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

35°F

2°C

Humidity 57%
Wind Speed N 15 G 28 mph
Barometer 30.32 in (1026.8 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 24 Mar 8:56 am EDT
Extended Forecast for

Westbrook CT

  • Today

    Today: Sunny, with a high near 45. North wind 6 to 11 mph becoming light northwest in the afternoon.

    High: 45 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 34. Southwest wind around 7 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 46. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 46 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Cloudy, with a low around 40. South wind around 6 mph.

    Low: 40 °F

    Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 53. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.

    High: 53 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain Likely

  • Friday

    Friday: Rain likely, mainly before 8am. Partly sunny, with a high near 49. Chance of precipitation is 60%.

    High: 49 °F

    Rain Likely
    then Chance
    Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 45. North wind 6 to 11 mph becoming light northwest in the afternoon.
Tonight
Increasing clouds, with a low around 34. Southwest wind around 7 mph.
Wednesday
Partly sunny, with a high near 46. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night
Cloudy, with a low around 40. South wind around 6 mph.
Thursday
Mostly cloudy, with a high near 53. Southwest wind 6 to 13 mph, with gusts as high as 23 mph.
Thursday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain likely, mainly before 8am. Partly sunny, with a high near 49. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Sunny, with a high near 40.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Mostly sunny, with a high near 50.
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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:
3:49 am EDT Mar 24, 2026
Forecast Valid:
9am EDT Mar 24, 2026-6pm EDT Mar 30, 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