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.

Partly Cloudy

45°F

7°C

Humidity 83%
Wind Speed S 9 mph
Barometer 30.29 in (1025.6 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 9 Jan 10:56 am EST
Extended Forecast for

Westbrook CT

  • Today

    Today: Isolated showers after 4pm. Increasing clouds, with a high near 52. South wind 6 to 9 mph. Chance of precipitation is 20%.

    High: 52 °F

    Isolated
    Showers

  • Tonight

    Tonight: Showers likely, mainly before 11pm. Cloudy, with a low around 39. South wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Showers
    Likely then
    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of rain after noon. Cloudy, with a steady temperature around 42. Light and variable wind.

    High: 42 °F

    Cloudy then
    Chance Rain

  • Saturday Night

    Saturday Night: Rain. Low around 37. Light and variable wind. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Rain

  • Sunday

    Sunday: A chance of rain before noon, then a chance of showers after noon. Mostly cloudy, with a high near 44. West wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    High: 44 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

Today
Isolated showers after 4pm. Increasing clouds, with a high near 52. South wind 6 to 9 mph. Chance of precipitation is 20%.
Tonight
Showers likely, mainly before 11pm. Cloudy, with a low around 39. South wind around 6 mph becoming light and variable after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 50 percent chance of rain after noon. Cloudy, with a steady temperature around 42. Light and variable wind.
Saturday Night
Rain. Low around 37. Light and variable wind. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
A chance of rain before noon, then a chance of showers after noon. Mostly cloudy, with a high near 44. West wind 5 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Sunny, with a high near 39.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 45.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 31.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Westbrook CT
 41.3°N 72.47°W (Elev. 98 ft)
Last Update:
9:16 am EST Jan 9, 2026
Forecast Valid:
11am EST Jan 9, 2026-6pm EST Jan 15, 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