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

25°F

-4°C

Humidity 37%
Wind Speed SW 10 mph
Barometer 30.64 in (1037.4 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 2 Mar 3:56 pm EST
Extended Forecast for

Westbrook CT

  • Tonight

    Tonight: Increasing clouds, with a low around 22. Calm wind.

    Low: 22 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Rain, possibly mixed with snow, becoming all rain after 4pm. High near 37. Calm wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain. Low around 36. East wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47. Light and variable wind.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Cloudy, with a high near 45.

    High: 45 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain, mainly after 1am. Low around 37. Chance of precipitation is 80%.

    Low: 37 °F

    Chance Rain
    then Rain

  • Friday

    Friday: A 50 percent chance of rain before 1pm. Mostly cloudy, with a high near 43.

    High: 43 °F

    Chance Rain

  • Friday Night

    Friday Night: Cloudy, with a low around 36.

    Low: 36 °F

    Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 22. Calm wind.
Tuesday
Rain, possibly mixed with snow, becoming all rain after 4pm. High near 37. Calm wind becoming east 5 to 7 mph in the morning. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain. Low around 36. East wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Mostly sunny, with a high near 47. Light and variable wind.
Wednesday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 33. Calm wind.
Thursday
A 40 percent chance of rain. Cloudy, with a high near 45.
Thursday Night
Rain, mainly after 1am. Low around 37. Chance of precipitation is 80%.
Friday
A 50 percent chance of rain before 1pm. Mostly cloudy, with a high near 43.
Friday Night
Cloudy, with a low around 36.
Saturday
Mostly cloudy, with a high near 48.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 43.
Sunday
A 30 percent chance of rain. Mostly cloudy, with a high near 56.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 44.
Monday
Mostly cloudy, with a high near 54.
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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:
1:04 pm EST Mar 2, 2026
Forecast Valid:
4pm EST Mar 2, 2026-6pm EDT Mar 9, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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