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.

Rain Fog/Mist

56°F

13°C

Humidity 97%
Wind Speed E 12 mph
Barometer 30.18 in (1022.1 mb)
Dewpoint 55°F (13°C)
Visibility 4.00 mi
Last update 1 Apr 7:56 pm EDT
Extended Forecast for

Westbrook CT

  • Tonight

    Tonight: Showers. Low around 41. Light northeast wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly before 8am. Cloudy, with a high near 44. Northeast wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 44 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 20 percent chance of showers. Cloudy, with a low around 39. East wind 5 to 8 mph.

    Low: 39 °F

    Slight Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 54. Light and variable wind becoming south 5 to 8 mph in the afternoon.

    High: 54 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50. Southwest wind around 8 mph.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Showers, mainly after 2pm. High near 57. Chance of precipitation is 80%.

    High: 57 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 8pm. Low around 40. Chance of precipitation is 80%.

    Low: 40 °F

    Showers then
    Chance
    Showers

Detailed Forecast

Tonight
Showers. Low around 41. Light northeast wind increasing to 5 to 10 mph in the evening. Winds could gust as high as 21 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers likely, mainly before 8am. Cloudy, with a high near 44. Northeast wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 20 percent chance of showers. Cloudy, with a low around 39. East wind 5 to 8 mph.
Friday
Mostly cloudy, with a high near 54. Light and variable wind becoming south 5 to 8 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 50. Southwest wind around 8 mph.
Saturday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 62.
Saturday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, with a low around 45.
Sunday
Showers, mainly after 2pm. High near 57. Chance of precipitation is 80%.
Sunday Night
Showers, mainly before 8pm. Low around 40. Chance of precipitation is 80%.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Westbrook CT
 41.28°N 72.45°W (Elev. 43 ft)
Last Update:
2:31 pm EDT Apr 1, 2026
Forecast Valid:
8pm EDT Apr 1, 2026-6pm EDT Apr 8, 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