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Lexington Weather

Lexington, Massachusetts, USA

63°F
7/19/2025 1:14am 
  • Lexington Conditions: Clear
  • Temperature: 63.3°F / 17.4°CColder 2.0°F than last hour.
  • Dew Point: 54.5°FDecreased 0.7°Fsince last hour.
  • Relative Humidity: 73%Increased 3.0% since last hour.
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 30.05 in Steady
  • Visibility: 10 miles
  • Rain Today: 0.00 in
  •   

Current Conditions [‒] Current Conditions [+]

63.3°F Colder than last hour.

17.4°C

 

 Comfortable 

Clear

Clear

Tonight:  Lo 56 °F

Saturday:  Hi 86 °F

 

Dew Point:  54.5°F Decreased 0.7°F since last hour.

Humidity:  73% Increased 3.0% since last hour.

Barometer:  30.05 in S

1018 mb

 

Rain Rate:  0.00 in/hr

Rain Today:  0.00 in

Rain Friday 0.00 in

Visibility: 10 miles

Wind:

Now: Calm

Avg: Calm

Gusts: 0 mph

Calm wind


Forecast [‒] Forecast [+]

NWS Weather Forecast -
Tonight, Saturday, & Saturday Night through Friday

Issued by:
National Weather Service Boston / Norton, MA
Point Forecast Updated Fri Jul 18, 2025 10:57pm EDT


Overview:

Dry and pleasant weather with comfortable humidity levels continues tonight into Saturday. Another cold front may bring scattered showers and a few thunderstorms to the region toward daybreak Sunday with perhaps another round sometime late Sunday into Sunday evening. Much less humid along with cooler than normal temperatures and dry weather for early next week. Warming trend then begins around the middle of next week, with heat and humidity returning for Thursday and Friday.


Tonight:

Clear

Lo 56 °F

Tonight: Clear

Clear, with a low around 56. Northwest wind around 2 mph.


Saturday:

Sunny

Hi 86 °F

Saturday: Sunny

Sunny, with a high near 86. East wind 2 to 10 mph.


Saturday Night:

Partly Cloudy then Chance Showers And T-Storms

Lo 70 °F

Saturday Night: Partly Cloudy then Chance Showers And Thunderstorms

A chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 70. South wind around 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.


Sunday:

Showers And T-Storms Likely

Hi 84 °F

Sunday: Showers And Thunderstorms Likely

A chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 11am, then showers and thunderstorms likely. Mostly cloudy, with a high near 84. Southwest wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.


Sunday Night:

Showers And T-Storms Likely then Partly Cloudy

Lo 63 °F

Sunday Night: Showers And Thunderstorms Likely then Partly Cloudy

Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms between 7pm and 8pm, then a chance of showers and thunderstorms between 8pm and 10pm, then a slight chance of showers and thunderstorms between 10pm and 11pm. Partly cloudy, with a low around 63. Northwest wind around 7 mph. Chance of precipitation is 60%.


Monday:

Sunny

Hi 78 °F

Monday: Sunny

Sunny, with a high near 78. Northwest wind around 9 mph.


Monday Night:

Mostly Clear

Lo 56 °F

Monday Night: Mostly Clear

Mostly clear, with a low around 56. North wind around 7 mph.


Tuesday:

Sunny

Hi 79 °F

Tuesday: Sunny

Sunny, with a high near 79. North wind around 6 mph.


Tuesday Night:

Partly Cloudy

Lo 60 °F

Tuesday Night: Partly Cloudy

Partly cloudy, with a low around 60. South wind around 6 mph.


Wednesday:

Mostly Sunny

Hi 83 °F

Wednesday: Mostly Sunny

Mostly sunny, with a high near 83. Southwest wind 3 to 8 mph.


Wednesday Night:

Mostly Cloudy then Slight Chance Rain Showers

Lo 68 °F

Wednesday Night: Mostly Cloudy then Slight Chance Rain Showers

A slight chance of rain showers after 5am. Mostly cloudy, with a low around 68. South wind around 8 mph.


Thursday:

Slight Chance Rain Showers then Slight Chance Showers And T-Storms

Hi 87 °F

Thursday: Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms

A slight chance of rain showers before 2pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 87. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.


Thursday Night:

Chance Showers And T-Storms

Lo 72 °F

Thursday Night: Chance Showers And Thunderstorms

A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Southwest wind 6 to 10 mph. Chance of precipitation is 40%.


Friday:

Slight Chance Rain Showers then Slight Chance Showers And T-Storms

Hi 90 °F

Friday: Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms

A slight chance of rain showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 5pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 90. West wind around 8 mph.


NWS Hourly Forecast -
Today 1am through Sun 12pm

Issued by:
National Weather Service Boston / Norton, MA
Updated Fri Jul 18, 2025 10:57pm EDT

 
1:00am
Sat 1:00am: Clear
Clear
62°F
Dew Pt 54°F
Wind from NW NW 2 mph
Precip: 0%
 
2:00am
Sat 2:00am: Clear
Clear
60°F
Dew Pt 54°F
Wind from NW NW 2 mph
Precip: 0%
 
3:00am
Sat 3:00am: Clear
Clear
58°F
Dew Pt 54°F
Wind from NW NW 2 mph
Precip: 0%
 
4:00am
Sat 4:00am: Clear
Clear
57°F
Dew Pt 54°F
Wind from N N 2 mph
Precip: 0%
 
5:00am
Sat 5:00am: Clear
Clear
57°F
Dew Pt 53°F
Wind from N N 2 mph
Precip: 0%
 
6:00am
Sat 6:00am: Sunny
Sunny
59°F
Dew Pt 54°F
Wind from N N 2 mph
Precip: 0%
 
7:00am
Sat 7:00am: Sunny
Sunny
63°F
Dew Pt 55°F
Wind from N N 2 mph
Precip: 0%
 
8:00am
Sat 8:00am: Sunny
Sunny
68°F
Dew Pt 56°F
Wind from NE NE 2 mph
Precip: 0%
 
9:00am
Sat 9:00am: Sunny
Sunny
72°F
Dew Pt 57°F
Wind from E E 3 mph
Precip: 0%
 
10:00am
Sat 10:00am: Sunny
Sunny
77°F
Dew Pt 57°F
Wind from S S 6 mph
Precip: 0%
 
11:00am
Sat 11:00am: Sunny
Sunny
80°F
Dew Pt 57°F
Wind from SW SW 7 mph
Precip: 0%
 
12:00pm
Sat 12:00pm: Sunny
Sunny
83°F
Dew Pt 58°F
Wind from SW SW 8 mph
Precip: 0%
 
1:00pm
Sat 1:00pm: Sunny
Sunny
84°F
Dew Pt 57°F
Wind from S S 8 mph
Precip: 0%
 
2:00pm
Sat 2:00pm: Mostly Sunny
Mostly Sunny
85°F
Dew Pt 58°F
Wind from S S 9 mph
Precip: 0%
 
3:00pm
Sat 3:00pm: Sunny
Sunny
85°F
Dew Pt 59°F
Wind from S S 9 mph
Precip: 0%
 
4:00pm
Sat 4:00pm: Sunny
Sunny
86°F
Dew Pt 60°F
Wind from S S 10 mph
Precip: 0%
 
5:00pm
Sat 5:00pm: Sunny
Sunny
85°F
Dew Pt 60°F
Wind from S S 10 mph
Precip: 0%
 
6:00pm
Sat 6:00pm: Mostly Clear
Mostly Clear
83°F
Dew Pt 62°F
Heat Index: 84°F
Wind from S S 10 mph
Precip: 0%
 
7:00pm
Sat 7:00pm: Partly Cloudy
Partly Cloudy
81°F
Dew Pt 62°F
Heat Index: 82°F
Wind from S S 9 mph
Precip: 0%
 
8:00pm
Sat 8:00pm: Partly Cloudy
Partly Cloudy
79°F
Dew Pt 63°F
Wind from S S 9 mph
Precip: 2%
 
9:00pm
Sat 9:00pm: Partly Cloudy
Partly Cloudy
76°F
Dew Pt 64°F
Wind from S S 9 mph
Precip: 4%
 
10:00pm
Sat 10:00pm: Partly Cloudy
Partly Cloudy
75°F
Dew Pt 64°F
Wind from S S 9 mph
Precip: 6%
 
11:00pm
Sat 11:00pm: Partly Cloudy
Partly Cloudy
73°F
Dew Pt 64°F
Wind from S S 9 mph
Precip: 8%
Sun
12:00am
Sun 12:00am: Partly Cloudy
Partly Cloudy
72°F
Dew Pt 64°F
Wind from S S 9 mph
Precip: 11%
Sun
1:00am
Sun 1:00am: Mostly Cloudy
Mostly Cloudy
71°F
Dew Pt 65°F
Wind from S S 8 mph
Precip: 14%
Sun
2:00am
Sun 2:00am: Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms
71°F
Dew Pt 65°F
Wind from S S 8 mph
Precip: 18%
Rain: 0.01 in
Sun
3:00am
Sun 3:00am: Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms
71°F
Dew Pt 65°F
Wind from S S 8 mph
Precip: 21%
Rain: 0.01 in
Sun
4:00am
Sun 4:00am: Slight Chance Showers And Thunderstorms
Slight Chance Showers And Thunderstorms
71°F
Dew Pt 65°F
Wind from S S 8 mph
Precip: 24%
Rain: 0.01 in
Sun
5:00am
Sun 5:00am: Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
71°F
Dew Pt 66°F
Wind from S S 8 mph
Precip: 27%
Rain: 0.01 in
Sun
6:00am
Sun 6:00am: Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
71°F
Dew Pt 66°F
Wind from S S 8 mph
Precip: 31%
Rain: 0.01 in
Sun
7:00am
Sun 7:00am: Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
72°F
Dew Pt 68°F
Wind from S S 8 mph
Precip: 35%
Rain: 0.01 in
Sun
8:00am
Sun 8:00am: Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
73°F
Dew Pt 69°F
Wind from S S 8 mph
Precip: 39%
Rain: 0.01 in
Sun
9:00am
Sun 9:00am: Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
74°F
Dew Pt 70°F
Wind from S S 8 mph
Precip: 42%
Rain: 0.01 in
Sun
10:00am
Sun 10:00am: Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
76°F
Dew Pt 70°F
Wind from SW SW 8 mph
Precip: 46%
Rain: 0.02 in
Sun
11:00am
Sun 11:00am: Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
78°F
Dew Pt 71°F
Wind from SW SW 8 mph
Precip: 50%
Rain: 0.02 in
Sun
12:00pm
Sun 12:00pm: Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
80°F
Dew Pt 71°F
Heat Index: 83°F
Wind from SW SW 8 mph
Precip: 53%
Rain: 0.02 in




Radar [‒] Radar [+]

Satellite [‒] Satellite [+]

Satellite images courtesy Weather Underground / Intellicast.

GOES East  

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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: 9    Very High 

Current (Estimated): 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:

0.00 in

Rain Today:

0.00 in

Friday:

1.51 in

July:

24.41 in

2025

Daily Extremes [‒] Daily Extremes [+]

12:00am

65.7°F

High today:

1:11am

63.3°F

Low today:

12:00am

81.1°F

High Friday:

11:56pm

65.7°F

Low Friday:

12:02am

55.9°F

High dew pt today:

12:00am

68.7°F

High dew pt Friday:

12:00am

84.2°F

High heat index Friday:

 

None

Wind gust today:

12:03am

10 mph

Wind gust Friday:


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

Sun / Moon [‒] Sun / Moon [+]

Sun

First Light:

4:52am

Sunrise:

5:25am

Sunset:

8:17pm

Twilight ends:

8:51pm

Daylight length:

14 hours 52 minutes

Waning Crescent, Moon age: 23 days, 18 hours, 43 minutes, 37%

Phase:

Waning Crescent (37%)

Moon rise:

12:15am

Moon set:

3:30pm


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