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.

Mostly Cloudy

25°F

-4°C

Humidity 50%
Wind Speed NW 7 mph
Barometer 29.98 in (1015.2 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 3 Jan 10:56 pm EST
Extended Forecast for

Westbrook CT

  • Tonight

    Tonight: A 30 percent chance of light snow after 1am. Cloudy, with a low around 23. Wind chill values between 15 and 20. North wind around 6 mph.

    Low: 23 °F

    Chance Light
    Snow

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 33. Wind chill values between 15 and 25. Northwest wind 5 to 9 mph.

    High: 33 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18. Wind chill values between 10 and 15. Northwest wind 10 to 13 mph.

    Low: 18 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of light snow after 4pm. Increasing clouds, with a high near 33. Wind chill values between 10 and 20. Northwest wind 5 to 7 mph becoming south in the afternoon.

    High: 33 °F

    Partly Sunny
    then Slight
    Chance Light
    Snow

  • Monday Night

    Monday Night: A 50 percent chance of light snow, mainly between 7pm and 1am. Cloudy, with a steady temperature around 30. South wind 5 to 7 mph becoming northwest after midnight.

    Low: 30 °F

    Chance Light
    Snow

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 38.

    High: 38 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain after 1am. Cloudy, with a low around 33.

    Low: 33 °F

    Cloudy then
    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 43.

    High: 43 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of light snow after 1am. Cloudy, with a low around 23. Wind chill values between 15 and 20. North wind around 6 mph.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 33. Wind chill values between 15 and 25. Northwest wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 18. Wind chill values between 10 and 15. Northwest wind 10 to 13 mph.
Monday
A 20 percent chance of light snow after 4pm. Increasing clouds, with a high near 33. Wind chill values between 10 and 20. Northwest wind 5 to 7 mph becoming south in the afternoon.
Monday Night
A 50 percent chance of light snow, mainly between 7pm and 1am. Cloudy, with a steady temperature around 30. South wind 5 to 7 mph becoming northwest after midnight.
Tuesday
Mostly cloudy, with a high near 38.
Tuesday Night
A 40 percent chance of rain after 1am. Cloudy, with a low around 33.
Wednesday
A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 44.
Friday Night
A 40 percent chance of rain. Cloudy, with a low around 38.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 47.
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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:
3:26 pm EST Jan 3, 2026
Forecast Valid:
11pm EST Jan 3, 2026-6pm EST Jan 10, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation