Old Res Weather

Lexington, Massachusetts, USA

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

Mostly cloudy

Mostly cloudy

This Afternoon:  Hi 81 °F

Tonight:  Lo 63 °F

 

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

Humidity:  90%  

 

UV Index:  0.0   None

 

Air Quality Index: 29

 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 Thursday 0.00 in

Visibility: 10 miles

Wind:

Now: Calm

Avg: Calm

Gusts: 0 mph

Calm wind


Forecast [‒] Forecast [+]

NWS Weather Forecast -
This Afternoon, Tonight, & Saturday through Thursday Night

Issued by:
National Weather Service Boston / Norton, MA
Point Forecast Updated Fri Jul 31, 2026 3:45pm EDT


Overview:

- Drier and warmer Friday with only some scattered afternoon showers and a mix of clouds and sun.

- A cold front brings the return of rain Sunday night and Monday, perhaps lingering into Tuesday.

- Drying and warming trend toward Wed/Thu.


This Afternoon:

Isolated Showers And T-Storms

Hi 81 °F

This Afternoon: Isolated Showers And Thunderstorms

Isolated showers and thunderstorms. Partly sunny, with a high near 81. South wind around 3 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.


Tonight:

Isolated Showers And T-Storms then Patchy Fog

Lo 63 °F

Tonight: Isolated Showers And Thunderstorms then Patchy Fog

Isolated showers and thunderstorms before 8pm, then patchy fog. Mostly clear, with a low around 63. Southwest wind around 3 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.


Saturday:

Patchy Fog then Mostly Sunny

Hi 84 °F

Saturday: Patchy Fog then Mostly Sunny

Patchy fog before 9am. Mostly sunny, with a high near 84. Southwest wind 2 to 7 mph.


Saturday Night:

Mostly Cloudy

Lo 64 °F

Saturday Night: Mostly Cloudy

Mostly cloudy, with a low around 64. South wind around 7 mph.


Sunday:

Partly Sunny

Hi 86 °F

Sunday: Partly Sunny

Partly sunny, with a high near 86. South wind 6 to 10 mph.


Sunday Night:

Mostly Cloudy then Chance Rain Showers

Lo 67 °F

Sunday Night: Mostly Cloudy then Chance Rain Showers

A chance of rain showers after 2am. Mostly cloudy, with a low around 67. South wind 5 to 10 mph. Chance of precipitation is 40%.


Monday:

Showers And T-Storms

Hi 83 °F

Monday: Showers And Thunderstorms

Rain showers likely before 2pm, then showers and thunderstorms. Mostly cloudy, with a high near 83. South wind 5 to 9 mph. Chance of precipitation is 80%.


Monday Night:

Showers And T-Storms Likely then Chance Showers And T-Storms

Lo 66 °F

Monday Night: Showers And Thunderstorms Likely then Chance Showers And Thunderstorms

Showers and thunderstorms likely before 10pm, then a chance of showers and thunderstorms between 10pm and 2am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Southwest wind 5 to 8 mph. Chance of precipitation is 70%.


Tuesday:

Chance Showers And T-Storms

Hi 82 °F

Tuesday: Chance Showers And Thunderstorms

A chance of showers and thunderstorms. Partly sunny, with a high near 82. Northeast wind around 7 mph. Chance of precipitation is 40%.


Tuesday Night:

Chance Showers And T-Storms

Lo 64 °F

Tuesday Night: Chance Showers And Thunderstorms

A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind around 6 mph. Chance of precipitation is 30%.


Wednesday:

Chance Rain Showers

Hi 84 °F

Wednesday: Chance Rain Showers

A chance of rain showers. Partly sunny, with a high near 84. East wind 3 to 7 mph. Chance of precipitation is 40%.


Wednesday Night:

Chance Rain Showers

Lo 68 °F

Wednesday Night: Chance Rain Showers

A chance of rain showers. Partly cloudy, with a low around 68. South wind around 6 mph. Chance of precipitation is 30%.


Thursday:

Chance Showers And T-Storms

Hi 87 °F

Thursday: Chance Showers And Thunderstorms

A slight chance of rain showers before 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. Southwest wind 5 to 9 mph. Chance of precipitation is 50%.


Thursday Night:

Chance Showers And T-Storms then Partly Cloudy

Lo 70 °F

Thursday Night: Chance Showers And Thunderstorms then Partly Cloudy

A chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 70. Southwest wind 5 to 9 mph.


NWS Hourly Forecast -
Today 4pm through Sun 3am

Issued by:
National Weather Service Boston / Norton, MA
Updated Fri Jul 31, 2026 3:45pm EDT

 
4:00pm
Fri 4:00pm: Isolated Showers And Thunderstorms
Isolated Showers And Thunderstorms
79°F
Dew Pt 67°F
Wind from S S 3 mph
Precip: 20%
 
5:00pm
Fri 5:00pm: Isolated Showers And Thunderstorms
Isolated Showers And Thunderstorms
79°F
Dew Pt 67°F
Wind from SW SW 3 mph
Precip: 20%
 
6:00pm
Fri 6:00pm: Isolated Showers And Thunderstorms
Isolated Showers And Thunderstorms
77°F
Dew Pt 67°F
Wind from SW SW 3 mph
Precip: 20%
 
7:00pm
Fri 7:00pm: Isolated Showers And Thunderstorms
Isolated Showers And Thunderstorms
76°F
Dew Pt 67°F
Wind from SW SW 3 mph
Precip: 15%
 
8:00pm
Fri 8:00pm: Mostly Cloudy
Mostly Cloudy
75°F
Dew Pt 66°F
Wind from SW SW 3 mph
Precip: 10%
 
9:00pm
Fri 9:00pm: Mostly Clear
Mostly Clear
71°F
Dew Pt 66°F
Wind from SW SW 3 mph
Precip: 4%
Rain: 0.01 in
 
10:00pm
Fri 10:00pm: Mostly Clear
Mostly Clear
70°F
Dew Pt 66°F
Wind from SW SW 3 mph
Precip: 3%
 
11:00pm
Fri 11:00pm: Mostly Clear
Mostly Clear
69°F
Dew Pt 66°F
Wind from SW SW 3 mph
Precip: 2%
Sat
12:00am
Sat 12:00am: Mostly Clear
Mostly Clear
68°F
Dew Pt 66°F
Wind from SW SW 3 mph
Precip: 2%
Sat
1:00am
Sat 1:00am: Mostly Clear
Mostly Clear
67°F
Dew Pt 66°F
Wind from SW SW 3 mph
Precip: 1%
Sat
2:00am
Sat 2:00am: Patchy Fog
Patchy Fog
66°F
Dew Pt 65°F
Wind from W W 3 mph
Precip: 1%
Sat
3:00am
Sat 3:00am: Patchy Fog
Patchy Fog
65°F
Dew Pt 64°F
Wind from W W 3 mph
Precip: 1%
Sat
4:00am
Sat 4:00am: Patchy Fog
Patchy Fog
65°F
Dew Pt 64°F
Wind from W W 3 mph
Precip: 1%
Sat
5:00am
Sat 5:00am: Patchy Fog
Patchy Fog
65°F
Dew Pt 63°F
Wind from W W 3 mph
Precip: 1%
Sat
6:00am
Sat 6:00am: Patchy Fog
Patchy Fog
64°F
Dew Pt 63°F
Wind from W W 3 mph
Precip: 1%
Sat
7:00am
Sat 7:00am: Patchy Fog
Patchy Fog
65°F
Dew Pt 65°F
Wind from W W 2 mph
Precip: 1%
Sat
8:00am
Sat 8:00am: Patchy Fog
Patchy Fog
69°F
Dew Pt 66°F
Wind from NW NW 2 mph
Precip: 0%
Sat
9:00am
Sat 9:00am: Sunny
Sunny
72°F
Dew Pt 68°F
Wind from W W 2 mph
Precip: 0%
Sat
10:00am
Sat 10:00am: Sunny
Sunny
77°F
Dew Pt 68°F
Wind from W W 2 mph
Precip: 0%
Sat
11:00am
Sat 11:00am: Sunny
Sunny
80°F
Dew Pt 69°F
Heat Index: 84°F
Wind from SW SW 3 mph
Precip: 0%
Sat
12:00pm
Sat 12:00pm: Sunny
Sunny
82°F
Dew Pt 68°F
Heat Index: 85°F
Wind from S S 3 mph
Precip: 0%
Sat
1:00pm
Sat 1:00pm: Sunny
Sunny
83°F
Dew Pt 67°F
Heat Index: 86°F
Wind from S S 5 mph
Precip: 0%
Sat
2:00pm
Sat 2:00pm: Mostly Sunny
Mostly Sunny
84°F
Dew Pt 67°F
Heat Index: 87°F
Wind from S S 6 mph
Precip: 1%
Sat
3:00pm
Sat 3:00pm: Partly Sunny
Partly Sunny
84°F
Dew Pt 68°F
Heat Index: 87°F
Wind from S S 6 mph
Precip: 3%
Sat
4:00pm
Sat 4:00pm: Partly Sunny
Partly Sunny
84°F
Dew Pt 68°F
Heat Index: 87°F
Wind from SE SE 6 mph
Precip: 5%
Sat
5:00pm
Sat 5:00pm: Partly Sunny
Partly Sunny
84°F
Dew Pt 68°F
Heat Index: 86°F
Wind from SE SE 7 mph
Precip: 4%
Rain: 0.01 in
Sat
6:00pm
Sat 6:00pm: Mostly Cloudy
Mostly Cloudy
82°F
Dew Pt 68°F
Heat Index: 85°F
Wind from S S 7 mph
Precip: 3%
Sat
7:00pm
Sat 7:00pm: Mostly Cloudy
Mostly Cloudy
80°F
Dew Pt 69°F
Heat Index: 83°F
Wind from S S 7 mph
Precip: 1%
Sat
8:00pm
Sat 8:00pm: Mostly Cloudy
Mostly Cloudy
79°F
Dew Pt 67°F
Wind from S S 7 mph
Precip: 0%
Sat
9:00pm
Sat 9:00pm: Mostly Cloudy
Mostly Cloudy
75°F
Dew Pt 67°F
Wind from S S 6 mph
Precip: 0%
Sat
10:00pm
Sat 10:00pm: Mostly Cloudy
Mostly Cloudy
74°F
Dew Pt 67°F
Wind from S S 6 mph
Precip: 0%
Sat
11:00pm
Sat 11:00pm: Mostly Cloudy
Mostly Cloudy
73°F
Dew Pt 68°F
Wind from S S 6 mph
Precip: 0%
Sun
12:00am
Sun 12:00am: Mostly Cloudy
Mostly Cloudy
72°F
Dew Pt 68°F
Wind from S S 6 mph
Precip: 0%
Sun
1:00am
Sun 1:00am: Cloudy
Cloudy
71°F
Dew Pt 67°F
Wind from S S 6 mph
Precip: 0%
Sun
2:00am
Sun 2:00am: Mostly Cloudy
Mostly Cloudy
70°F
Dew Pt 67°F
Wind from S S 6 mph
Precip: 0%
Sun
3:00am
Sun 3:00am: Mostly Cloudy
Mostly Cloudy
69°F
Dew Pt 67°F
Wind from SW SW 6 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

Thursday:

0.01 in

July:

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 Thursday:

7:11am

16.2°F

Low Thursday:

12:00am

25.2°F

Low wind chill today:

7:11am

16.2°F

Low wind chill Thursday:

1:17pm

33.3°F

High dew pt today:

11:56pm

20.7°F

High dew pt Thursday:

 

None

Wind gust today:

 

None

Wind gust Thursday:


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: 17 days, 10 hours, 33 minutes, 82%

Phase:

Waning Gibbous (82%)

Moon set:

8:18am

Moon rise:

9:38pm