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

65°F

18°C

Humidity 40%
Wind Speed NE 9 mph
Barometer 30.18 in (1021.8 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 15 Oct 1:56 pm EDT
Extended Forecast for

Westbrook CT

  • This Afternoon

    This Afternoon: Sunny, with a high near 62. Light northeast wind.

    High: 62 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers after 5am. Increasing clouds, with a low around 52. Light southeast wind increasing to 5 to 9 mph in the evening.

    Low: 52 °F

    Mostly Clear
    then Chance
    Showers

  • Friday

    Friday: Showers, with thunderstorms also possible after 2pm. High near 70. Southwest wind 11 to 14 mph, with gusts as high as 25 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 then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers and thunderstorms before 11pm, then showers likely. Low around 45. Southwest wind 9 to 13 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers then
    Showers
    Likely

  • Saturday

    Saturday: A 30 percent chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 54. North wind 15 to 17 mph, with gusts as high as 28 mph.

    High: 54 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38.

    Low: 38 °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 43.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 62. Light northeast wind.
Tonight
A 30 percent chance of showers after 5am. Increasing clouds, with a low around 52. Light southeast wind increasing to 5 to 9 mph in the evening.
Friday
Showers, with thunderstorms also possible after 2pm. High near 70. Southwest wind 11 to 14 mph, with gusts as high as 25 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 before 11pm, then showers likely. Low around 45. Southwest wind 9 to 13 mph becoming northwest after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%. 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. Cloudy through mid morning, then gradual clearing, with a high near 54. North wind 15 to 17 mph, with gusts as high as 28 mph.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 47.
Wednesday
Sunny, with a high near 64.
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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:
2:36 pm EDT Oct 15, 2026
Forecast Valid:
2pm EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation