Lexington Weather

Lexington, Massachusetts, USA

80°F

6/3/2026 12:45pm

Lexington Conditions: Clear
Temperature: 79.9°F / 26.6°C
Dew Point: 46.6°F
Relative Humidity: 31%
Wind: Calm, 10-min avg: Calm, gust: None
Barometer: 30.09 in Falling Slowly
Visibility: 10 miles
Rain Today: 0.00 in

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Current Conditions [‒] Current Conditions [+]

79.9°F Warmer than last hour.

26.6°C

Warm

Clear

Today: Hi 82 °F

Tonight: Lo 58 °F

Dew Point: 46.6°F Increased 1.6°F since last hour .

Humidity: 31% Decreased 1.0% since last hour.

Air Quality Index: 35

Good

(Ozone)

Barometer: 30.09 in Falling 0.02 inHg/hr

1019 mb

Rain Rate: 0.00 in/hr

Rain Today: 0.00 in

Rain Tuesday: 0.00 in

Visibility: 10 miles

Wind:

Now: Calm

Avg: Calm

Gusts: 0 mph

OTHER PERSONAL WEATHER STATIONS

REGIONAL CONDITIONS

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

Issued by:
National Weather Service Boston / Norton, MA
Point Forecast Updated Wed Jun 3, 2026 8:26am EDT

Overview:

- Quiet and dry stretch of weather today through the end of the work week.

- Potentially unsettled and cooler conditions this weekend into early next week.

Today:

Sunny

Hi 82 °F

Sunny, with a high near 82. Northwest wind around 5 mph.

Tonight:

Clear

Lo 58 °F

Clear, with a low around 58. South wind 3 to 7 mph.

Thursday:

Sunny

Hi 88 °F

Sunny, with a high near 88. West wind 3 to 7 mph.

Thursday Night:

Mostly Clear

Lo 62 °F

Mostly clear, with a low around 62. West wind around 6 mph.

Friday:

Mostly Sunny

Hi 90 °F

Mostly sunny, with a high near 90. West wind 5 to 8 mph.

Friday Night:

Partly Cloudy

Lo 68 °F

Partly cloudy, with a low around 68. West wind around 6 mph.

Saturday:

Partly Sunny then Slight Chance Rain Showers

Hi 89 °F

A slight chance of rain showers after 4pm. Partly sunny, with a high near 89. West wind 5 to 10 mph.

Saturday Night:

Chance Showers And T-Storms

Lo 63 °F

Saturday Night: Chance Showers And Thunderstorms

A slight chance of rain showers before 8pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. West wind 3 to 8 mph. Chance of precipitation is 50%.

Sunday:

Showers And T-Storms Likely

Hi 75 °F

Sunday: Showers And Thunderstorms Likely

Showers and thunderstorms likely. Mostly cloudy, with a high near 75. Northwest wind 5 to 10 mph. Chance of precipitation is 70%.

Sunday Night:

Showers And T-Storms Likely

Lo 52 °F

Sunday Night: Showers And Thunderstorms Likely

Showers and thunderstorms likely. Mostly cloudy, with a low around 52. Northeast wind around 9 mph. Chance of precipitation is 70%.

Monday:

Chance Rain Showers

Hi 68 °F

A chance of rain showers. Mostly sunny, with a high near 68. Northeast wind around 10 mph. Chance of precipitation is 30%.

Monday Night:

Slight Chance Rain Showers

Lo 53 °F

A slight chance of rain showers. Partly cloudy, with a low around 53. Northeast wind 5 to 8 mph.

Tuesday:

Slight Chance Rain Showers

Hi 74 °F

A slight chance of rain showers before 3pm. Mostly sunny, with a high near 74. Northeast wind around 7 mph.

Tuesday Night:

Partly Cloudy

Lo 57 °F

Partly cloudy, with a low around 57. North wind around 6 mph.

FULL FORECAST

NWS Hourly Forecast -
Today 12pm through Thu 11pm

Issued by:
National Weather Service Boston / Norton, MA
Updated Wed Jun 3, 2026 8:26am EDT

12:00pm

Sunny

77°F
Dew Pt 46°F
Wind from NW

NW 5 mph
Precip: 1%

1:00pm

Sunny

78°F
Dew Pt 46°F
Wind from NW

NW 5 mph
Precip: 1%

2:00pm

Sunny

80°F
Dew Pt 46°F
Wind from NW

NW 5 mph
Precip: 1%

3:00pm

Sunny

80°F
Dew Pt 47°F
Wind from N

N 5 mph
Precip: 1%

4:00pm

Sunny

80°F
Dew Pt 48°F
Wind from N

N 3 mph
Precip: 1%

5:00pm

Sunny

81°F
Dew Pt 48°F
Wind from E

E 3 mph
Precip: 1%

6:00pm

Clear

79°F
Dew Pt 49°F
Wind from SE

SE 3 mph
Precip: 1%

7:00pm

Clear

76°F
Dew Pt 50°F
Wind from S

S 5 mph
Precip: 1%

8:00pm

Clear

73°F
Dew Pt 50°F
Wind from S

S 6 mph
Precip: 1%

9:00pm

Clear

67°F
Dew Pt 49°F
Wind from S

S 7 mph
Precip: 2%

10:00pm

Clear

65°F
Dew Pt 48°F
Wind from SW

SW 7 mph
Precip: 2%

11:00pm

Clear

64°F
Dew Pt 47°F
Wind from SW

SW 7 mph
Precip: 1%

Thu
12:00am

Mostly Clear

63°F
Dew Pt 46°F
Wind from SW

SW 7 mph
Precip: 1%

Thu
1:00am

Clear

61°F
Dew Pt 46°F
Wind from SW

SW 6 mph
Precip: 1%

Thu
2:00am

Clear

60°F
Dew Pt 46°F
Wind from SW

SW 6 mph
Precip: 0%

Thu
3:00am

Clear

59°F
Dew Pt 47°F
Wind from SW

SW 5 mph
Precip: 0%

Thu
4:00am

Clear

58°F
Dew Pt 47°F
Wind from SW

SW 5 mph
Precip: 1%

Thu
5:00am

Clear

58°F
Dew Pt 47°F
Wind from SW

SW 5 mph
Precip: 1%

Thu
6:00am

Sunny

59°F
Dew Pt 48°F
Wind from SW

SW 3 mph
Precip: 1%

Thu
7:00am

Sunny

61°F
Dew Pt 50°F
Wind from W

W 3 mph
Precip: 1%

Thu
8:00am

Sunny

64°F
Dew Pt 52°F
Wind from W

W 5 mph
Precip: 0%

Thu
9:00am

Sunny

71°F
Dew Pt 53°F
Wind from W

W 3 mph
Precip: 0%

Thu
10:00am

Sunny

76°F
Dew Pt 54°F
Wind from W

W 3 mph
Precip: 0%

Thu
11:00am

Sunny

80°F
Dew Pt 54°F
Wind from W

W 6 mph
Precip: 0%

Thu
12:00pm

Sunny

83°F
Dew Pt 53°F
Wind from W

W 6 mph
Precip: 0%

Thu
1:00pm

Sunny

85°F
Dew Pt 52°F
Wind from W

W 7 mph
Precip: 0%

Thu
2:00pm

Sunny

86°F
Dew Pt 52°F
Wind from W

W 7 mph
Precip: 0%

Thu
3:00pm

Sunny

86°F
Dew Pt 52°F
Wind from W

W 7 mph
Precip: 0%

Thu
4:00pm

Sunny

87°F
Dew Pt 51°F
Wind from W

W 7 mph
Precip: 0%

Thu
5:00pm

Sunny

88°F
Dew Pt 51°F
Wind from W

W 7 mph
Precip: 0%

Thu
6:00pm

Mostly Clear

85°F
Dew Pt 53°F
Wind from W

W 6 mph
Precip: 0%

Thu
7:00pm

Partly Cloudy

83°F
Dew Pt 54°F
Wind from W

W 6 mph
Precip: 0%

Thu
8:00pm

Mostly Clear

79°F
Dew Pt 54°F
Wind from W

W 6 mph
Precip: 0%

Thu
9:00pm

Mostly Clear

73°F
Dew Pt 53°F
Wind from W

W 6 mph
Precip: 0%

Thu
10:00pm

Mostly Clear

70°F
Dew Pt 52°F
Wind from W

W 6 mph
Precip: 0%

Thu
11:00pm

Mostly Clear

69°F
Dew Pt 52°F
Wind from W

W 6 mph
Precip: 0%

VIEW ON NWS WEB SITE

FORECAST DISCUSSION

Area Forecast Discussion
for Boston / Norton, MA

        No Area Forecast Discussion available.

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Radar [‒] Radar [+]

Radar images courtesy Weather Underground / Intellicast.

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Satellite [‒] Satellite [+]

Satellite images courtesy Weather Underground / Intellicast.

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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

Tuesday:

0.00 in

June:

9.88 in

2026

51.1 in

Season Snow:

Daily Extremes [‒] Daily Extremes [+]

12:44pm

79.9°F

High today:

5:43am

55.8°F

Low today:

1:20pm

73.4°F

High Tuesday:

5:51am

45.9°F

Low Tuesday:

5:51am

45.9°F

Low wind chill Tuesday:

12:06pm

52.7°F

High dew pt today:

12:16pm

51.8°F

High dew pt Tuesday:

10:11am

4 mph

Wind gust today:

11:20am

4 mph

Wind gust Tuesday:

MORE EXTREMES

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

No alerts/warnings active for Southeast Middlesex County.

Sun / Moon [‒] Sun / Moon [+]

First Light:

4:35am

Sunrise:

5:09am

Sunset:

8:17pm

Twilight ends:

8:51pm

Daylight length:

15 hours 8 minutes

Waning Gibbous, Moon age: 17 days, 20 hours, 44 minutes, 90%

Phase:

Waning Gibbous (90%)

Moon set:

7:25am

Moon rise:

11:21pm

Current Conditions [‒] Current Conditions [+]

Forecast [‒] Forecast [+]

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

Overview:

Today:

Tonight:

Thursday:

Thursday Night:

Friday:

Friday Night:

Saturday:

Saturday Night:

Sunday:

Sunday Night:

Monday:

Monday Night:

Tuesday:

Tuesday Night:

NWS Hourly Forecast - Today 12pm through Thu 11pm

Area Forecast Discussion for Boston / Norton, MA

Radar [‒] Radar [+]

Satellite [‒] Satellite [+]

UV Forecast [‒] UV Forecast [+]

UV Index forecast from the Environmental Protection Agency

Precipitation [‒] Precipitation [+]

Daily Extremes [‒] Daily Extremes [+]

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

Sun / Moon [‒] Sun / Moon [+]

Social Media - Mastodon [‒] Social Media - Mastodon [+]

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

NWS Hourly Forecast -
Today 12pm through Thu 11pm

Area Forecast Discussion
for Boston / Norton, MA