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

73°F

23°C

Humidity 76%
Wind Speed W 10 mph
Barometer 29.77 in (1008.1 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 14 Oct 3:56 pm EDT
Extended Forecast for

Westbrook CT

  • Tonight

    Tonight: Mostly clear, with a low around 50. Northwest wind 5 to 7 mph, with gusts as high as 21 mph.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 63. North wind 3 to 7 mph.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after 5am. Increasing clouds, with a low around 50. Calm wind becoming southeast 5 to 7 mph after midnight. Chance of precipitation is 60%.

    Low: 50 °F

    Mostly Clear
    then Showers
    Likely

  • Friday

    Friday: Showers, with thunderstorms also possible after 5pm. High near 70. Southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms. Low around 44. Southwest wind 9 to 14 mph becoming northwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Showers

  • Saturday

    Saturday: A 30 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 54.

    High: 54 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 50. Northwest wind 5 to 7 mph, with gusts as high as 21 mph.
Thursday
Sunny, with a high near 63. North wind 3 to 7 mph.
Thursday Night
Showers likely, mainly after 5am. Increasing clouds, with a low around 50. Calm wind becoming southeast 5 to 7 mph after midnight. Chance of precipitation is 60%.
Friday
Showers, with thunderstorms also possible after 5pm. High near 70. Southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms. Low around 44. Southwest wind 9 to 14 mph becoming northwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 30 percent chance of showers before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 54.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 61.
Monday Night
Partly cloudy, with a low around 45.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Westbrook CT
 41.3°N 72.45°W (Elev. 62 ft)
Last Update:
2:21 pm EDT Oct 14, 2026
Forecast Valid:
4pm EDT Oct 14, 2026-6pm EDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation