National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

45°F

7°C

Humidity 52%
Wind Speed NW 6 mph
Barometer 30.22 in (1023.1 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 24 Nov 4:56 pm EST
Extended Forecast for

Westbrook CT

  • Tonight

    Tonight: Increasing clouds, with a low around 37. Northwest wind around 5 mph becoming south after midnight.

    Low: 37 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 30 percent chance of rain after 4pm. Cloudy, with a high near 56. Southwest wind 6 to 11 mph.

    High: 56 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly after 7pm. Temperature rising to around 54 by 3am. South wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 51 °F⇑

    Rain

  • Wednesday

    Wednesday: Showers likely, mainly before noon. Cloudy, with a high near 59. Southwest wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 39. West wind 7 to 15 mph.

    Low: 39 °F

    Chance
    Showers then
    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 43. Breezy.

    High: 43 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. Breezy.

    Low: 31 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 37. Northwest wind around 5 mph becoming south after midnight.
Tuesday
A 30 percent chance of rain after 4pm. Cloudy, with a high near 56. Southwest wind 6 to 11 mph.
Tuesday Night
Rain, mainly after 7pm. Temperature rising to around 54 by 3am. South wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, mainly before noon. Cloudy, with a high near 59. Southwest wind 7 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 30 percent chance of showers before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 39. West wind 7 to 15 mph.
Thanksgiving Day
Mostly sunny, with a high near 46.
Thursday Night
Mostly clear, with a low around 33.
Friday
Mostly sunny, with a high near 43. Breezy.
Friday Night
Mostly clear, with a low around 31. Breezy.
Saturday
Sunny, with a high near 42.
Saturday Night
Mostly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 48.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 40.
Monday
A 50 percent chance of rain. Mostly cloudy, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Westbrook CT
 41.28°N 72.45°W (Elev. 43 ft)
Last Update:
3:30 pm EST Nov 24, 2025
Forecast Valid:
5pm EST Nov 24, 2025-6pm EST Dec 1, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation