likely
45°F
Dew Pt 40°F
Wind Chill: 40°F
Wind from SW SW 9 mph
Precip: 65%
Rain: 0.01 in




Radar [‒] Radar [+]

Satellite [‒] Satellite [+]

Satellite images courtesy Weather Underground / Intellicast.

GOES East  

Tap Click image to go to NESDIS

Weather Underground Visible

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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 (Measured): 0.0   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:

0.01 in

Rain Today:

0.00 in

Wednesday:

0.01 in

March:

1.26 in

2026

Daily Extremes [‒] Daily Extremes [+]

1:17pm

36.1°F

High today:

12:00am

25.2°F

Low today:

2:28pm

30.4°F

High Wednesday:

7:11am

16.2°F

Low Wednesday:

12:00am

25.2°F

Low wind chill today:

7:11am

16.2°F

Low wind chill Wednesday:

1:17pm

33.3°F

High dew pt today:

11:56pm

20.7°F

High dew pt Wednesday:

 

None

Wind gust today:

 

None

Wind gust Wednesday:


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

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:

6:11am

Sunrise:

6:39am

Sunset:

5:19pm

Twilight ends:

5:47pm

Daylight length:

10 hours 39 minutes

Waxing Crescent, Moon age: 0 days, 17 hours, 26 minutes, 82%

Phase:

Waxing Crescent (82%)

Moon set:

8:18am

Moon rise:

9:38pm