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

Today:  Hi 65 °F

Tonight:  Lo 42 °F

 

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

Humidity:  90%  

 

UV Index:  0.0   None

 

Air Quality Index: 20

 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 Wednesday 0.00 in

Visibility: 10 miles

Wind:

Now: Calm

Avg: Calm

Gusts: 0 mph

Calm wind


Forecast [‒] Forecast [+]

NWS Weather Forecast -
Today, Tonight, & Friday through Wednesday Night

Issued by:
National Weather Service Boston / Norton, MA
Point Forecast Updated Thu May 21, 2026 6:42am EDT


Overview:

- Seasonable temps with scattered showers Thursday morning, lingering longest over CT, RI and SE MA. Dry and mild weather continues Friday.

- Cooler temperatures through Memorial Day Weekend. Unsettled weather returns for the weekend, but not a washout every day. Sunday is the wettest of the three days.


Today:

Slight Chance Rain Showers then Cloudy

Hi 65 °F

Today: Slight Chance Rain Showers then Cloudy

A slight chance of rain showers before 11am. Cloudy, with a high near 65. North wind 3 to 7 mph. Chance of precipitation is 20%.


Tonight:

Mostly Cloudy

Lo 42 °F

Tonight: Mostly Cloudy

Mostly cloudy, with a low around 42. North wind around 5 mph.


Friday:

Mostly Sunny

Hi 65 °F

Friday: Mostly Sunny

Mostly sunny, with a high near 65. East wind 5 to 8 mph.


Friday Night:

Mostly Cloudy

Lo 48 °F

Friday Night: Mostly Cloudy

Mostly cloudy, with a low around 48. South wind 1 to 7 mph.


Saturday:

Mostly Cloudy

Hi 64 °F

Saturday: Mostly Cloudy

Mostly cloudy, with a high near 64. Northeast wind 1 to 8 mph.


Saturday Night:

Rain Showers Likely

Lo 47 °F

Saturday Night: Rain Showers Likely

Rain showers likely after 8pm. Cloudy, with a low around 47. East wind 3 to 7 mph. Chance of precipitation is 60%.


Sunday:

Rain Showers

Hi 57 °F

Sunday: Rain Showers

Rain showers. Cloudy, with a high near 57. East wind 7 to 10 mph. Chance of precipitation is 80%.


Sunday Night:

Rain Showers Likely

Lo 49 °F

Sunday Night: Rain Showers Likely

Rain showers likely. Cloudy, with a low around 49. East wind 5 to 9 mph. Chance of precipitation is 70%.


Memorial Day:

Chance Rain Showers

Hi 68 °F

Memorial Day: Chance Rain Showers

A chance of rain showers. Cloudy, with a high near 68. North wind around 7 mph. Chance of precipitation is 40%.


Monday Night:

Chance Rain Showers

Lo 53 °F

Monday Night: Chance Rain Showers

A chance of rain showers before 2am. Mostly cloudy, with a low around 53. Southwest wind around 5 mph. Chance of precipitation is 30%.


Tuesday:

Mostly Sunny

Hi 79 °F

Tuesday: Mostly Sunny

Mostly sunny, with a high near 79. Northwest wind 3 to 7 mph.


Tuesday Night:

Partly Cloudy

Lo 57 °F

Tuesday Night: Partly Cloudy

Partly cloudy, with a low around 57. West wind around 7 mph.


Wednesday:

Mostly Sunny then Slight Chance Rain Showers

Hi 79 °F

Wednesday: Mostly Sunny then Slight Chance Rain Showers

A slight chance of rain showers after 2pm. Mostly sunny, with a high near 79. Northwest wind 5 to 9 mph.


Wednesday Night:

Slight Chance Rain Showers then Partly Cloudy

Lo 55 °F

Wednesday Night: Slight Chance Rain Showers then Partly Cloudy

A slight chance of rain showers before 8pm. Partly cloudy, with a low around 55. Northwest wind around 7 mph.


NWS Hourly Forecast -
Today 11am through Fri 10pm

Issued by:
National Weather Service Boston / Norton, MA
Updated Thu May 21, 2026 6:42am EDT

 
11:00am
Thu 11:00am: Cloudy
Cloudy
62°F
Dew Pt 38°F
Wind from N N 5 mph
Precip: 12%
 
12:00pm
Thu 12:00pm: Cloudy
Cloudy
63°F
Dew Pt 37°F
Wind from N N 5 mph
Precip: 11%
 
1:00pm
Thu 1:00pm: Mostly Cloudy
Mostly Cloudy
64°F
Dew Pt 37°F
Wind from NW NW 5 mph
Precip: 9%
 
2:00pm
Thu 2:00pm: Mostly Cloudy
Mostly Cloudy
64°F
Dew Pt 37°F
Wind from NW NW 5 mph
Precip: 8%
 
3:00pm
Thu 3:00pm: Mostly Cloudy
Mostly Cloudy
64°F
Dew Pt 37°F
Wind from NW NW 5 mph
Precip: 7%
 
4:00pm
Thu 4:00pm: Mostly Cloudy
Mostly Cloudy
65°F
Dew Pt 37°F
Wind from N N 5 mph
Precip: 7%
 
5:00pm
Thu 5:00pm: Mostly Cloudy
Mostly Cloudy
64°F
Dew Pt 36°F
Wind from N N 3 mph
Precip: 6%
 
6:00pm
Thu 6:00pm: Mostly Cloudy
Mostly Cloudy
63°F
Dew Pt 37°F
Wind from N N 3 mph
Precip: 6%
 
7:00pm
Thu 7:00pm: Mostly Cloudy
Mostly Cloudy
62°F
Dew Pt 37°F
Wind from NE NE 3 mph
Precip: 5%
 
8:00pm
Thu 8:00pm: Mostly Cloudy
Mostly Cloudy
59°F
Dew Pt 38°F
Wind from NE NE 3 mph
Precip: 4%
 
9:00pm
Thu 9:00pm: Mostly Cloudy
Mostly Cloudy
55°F
Dew Pt 38°F
Wind from NE NE 3 mph
Precip: 3%
 
10:00pm
Thu 10:00pm: Mostly Cloudy
Mostly Cloudy
53°F
Dew Pt 38°F
Wind from N N 3 mph
Precip: 2%
 
11:00pm
Thu 11:00pm: Mostly Cloudy
Mostly Cloudy
51°F
Dew Pt 38°F
Wind from N N 3 mph
Precip: 1%
Fri
12:00am
Fri 12:00am: Mostly Cloudy
Mostly Cloudy
49°F
Dew Pt 38°F
Wind Chill: 48°F
Wind from N N 3 mph
Precip: 1%
Fri
1:00am
Fri 1:00am: Mostly Cloudy
Mostly Cloudy
47°F
Dew Pt 37°F
Wind Chill: 45°F
Wind from N N 5 mph
Precip: 0%
Fri
2:00am
Fri 2:00am: Mostly Cloudy
Mostly Cloudy
46°F
Dew Pt 37°F
Wind Chill: 44°F
Wind from N N 5 mph
Precip: 0%
Fri
3:00am
Fri 3:00am: Partly Cloudy
Partly Cloudy
45°F
Dew Pt 37°F
Wind Chill: 43°F
Wind from N N 5 mph
Precip: 0%
Fri
4:00am
Fri 4:00am: Partly Cloudy
Partly Cloudy
43°F
Dew Pt 36°F
Wind Chill: 40°F
Wind from N N 5 mph
Precip: 0%
Fri
5:00am
Fri 5:00am: Mostly Clear
Mostly Clear
42°F
Dew Pt 35°F
Wind Chill: 39°F
Wind from N N 5 mph
Precip: 0%
Fri
6:00am
Fri 6:00am: Sunny
Sunny
43°F
Dew Pt 35°F
Wind Chill: 40°F
Wind from N N 5 mph
Precip: 0%
Fri
7:00am
Fri 7:00am: Sunny
Sunny
46°F
Dew Pt 36°F
Wind Chill: 44°F
Wind from NE NE 6 mph
Precip: 0%
Fri
8:00am
Fri 8:00am: Sunny
Sunny
50°F
Dew Pt 35°F
Wind Chill: 48°F
Wind from NE NE 6 mph
Precip: 0%
Fri
9:00am
Fri 9:00am: Sunny
Sunny
53°F
Dew Pt 34°F
Wind from NE NE 6 mph
Precip: 0%
Fri
10:00am
Fri 10:00am: Sunny
Sunny
57°F
Dew Pt 33°F
Wind from NE NE 7 mph
Precip: 0%
Fri
11:00am
Fri 11:00am: Mostly Sunny
Mostly Sunny
58°F
Dew Pt 33°F
Wind from NE NE 7 mph
Precip: 0%
Fri
12:00pm
Fri 12:00pm: Mostly Sunny
Mostly Sunny
62°F
Dew Pt 33°F
Wind from E E 7 mph
Precip: 0%
Fri
1:00pm
Fri 1:00pm: Mostly Sunny
Mostly Sunny
64°F
Dew Pt 33°F
Wind from E E 7 mph
Precip: 0%
Fri
2:00pm
Fri 2:00pm: Mostly Sunny
Mostly Sunny
64°F
Dew Pt 32°F
Wind from E E 8 mph
Precip: 0%
Fri
3:00pm
Fri 3:00pm: Partly Sunny
Partly Sunny
64°F
Dew Pt 32°F
Wind from E E 8 mph
Precip: 0%
Fri
4:00pm
Fri 4:00pm: Partly Sunny
Partly Sunny
65°F
Dew Pt 32°F
Wind from E E 7 mph
Precip: 0%
Fri
5:00pm
Fri 5:00pm: Partly Sunny
Partly Sunny
64°F
Dew Pt 32°F
Wind from SE SE 7 mph
Precip: 0%
Fri
6:00pm
Fri 6:00pm: Mostly Cloudy
Mostly Cloudy
63°F
Dew Pt 32°F
Wind from SE SE 7 mph
Precip: 0%
Fri
7:00pm
Fri 7:00pm: Mostly Cloudy
Mostly Cloudy
62°F
Dew Pt 32°F
Wind from SE SE 6 mph
Precip: 0%
Fri
8:00pm
Fri 8:00pm: Mostly Cloudy
Mostly Cloudy
58°F
Dew Pt 34°F
Wind from SE SE 5 mph
Precip: 0%
Fri
9:00pm
Fri 9:00pm: Partly Cloudy
Partly Cloudy
56°F
Dew Pt 34°F
Wind from SE SE 3 mph
Precip: 0%
Fri
10:00pm
Fri 10:00pm: Mostly Cloudy
Mostly Cloudy
54°F
Dew Pt 35°F
Wind from S S 3 mph
Precip: 0%




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

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: 5    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

May:

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 [+]

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: 4 days, 19 hours, 42 minutes, 82%

Phase:

Waxing Crescent (82%)

Moon set:

8:18am

Moon rise:

9:38pm