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

43°F

6°C

Humidity 68%
Wind Speed W 8 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 6 Apr 2:56 am EDT
Extended Forecast for

Westbrook CT

  • Overnight

    Overnight: Mostly clear, with a low around 39. West wind around 7 mph.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 50. West wind around 10 mph, with gusts as high as 20 mph.

    High: 50 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers between 11pm and 5am. Mostly cloudy, with a low around 38. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 38 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers between 8am and 2pm. Mostly sunny, with a high near 48. West wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    High: 48 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 30. North wind 7 to 10 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 39. West wind around 7 mph.
Monday
Mostly sunny, with a high near 50. West wind around 10 mph, with gusts as high as 20 mph.
Monday Night
A chance of showers between 11pm and 5am. Mostly cloudy, with a low around 38. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Tuesday
A slight chance of showers between 8am and 2pm. Mostly sunny, with a high near 48. West wind 6 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 30. North wind 7 to 10 mph, with gusts as high as 21 mph.
Wednesday
Sunny, with a high near 44.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Mostly sunny, with a high near 48.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 60.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 56.
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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:
2:34 am EDT Apr 6, 2026
Forecast Valid:
3am EDT Apr 6, 2026-6pm EDT Apr 12, 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