Old Res Weather

Lexington, Massachusetts, USA

35°F
2/16/2025 7:17pm 
  • Lexington Conditions: Clear
  • 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 

Clear

Clear

This Afternoon:  Hi 74 °F

Tonight:  Lo 41 °F

 

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

Humidity:  90%  

 

UV Index:  0.0   None

 

Air Quality Index: 34

 Good 

(Ozone)

Barometer:  29.00 in Falling 0.05  inHg/hr

982 mb

 

Rain Rate:  0.00 in/hr

Rain Today:  0.01 in

Rain Monday 0.00 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

Trace of snow expected in Lexington.

Forecast [‒] Forecast [+]

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

Issued by:
National Weather Service Boston / Norton, MA
Point Forecast Updated Tue Mar 10, 2026 1:25pm EDT


This Afternoon:

Sunny

Hi 74 °F

This Afternoon: Sunny

Sunny, with a high near 74. Southwest wind around 7 mph.


Tonight:

Partly Cloudy

Lo 41 °F

Tonight: Partly Cloudy

Partly cloudy, with a low around 41. West wind 2 to 6 mph.


Wednesday:

Chance Light Rain

Hi 49 °F

Wednesday: Chance Light Rain

Patchy fog between 7am and 8am, then a chance of rain and patchy fog. Mostly cloudy, with a high near 49. East wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.


Wednesday Night:

Chance Light Rain

Lo 43 °F

Wednesday Night: Chance Light Rain

A chance of rain before 9pm, then a chance of rain and patchy fog. Mostly cloudy, with a low around 43. South wind 7 to 12 mph. Chance of precipitation is 50%.


Thursday:

Chance Light Rain then Chance Rain And Snow

Hi 58 °F

Thursday: Chance Light Rain then Chance Rain And Snow

A chance of rain before 8am, then a chance of rain and patchy fog between 8am and 5pm, then a chance of rain and snow. Mostly cloudy, with a high near 58. West wind around 14 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.


Thursday Night:

Chance Light Snow then Partly Cloudy

Lo 29 °F

Thursday Night: Chance Light Snow then Partly Cloudy

A chance of snow before 8pm. Partly cloudy, with a low around 29. West wind 7 to 12 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.


Friday:

Mostly Sunny

Hi 45 °F

Friday: Mostly Sunny

Mostly sunny, with a high near 45. Southwest wind 6 to 12 mph, with gusts as high as 22 mph.


Friday Night:

Chance Light Rain

Lo 35 °F

Friday Night: Chance Light Rain

A chance of rain after 8pm. Mostly cloudy, with a low around 35. Southwest wind around 12 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.


Saturday:

Slight Chance Light Rain then Mostly Sunny

Hi 47 °F

Saturday: Slight Chance Light Rain then Mostly Sunny

A slight chance of rain before 8am. Mostly sunny, with a high near 47. West wind 12 to 15 mph, with gusts as high as 29 mph.


Saturday Night:

Partly Cloudy

Lo 29 °F

Saturday Night: Partly Cloudy

Partly cloudy, with a low around 29. West wind 5 to 12 mph.


Sunday:

Slight Chance Light Snow then Slight Chance Light Rain

Hi 48 °F

Sunday: Slight Chance Light Snow then Slight Chance Light Rain

A slight chance of snow between 10am and 11am, then a slight chance of rain. Mostly cloudy, with a high near 48. Southwest wind 3 to 9 mph.


Sunday Night:

Light Rain

Lo 40 °F

Sunday Night: Light Rain

Rain. Cloudy, with a low around 40. South wind 8 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.


Monday:

Light Rain

Hi 59 °F

Monday: Light Rain

Rain. Cloudy, with a high near 59. South wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.


Monday Night:

Light Rain Likely then Slight Chance Light Snow

Lo 27 °F

Monday Night: Light Rain Likely then Slight Chance Light Snow

Rain likely before 4am, then a slight chance of snow. Mostly cloudy, with a low around 27. West wind around 13 mph, with gusts as high as 24 mph.


NWS Hourly Forecast -
Today 3pm through Thu 2am

Issued by:
National Weather Service Boston / Norton, MA
Updated Tue Mar 10, 2026 1:25pm EDT

 
3:00pm
Tue 3:00pm: Sunny
Sunny
72°F
Dew Pt 47°F
Wind from SW SW 7 mph
Precip: 0%
 
4:00pm
Tue 4:00pm: Sunny
Sunny
74°F
Dew Pt 48°F
Wind from SW SW 7 mph
Precip: 0%
 
5:00pm
Tue 5:00pm: Sunny
Sunny
69°F
Dew Pt 49°F
Wind from SW SW 6 mph
Precip: 0%
 
6:00pm
Tue 6:00pm: Mostly Clear
Mostly Clear
64°F
Dew Pt 49°F
Wind from SW SW 6 mph
Precip: 0%
 
7:00pm
Tue 7:00pm: Mostly Clear
Mostly Clear
59°F
Dew Pt 48°F
Wind from SW SW 6 mph
Precip: 0%
 
8:00pm
Tue 8:00pm: Partly Cloudy
Partly Cloudy
56°F
Dew Pt 48°F
Wind from SW SW 6 mph
Precip: 1%
 
9:00pm
Tue 9:00pm: Mostly Clear
Mostly Clear
61°F
Dew Pt 47°F
Wind from SW SW 5 mph
Precip: 1%
 
10:00pm
Tue 10:00pm: Mostly Clear
Mostly Clear
58°F
Dew Pt 47°F
Wind from SW SW 5 mph
Precip: 1%
 
11:00pm
Tue 11:00pm: Mostly Clear
Mostly Clear
56°F
Dew Pt 46°F
Wind from SW SW 3 mph
Precip: 2%
Wed
12:00am
Wed 12:00am: Mostly Clear
Mostly Clear
54°F
Dew Pt 46°F
Wind from SW SW 3 mph
Precip: 3%
Wed
1:00am
Wed 1:00am: Partly Cloudy
Partly Cloudy
53°F
Dew Pt 46°F
Wind from SW SW 2 mph
Precip: 5%
Wed
2:00am
Wed 2:00am: Partly Cloudy
Partly Cloudy
49°F
Dew Pt 46°F
Wind from W W 2 mph
Precip: 7%
Wed
3:00am
Wed 3:00am: Mostly Cloudy
Mostly Cloudy
47°F
Dew Pt 44°F
Wind Chill: 46°F
Wind from N N 3 mph
Precip: 9%
Wed
4:00am
Wed 4:00am: Mostly Cloudy
Mostly Cloudy
45°F
Dew Pt 42°F
Wind Chill: 43°F
Wind from NE NE 5 mph
Precip: 8%
Wed
5:00am
Wed 5:00am: Mostly Cloudy
Mostly Cloudy
43°F
Dew Pt 40°F
Wind Chill: 39°F
Wind from NE NE 6 mph
Precip: 8%
Wed
6:00am
Wed 6:00am: Partly Sunny
Partly Sunny
42°F
Dew Pt 39°F
Wind Chill: 38°F
Wind from NE NE 6 mph
Precip: 8%
Wed
7:00am
Wed 7:00am: Patchy Fog
Patchy Fog
41°F
Dew Pt 38°F
Wind Chill: 37°F
Wind from NE NE 6 mph
Precip: 8%
Wed
8:00am
Wed 8:00am: Patchy Fog
Patchy Fog
41°F
Dew Pt 38°F
Wind Chill: 36°F
Wind from NE NE 7 mph
Precip: 15%
Wed
9:00am
Wed 9:00am: Patchy Fog
Patchy Fog
41°F
Dew Pt 38°F
Wind Chill: 36°F
Wind from NE NE 7 mph
Precip: 16%
Wed
10:00am
Wed 10:00am: Slight Chance Light Rain
Slight Chance Light Rain
41°F
Dew Pt 38°F
Wind Chill: 36°F
Wind from NE NE 7 mph
Precip: 16%
Wed
11:00am
Wed 11:00am: Slight Chance Light Rain
Slight Chance Light Rain
41°F
Dew Pt 38°F
Wind Chill: 36°F
Wind from NE NE 7 mph
Precip: 17%
Wed
12:00pm
Wed 12:00pm: Slight Chance Light Rain
Slight Chance Light Rain
41°F
Dew Pt 38°F
Wind Chill: 36°F
Wind from NE NE 7 mph
Precip: 21%
Rain: 0.01 in
Wed
1:00pm
Wed 1:00pm: Slight Chance Light Rain
Slight Chance Light Rain
42°F
Dew Pt 38°F
Wind Chill: 38°F
Wind from NE NE 7 mph
Precip: 21%
Rain: 0.01 in
Wed
2:00pm
Wed 2:00pm: Mostly Cloudy
Mostly Cloudy
43°F
Dew Pt 39°F
Wind Chill: 39°F
Wind from E E 6 mph
Precip: 14%
Wed
3:00pm
Wed 3:00pm: Mostly Cloudy
Mostly Cloudy
44°F
Dew Pt 39°F
Wind Chill: 40°F
Wind from E E 7 mph
Precip: 14%
Wed
4:00pm
Wed 4:00pm: Slight Chance Light Rain
Slight Chance Light Rain
47°F
Dew Pt 40°F
Wind Chill: 44°F
Wind from E E 7 mph
Precip: 18%
Wed
5:00pm
Wed 5:00pm: Chance Light Rain
Chance Light Rain
48°F
Dew Pt 40°F
Wind Chill: 45°F
Wind from SE SE 7 mph
Precip: 27%
Wed
6:00pm
Wed 6:00pm: Chance Light Rain
Chance Light Rain
49°F
Dew Pt 42°F
Wind Chill: 46°F
Wind from SE SE 7 mph
Precip: 28%
Wed
7:00pm
Wed 7:00pm: Chance Light Rain
Chance Light Rain
49°F
Dew Pt 44°F
Wind Chill: 46°F
Wind from SE SE 7 mph
Precip: 44%
Wed
8:00pm
Wed 8:00pm: Chance Light Rain
Chance Light Rain
49°F
Dew Pt 46°F
Wind Chill: 46°F
Wind from S S 8 mph
Precip: 46%
Wed
9:00pm
Wed 9:00pm: Chance Light Rain
Chance Light Rain
51°F
Dew Pt 48°F
Wind from S S 8 mph
Precip: 46%
Wed
10:00pm
Wed 10:00pm: Chance Light Rain
Chance Light Rain
53°F
Dew Pt 50°F
Wind from S S 9 mph
Precip: 46%
Wed
11:00pm
Wed 11:00pm: Chance Light Rain
Chance Light Rain
54°F
Dew Pt 52°F
Wind from S S 10 mph
Precip: 46%
Thu
12:00am
Thu 12:00am: Chance Light Rain
Chance Light Rain
55°F
Dew Pt 53°F
Wind from S S 10 mph
Precip: 46%
Thu
1:00am
Thu 1:00am: Chance Light Rain
Chance Light Rain
55°F
Dew Pt 54°F
Wind from S S 12 mph
Precip: 45%
Thu
2:00am
Thu 2:00am: Chance Light Rain
Chance Light Rain
55°F
Dew Pt 54°F
Wind from S S 12 mph
Precip: 44%




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

Monday:

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 Monday:

7:11am

16.2°F

Low Monday:

12:00am

25.2°F

Low wind chill today:

7:11am

16.2°F

Low wind chill Monday:

1:17pm

33.3°F

High dew pt today:

11:56pm

20.7°F

High dew pt Monday:

 

None

Wind gust today:

 

None

Wind gust Monday:


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

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

Waning Gibbous, Moon age: 21 days, 7 hours, 8 minutes, 82%

Phase:

Waning Gibbous (82%)

Moon set:

8:18am

Moon rise:

9:38pm