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

43°F

6°C

Humidity 71%
Wind Speed S 15 mph
Barometer 30.29 in (1025.5 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 25 Mar 4:56 pm EDT
Extended Forecast for

Westbrook CT

  • Tonight

    Tonight: Increasing clouds, with a low around 40. South wind around 7 mph.

    Low: 40 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of showers before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 54. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 54 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Showers, mainly after 2am. Low around 45. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers, mainly before 8am. High near 51. North wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of rain showers, mixing with snow after 11pm, then gradually ending. Mostly cloudy, with a low around 30. Northeast wind 3 to 7 mph. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain/Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 40. South wind around 7 mph.
Thursday
A 20 percent chance of showers before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 54. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.
Thursday Night
Showers, mainly after 2am. Low around 45. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers, mainly before 8am. High near 51. North wind 7 to 9 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A slight chance of rain showers, mixing with snow after 11pm, then gradually ending. Mostly cloudy, with a low around 30. Northeast wind 3 to 7 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Mostly clear, with a low around 29.
Sunday
Sunny, with a high near 44.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly cloudy, with a high near 50.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
Mostly cloudy, with a high near 51.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 48.
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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:
2:46 pm EDT Mar 25, 2026
Forecast Valid:
5pm EDT Mar 25, 2026-6pm EDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation