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Lexington Weather

Lexington, Massachusetts, USA

81°F
7/10/2026 12:28pm 
  • Lexington Conditions: Few Clouds
  • Temperature: 81.1°F / 27.3°C 
  • Dew Point: 70.3°F 
  • Feels Like: 84.9°F
  • Relative Humidity: 70
  • Wind: Wind from NNW NNW Calm, 10-min avg: 1 mph, gust: 2 mph
  • Barometer: 29.71 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Current Conditions [‒] Current Conditions [+]

81.1°F  

27.3°C

Feels like 84.9°F

 Hot 

Few Clouds

Few Clouds

Today:  Hi 89 °F

Tonight:  Lo 66 °F

 

Dew Point:  70.3°F  

Humidity:  70%  

 

Air Quality Index: 38

 Good 

(Ozone)

Barometer:  29.71 in S

1006 mb

 

Rain Rate:  0.00 in/hr

Rain Today:  0.00 in

Rain Thursday 0.00 in

Visibility: 10 miles

Wind:

Now: Calm

Avg: 1 mph

Gusts: 2 mph

Wind from NNW


Forecast [‒] Forecast [+]

NWS Weather Forecast -
Today, Tonight, & Saturday through Thursday Night

Issued by:
National Weather Service Boston / Norton, MA
Point Forecast Updated Fri Jul 10, 2026 7:13am EDT


Overview:

- Another warm and humid day today with a chance for isolated showers and storms.

- Dry and seasonable weather with low humidity levels this weekend into Monday.

- Heat and humidity return by midweek.


Today:

Mostly Sunny

Hi 89 °F

Today: Mostly Sunny

Mostly sunny, with a high near 89. Northwest wind 6 to 9 mph.


Tonight:

Partly Cloudy

Lo 66 °F

Tonight: Partly Cloudy

Partly cloudy, with a low around 66. North wind 2 to 7 mph.


Saturday:

Mostly Sunny

Hi 84 °F

Saturday: Mostly Sunny

Mostly sunny, with a high near 84. Northeast wind 3 to 7 mph.


Saturday Night:

Mostly Clear

Lo 63 °F

Saturday Night: Mostly Clear

Mostly clear, with a low around 63. North wind 2 to 6 mph.


Sunday:

Sunny

Hi 82 °F

Sunday: Sunny

Sunny, with a high near 82. Northeast wind around 7 mph.


Sunday Night:

Mostly Clear

Lo 64 °F

Sunday Night: Mostly Clear

Mostly clear, with a low around 64. South wind around 6 mph.


Monday:

Sunny

Hi 90 °F

Monday: Sunny

Sunny, with a high near 90. Southwest wind 3 to 10 mph.


Monday Night:

Mostly Clear

Lo 68 °F

Monday Night: Mostly Clear

Mostly clear, with a low around 68. Southwest wind 7 to 10 mph.


Tuesday:

Sunny

Hi 94 °F

Tuesday: Sunny

Sunny, with a high near 94. Southwest wind 7 to 12 mph.


Tuesday Night:

Mostly Clear

Lo 76 °F

Tuesday Night: Mostly Clear

Mostly clear, with a low around 76. Southwest wind around 10 mph.


Wednesday:

Mostly Sunny then Slight Chance Showers And T-Storms

Hi 94 °F

Wednesday: Mostly Sunny then Slight Chance Showers And Thunderstorms

A slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 94. West wind 8 to 12 mph.


Wednesday Night:

Slight Chance Showers And T-Storms

Lo 70 °F

Wednesday Night: Slight Chance Showers And Thunderstorms

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. West wind 5 to 9 mph.


Thursday:

Slight Chance Rain Showers then Mostly Sunny

Hi 91 °F

Thursday: Slight Chance Rain Showers then Mostly Sunny

A slight chance of rain showers before 7am. Mostly sunny, with a high near 91. Northwest wind 5 to 9 mph.


Thursday Night:

Partly Cloudy

Lo 70 °F

Thursday Night: Partly Cloudy

Partly cloudy, with a low around 70. Northwest wind around 7 mph.


NWS Hourly Forecast -
Today 12pm through Sat 11pm

Issued by:
National Weather Service Boston / Norton, MA
Updated Fri Jul 10, 2026 7:13am EDT

 
12:00pm
Fri 12:00pm: Partly Sunny
Partly Sunny
85°F
Dew Pt 70°F
Heat Index: 90°F
Wind from NW NW 9 mph
Precip: 0%
 
1:00pm
Fri 1:00pm: Partly Sunny
Partly Sunny
87°F
Dew Pt 69°F
Heat Index: 91°F
Wind from NW NW 9 mph
Precip: 0%
 
2:00pm
Fri 2:00pm: Partly Sunny
Partly Sunny
87°F
Dew Pt 69°F
Heat Index: 91°F
Wind from NW NW 8 mph
Precip: 6%
 
3:00pm
Fri 3:00pm: Partly Sunny
Partly Sunny
87°F
Dew Pt 69°F
Heat Index: 91°F
Wind from NW NW 8 mph
Precip: 11%
 
4:00pm
Fri 4:00pm: Partly Sunny
Partly Sunny
87°F
Dew Pt 69°F
Heat Index: 91°F
Wind from NW NW 9 mph
Precip: 13%
 
5:00pm
Fri 5:00pm: Partly Sunny
Partly Sunny
85°F
Dew Pt 69°F
Heat Index: 89°F
Wind from NW NW 8 mph
Precip: 9%
 
6:00pm
Fri 6:00pm: Mostly Cloudy
Mostly Cloudy
83°F
Dew Pt 69°F
Heat Index: 87°F
Wind from NW NW 7 mph
Precip: 9%
 
7:00pm
Fri 7:00pm: Mostly Cloudy
Mostly Cloudy
83°F
Dew Pt 69°F
Heat Index: 87°F
Wind from N N 6 mph
Precip: 8%
 
8:00pm
Fri 8:00pm: Mostly Cloudy
Mostly Cloudy
78°F
Dew Pt 68°F
Wind from N N 3 mph
Precip: 4%
 
9:00pm
Fri 9:00pm: Partly Cloudy
Partly Cloudy
76°F
Dew Pt 68°F
Wind from NE NE 3 mph
Precip: 3%
 
10:00pm
Fri 10:00pm: Partly Cloudy
Partly Cloudy
75°F
Dew Pt 67°F
Wind from N N 2 mph
Precip: 7%
 
11:00pm
Fri 11:00pm: Partly Cloudy
Partly Cloudy
74°F
Dew Pt 67°F
Wind from N N 3 mph
Precip: 11%
Sat
12:00am
Sat 12:00am: Partly Cloudy
Partly Cloudy
73°F
Dew Pt 65°F
Wind from NW NW 3 mph
Precip: 10%
Sat
1:00am
Sat 1:00am: Partly Cloudy
Partly Cloudy
72°F
Dew Pt 64°F
Wind from N N 3 mph
Precip: 9%
Sat
2:00am
Sat 2:00am: Partly Cloudy
Partly Cloudy
71°F
Dew Pt 63°F
Wind from N N 3 mph
Precip: 9%
Sat
3:00am
Sat 3:00am: Partly Cloudy
Partly Cloudy
68°F
Dew Pt 62°F
Wind from N N 3 mph
Precip: 8%
Sat
4:00am
Sat 4:00am: Partly Cloudy
Partly Cloudy
68°F
Dew Pt 61°F
Wind from N N 3 mph
Precip: 8%
Sat
5:00am
Sat 5:00am: Mostly Clear
Mostly Clear
67°F
Dew Pt 60°F
Wind from N N 3 mph
Precip: 8%
Sat
6:00am
Sat 6:00am: Mostly Sunny
Mostly Sunny
67°F
Dew Pt 60°F
Wind from N N 3 mph
Precip: 9%
Sat
7:00am
Sat 7:00am: Mostly Sunny
Mostly Sunny
68°F
Dew Pt 61°F
Wind from N N 3 mph
Precip: 7%
Sat
8:00am
Sat 8:00am: Mostly Sunny
Mostly Sunny
71°F
Dew Pt 61°F
Wind from N N 5 mph
Precip: 6%
Sat
9:00am
Sat 9:00am: Sunny
Sunny
74°F
Dew Pt 61°F
Wind from NE NE 5 mph
Precip: 6%
Sat
10:00am
Sat 10:00am: Mostly Sunny
Mostly Sunny
78°F
Dew Pt 60°F
Wind from N N 6 mph
Precip: 9%
Sat
11:00am
Sat 11:00am: Partly Sunny
Partly Sunny
79°F
Dew Pt 60°F
Wind from NE NE 6 mph
Precip: 9%
Sat
12:00pm
Sat 12:00pm: Mostly Sunny
Mostly Sunny
81°F
Dew Pt 59°F
Wind from NE NE 6 mph
Precip: 9%
Sat
1:00pm
Sat 1:00pm: Mostly Sunny
Mostly Sunny
82°F
Dew Pt 59°F
Wind from NE NE 6 mph
Precip: 11%
Sat
2:00pm
Sat 2:00pm: Mostly Sunny
Mostly Sunny
82°F
Dew Pt 59°F
Wind from E E 7 mph
Precip: 1%
Sat
3:00pm
Sat 3:00pm: Mostly Sunny
Mostly Sunny
82°F
Dew Pt 59°F
Wind from E E 7 mph
Precip: 2%
Sat
4:00pm
Sat 4:00pm: Mostly Sunny
Mostly Sunny
82°F
Dew Pt 58°F
Wind from E E 7 mph
Precip: 3%
Sat
5:00pm
Sat 5:00pm: Mostly Sunny
Mostly Sunny
81°F
Dew Pt 58°F
Wind from E E 6 mph
Precip: 1%
Sat
6:00pm
Sat 6:00pm: Mostly Clear
Mostly Clear
80°F
Dew Pt 58°F
Heat Index: 81°F
Wind from E E 6 mph
Precip: 1%
Sat
7:00pm
Sat 7:00pm: Mostly Clear
Mostly Clear
78°F
Dew Pt 58°F
Wind from SE SE 5 mph
Precip: 0%
Sat
8:00pm
Sat 8:00pm: Mostly Clear
Mostly Clear
75°F
Dew Pt 58°F
Wind from SE SE 3 mph
Precip: 0%
Sat
9:00pm
Sat 9:00pm: Mostly Clear
Mostly Clear
72°F
Dew Pt 58°F
Wind from SE SE 2 mph
Precip: 0%
Sat
10:00pm
Sat 10:00pm: Mostly Clear
Mostly Clear
71°F
Dew Pt 58°F
Wind from SW SW 2 mph
Precip: 0%
Sat
11:00pm
Sat 11:00pm: Mostly Clear
Mostly Clear
69°F
Dew Pt 58°F
Wind from NW NW 2 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

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Weather Underground Infrared

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UV Forecast [‒] UV Forecast [+]

UV Index forecast from the Environmental Protection Agency

UV Index forecast high for today: 8    Very High 

Current (Estimated): 7    High 

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:

0.00 in

Rain Today:

0.00 in

Thursday:

2.48 in

July:

14.30 in

2026

Daily Extremes [‒] Daily Extremes [+]

11:53am

83.1°F

High today:

5:50am

72.5°F

Low today:

1:47pm

91.0°F

High Thursday:

5:03am

67.6°F

Low Thursday:

8:51am

72.9°F

High dew pt today:

6:44pm

73.9°F

High dew pt Thursday:

11:53am

88.1°F

High heat index today:

1:01pm

96.1°F

High heat index Thursday:

1:04am

10 mph

Wind gust today:

11:52am

10 mph

Wind gust Thursday:


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

Sun / Moon [‒] Sun / Moon [+]

Sun

First Light:

4:44am

Sunrise:

5:18am

Sunset:

8:23pm

Twilight ends:

8:57pm

Daylight length:

15 hours 6 minutes

Waning Crescent, Moon age: 25 days, 13 hours, 34 minutes, 20%

Phase:

Waning Crescent (20%)

Moon rise:

1:06am

Moon set:

4:50pm


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