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.

Light Rain

39°F

4°C

Humidity 89%
Wind Speed E 10 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 36°F (2°C)
Visibility 7.00 mi
Wind Chill32°F (0°C)
Last update 10 Jan 5:56 pm EST
Extended Forecast for

Westbrook CT

  • Tonight

    Tonight: Rain, mainly before 4am. Patchy fog after 1am. Low around 39. East wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 39 °F

    Rain and
    Patchy Fog

  • Sunday

    Sunday: A chance of rain before 1pm, then a slight chance of rain and snow showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 43. Northwest wind 5 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.

    High: 43 °F

    Chance Rain
    then Slight
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29. Wind chill values between 20 and 25. West wind 14 to 17 mph, with gusts as high as 33 mph.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39. Wind chill values between 20 and 30. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 32. Southwest wind around 8 mph.

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 44.

    High: 44 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Rain

Detailed Forecast

Tonight
Rain, mainly before 4am. Patchy fog after 1am. Low around 39. East wind 5 to 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
A chance of rain before 1pm, then a slight chance of rain and snow showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 43. Northwest wind 5 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 29. Wind chill values between 20 and 25. West wind 14 to 17 mph, with gusts as high as 33 mph.
Monday
Mostly sunny, with a high near 39. Wind chill values between 20 and 30. West wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly clear, with a low around 32. Southwest wind around 8 mph.
Tuesday
Sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Cloudy, with a high near 44.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 25.
Saturday
Mostly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westbrook CT
 41.28°N 72.45°W (Elev. 43 ft)
Last Update:
1:33 pm EST Jan 10, 2026
Forecast Valid:
6pm EST Jan 10, 2026-6pm EST Jan 17, 2026
 
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Additional Resources

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Chance of Precipitation