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

42°F

6°C

Humidity 79%
Wind Speed SW 5 mph
Barometer 29.69 in (1005.3 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 14 Jan 5:56 am EST
Extended Forecast for

Westbrook CT

  • Today

    Today: A 20 percent chance of showers between 10am and 1pm. Mostly cloudy, with a high near 46. Southwest wind 6 to 8 mph.

    High: 46 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly between 1am and 4am. Cloudy, with a steady temperature around 42. Light and variable wind becoming south around 5 mph after midnight. Chance of precipitation is 60%.

    Low: 42 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 32 by 5pm. Wind chill values between 20 and 30. West wind 6 to 16 mph.

    High: 42 °F⇓

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20. Wind chill values between 5 and 15. West wind around 15 mph, with gusts as high as 30 mph.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 35. West wind 11 to 16 mph, with gusts as high as 31 mph.

    High: 35 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a steady temperature around 33.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

Detailed Forecast

Today
A 20 percent chance of showers between 10am and 1pm. Mostly cloudy, with a high near 46. Southwest wind 6 to 8 mph.
Tonight
Showers likely, mainly between 1am and 4am. Cloudy, with a steady temperature around 42. Light and variable wind becoming south around 5 mph after midnight. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 32 by 5pm. Wind chill values between 20 and 30. West wind 6 to 16 mph.
Thursday Night
Partly cloudy, with a low around 20. Wind chill values between 5 and 15. West wind around 15 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 35. West wind 11 to 16 mph, with gusts as high as 31 mph.
Friday Night
Mostly cloudy, with a steady temperature around 33.
Saturday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 34.
Sunday Night
Partly cloudy, with a low around 22.
M.L.King Day
Mostly sunny, with a high near 33.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 30.
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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:
1:35 am EST Jan 14, 2026
Forecast Valid:
6am EST Jan 14, 2026-6pm EST Jan 20, 2026
 
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Additional Resources

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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