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

Tonight:  Lo 64 °F

Tuesday:  Hi 69 °F

 

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

Humidity:  90%  

 

UV Index:  0.0   None

 

Air Quality Index: 24

 Good 

(Fine Particles)

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


Forecast [‒] Forecast [+]

NWS Weather Forecast -
Tonight, Tuesday, & Tuesday Night through Labor Day

Issued by:
National Weather Service Boston / Norton, MA
Point Forecast Updated Mon Aug 31, 2026 2:21pm EDT


Overview:

- A cool and wet start to meteorological fall. Some rain could be heavy, leading to poor drainage flooding.

- Unsettled weather late Wed into Thursday, with several rounds of showers and thunderstorms. Low confidence on exact timing.

- Improving weather Friday and into the holiday weekend. Other than a spot diurnal shower each day, dry weather prevails with a mix of clouds and sun. Cooler than normal with highs in the 70s and lows in the 50s, along with onshore breezes.


Tonight:

Mostly Cloudy then Slight Chance Rain Showers

Lo 64 °F

Tonight: Mostly Cloudy then Slight Chance Rain Showers

A slight chance of rain showers after 4am. Mostly cloudy, with a low around 64. South wind around 6 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.


Tuesday:

Rain Showers

Hi 69 °F

Tuesday: Rain Showers

A chance of rain showers before 7am, then rain showers and patchy fog between 7am and 2pm, then patchy fog and showers and thunderstorms. Mostly cloudy, with a high near 69. Southeast wind 2 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.


Tuesday Night:

Chance Rain Showers

Lo 61 °F

Tuesday Night: Chance Rain Showers

A chance of rain showers and patchy fog before 2am. Cloudy, with a low around 61. East wind 3 to 7 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.


Wednesday:

Mostly Cloudy

Hi 72 °F

Wednesday: Mostly Cloudy

Mostly cloudy, with a high near 72. East wind 3 to 7 mph.


Wednesday Night:

Rain Showers

Lo 62 °F

Wednesday Night: Rain Showers

Rain showers between 8pm and 5am, then showers and thunderstorms. Cloudy, with a low around 62. Southeast wind around 6 mph. Chance of precipitation is 90%.


Thursday:

Showers And T-Storms

Hi 80 °F

Thursday: Showers And Thunderstorms

Showers and thunderstorms. Mostly cloudy, with a high near 80. South wind 6 to 9 mph. Chance of precipitation is 90%.


Thursday Night:

Showers And T-Storms Likely

Lo 65 °F

Thursday Night: Showers And Thunderstorms Likely

Showers and thunderstorms likely before 1am. Mostly cloudy, with a low around 65. West wind around 6 mph. Chance of precipitation is 70%.


Friday:

Mostly Sunny

Hi 80 °F

Friday: Mostly Sunny

Mostly sunny, with a high near 80. Northwest wind 5 to 8 mph.


Friday Night:

Partly Cloudy

Lo 61 °F

Friday Night: Partly Cloudy

Partly cloudy, with a low around 61. Northwest wind around 6 mph.


Saturday:

Mostly Sunny then Slight Chance Rain Showers

Hi 73 °F

Saturday: Mostly Sunny then Slight Chance Rain Showers

A slight chance of rain showers after 5pm. Mostly sunny, with a high near 73. North wind 6 to 9 mph.


Saturday Night:

Partly Cloudy

Lo 56 °F

Saturday Night: Partly Cloudy

Partly cloudy, with a low around 56. North wind around 6 mph.


Sunday:

Mostly Sunny

Hi 71 °F

Sunday: Mostly Sunny

Mostly sunny, with a high near 71. North wind 6 to 9 mph.


Sunday Night:

Partly Cloudy

Lo 55 °F

Sunday Night: Partly Cloudy

Partly cloudy, with a low around 55. North wind 2 to 6 mph.


Labor Day:

Sunny

Hi 76 °F

Labor Day: Sunny

Sunny, with a high near 76. Northeast wind around 6 mph.


NWS Hourly Forecast -
Today 12am through Wed 11am

Issued by:
National Weather Service Boston / Norton, MA
Updated Mon Aug 31, 2026 2:21pm EDT

 
12:00am
Tue 12:00am: Mostly Cloudy
Mostly Cloudy
68°F
Dew Pt 62°F
Wind from SW SW 5 mph
Precip: 3%
 
1:00am
Tue 1:00am: Mostly Cloudy
Mostly Cloudy
67°F
Dew Pt 62°F
Wind from SW SW 5 mph
Precip: 6%
 
2:00am
Tue 2:00am: Mostly Cloudy
Mostly Cloudy
67°F
Dew Pt 63°F
Wind from SW SW 3 mph
Precip: 9%
 
3:00am
Tue 3:00am: Mostly Cloudy
Mostly Cloudy
66°F
Dew Pt 63°F
Wind from SW SW 3 mph
Precip: 13%
Rain: 0.01 in
 
4:00am
Tue 4:00am: Slight Chance Rain Showers
Slight Chance Rain Showers
66°F
Dew Pt 64°F
Wind from SW SW 3 mph
Precip: 17%
Rain: 0.01 in
 
5:00am
Tue 5:00am: Slight Chance Rain Showers
Slight Chance Rain Showers
66°F
Dew Pt 64°F
Wind from S S 3 mph
Precip: 21%
Rain: 0.01 in
 
6:00am
Tue 6:00am: Chance Rain Showers
Chance Rain Showers
64°F
Dew Pt 64°F
Wind from S S 2 mph
Precip: 27%
Rain: 0.01 in
 
7:00am
Tue 7:00am: Chance Rain Showers
Chance Rain Showers
64°F
Dew Pt 64°F
Wind from SE SE 3 mph
Precip: 41%
Rain: 0.02 in
 
8:00am
Tue 8:00am: Rain Showers Likely
Rain Showers Likely
66°F
Dew Pt 66°F
Wind from SE SE 3 mph
Precip: 71%
Rain: 0.06 in
 
9:00am
Tue 9:00am: Rain Showers
Rain Showers
67°F
Dew Pt 66°F
Wind from SE SE 5 mph
Precip: 76%
Rain: 0.06 in
 
10:00am
Tue 10:00am: Rain Showers Likely
Rain Showers Likely
67°F
Dew Pt 67°F
Wind from SE SE 5 mph
Precip: 71%
Rain: 0.06 in
 
11:00am
Tue 11:00am: Rain Showers Likely
Rain Showers Likely
68°F
Dew Pt 67°F
Wind from SE SE 6 mph
Precip: 70%
Rain: 0.06 in
 
12:00pm
Tue 12:00pm: Rain Showers Likely
Rain Showers Likely
69°F
Dew Pt 67°F
Wind from SE SE 7 mph
Precip: 68%
Rain: 0.05 in
 
1:00pm
Tue 1:00pm: Rain Showers Likely
Rain Showers Likely
69°F
Dew Pt 67°F
Wind from SE SE 7 mph
Precip: 66%
Rain: 0.05 in
 
2:00pm
Tue 2:00pm: Patchy Fog
Patchy Fog
69°F
Dew Pt 67°F
Wind from SE SE 8 mph
Precip: 80%
Rain: 0.03 in
 
3:00pm
Tue 3:00pm: Patchy Fog
Patchy Fog
68°F
Dew Pt 66°F
Wind from E E 8 mph
Precip: 75%
Rain: 0.03 in
 
4:00pm
Tue 4:00pm: Patchy Fog
Patchy Fog
68°F
Dew Pt 65°F
Wind from E E 7 mph
Precip: 68%
Rain: 0.02 in
 
5:00pm
Tue 5:00pm: Rain Showers Likely
Rain Showers Likely
68°F
Dew Pt 65°F
Wind from E E 7 mph
Precip: 63%
Rain: 0.02 in
 
6:00pm
Tue 6:00pm: Chance Rain Showers
Chance Rain Showers
66°F
Dew Pt 64°F
Wind from E E 7 mph
Precip: 49%
Rain: 0.02 in
 
7:00pm
Tue 7:00pm: Chance Rain Showers
Chance Rain Showers
66°F
Dew Pt 63°F
Wind from E E 6 mph
Precip: 36%
Rain: 0.01 in
 
8:00pm
Tue 8:00pm: Chance Rain Showers
Chance Rain Showers
66°F
Dew Pt 62°F
Wind from E E 5 mph
Precip: 37%
 
9:00pm
Tue 9:00pm: Chance Rain Showers
Chance Rain Showers
65°F
Dew Pt 61°F
Wind from E E 5 mph
Precip: 32%
 
10:00pm
Tue 10:00pm: Chance Rain Showers
Chance Rain Showers
64°F
Dew Pt 61°F
Wind from E E 5 mph
Precip: 41%
 
11:00pm
Tue 11:00pm: Chance Rain Showers
Chance Rain Showers
64°F
Dew Pt 61°F
Wind from E E 3 mph
Precip: 37%
Wed
12:00am
Wed 12:00am: Chance Rain Showers
Chance Rain Showers
64°F
Dew Pt 61°F
Wind from E E 3 mph
Precip: 32%
Wed
1:00am
Wed 1:00am: Slight Chance Rain Showers
Slight Chance Rain Showers
63°F
Dew Pt 61°F
Wind from E E 3 mph
Precip: 22%
Wed
2:00am
Wed 2:00am: Cloudy
Cloudy
62°F
Dew Pt 61°F
Wind from E E 3 mph
Precip: 14%
Wed
3:00am
Wed 3:00am: Cloudy
Cloudy
62°F
Dew Pt 61°F
Wind from E E 3 mph
Precip: 14%
Wed
4:00am
Wed 4:00am: Cloudy
Cloudy
62°F
Dew Pt 60°F
Wind from E E 3 mph
Precip: 7%
Wed
5:00am
Wed 5:00am: Cloudy
Cloudy
61°F
Dew Pt 60°F
Wind from E E 3 mph
Precip: 5%
Wed
6:00am
Wed 6:00am: Cloudy
Cloudy
61°F
Dew Pt 60°F
Wind from E E 3 mph
Precip: 12%
Wed
7:00am
Wed 7:00am: Cloudy
Cloudy
61°F
Dew Pt 61°F
Wind from E E 5 mph
Precip: 6%
Wed
8:00am
Wed 8:00am: Mostly Cloudy
Mostly Cloudy
62°F
Dew Pt 62°F
Wind from E E 5 mph
Precip: 3%
Wed
9:00am
Wed 9:00am: Cloudy
Cloudy
65°F
Dew Pt 63°F
Wind from E E 6 mph
Precip: 4%
Wed
10:00am
Wed 10:00am: Mostly Cloudy
Mostly Cloudy
66°F
Dew Pt 63°F
Wind from E E 7 mph
Precip: 8%
Wed
11:00am
Wed 11:00am: Mostly Cloudy
Mostly Cloudy
67°F
Dew Pt 63°F
Wind from E E 7 mph
Precip: 12%




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: 1    Low 

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

September:

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: 19 days, 11 hours, 3 minutes, 82%

Phase:

Waning Gibbous (82%)

Moon set:

8:18am

Moon rise:

9:38pm