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

41°F

5°C

Humidity 93%
Wind Speed Calm
Barometer 30.01 in (1016.3 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 10 Mar 9:56 pm EDT
Extended Forecast for

Westbrook CT

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 39. Light and variable wind.

    Low: 39 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly after 5pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 52. Light east wind becoming southeast 5 to 9 mph in the morning.

    High: 52 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 47. Southwest wind 9 to 11 mph, with gusts as high as 23 mph.

    Low: 47 °F

    Chance Rain

  • Thursday

    Thursday: Rain likely before 5pm, then a chance of rain and snow. Mostly cloudy, with a temperature falling to around 41 by 5pm. Northwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 54 °F⇓

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of snow before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 30. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Chance Snow
    then Mostly
    Clear

  • Friday

    Friday: Increasing clouds, with a high near 44.

    High: 44 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 30 percent chance of rain before 2am. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

  • Saturday

    Saturday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Saturday Night

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

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 39. Light and variable wind.
Wednesday
A 30 percent chance of showers, mainly after 5pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 52. Light east wind becoming southeast 5 to 9 mph in the morning.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 47. Southwest wind 9 to 11 mph, with gusts as high as 23 mph.
Thursday
Rain likely before 5pm, then a chance of rain and snow. Mostly cloudy, with a temperature falling to around 41 by 5pm. Northwest wind 11 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
A 30 percent chance of snow before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 30. Northwest wind 7 to 9 mph, with gusts as high as 20 mph.
Friday
Increasing clouds, with a high near 44.
Friday Night
A 30 percent chance of rain before 2am. Mostly cloudy, with a low around 37.
Saturday
Sunny, with a high near 46.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly cloudy, with a high near 49.
Sunday Night
Rain. Low around 42. Chance of precipitation is 80%.
Monday
Rain. High near 52. Breezy. Chance of precipitation is 90%.
Monday Night
Rain and snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of snow. Mostly sunny, with a high near 36.
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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:
9:48 pm EDT Mar 10, 2026
Forecast Valid:
10pm EDT Mar 10, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation