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

37°F

3°C

Humidity 59%
Wind Speed W 14 G 24 mph
Barometer 30.08 in (1018.7 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 12 Jan 9:56 pm EST
Extended Forecast for

Westbrook CT

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 35. West wind around 9 mph.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 43. West wind 7 to 9 mph.

    High: 43 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers before 1pm. Cloudy, with a high near 45. Southwest wind 6 to 8 mph.

    High: 45 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers, mainly after 1am. Cloudy, with a low around 34. Light south wind.

    Low: 34 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of rain before 1pm. Mostly cloudy, with a temperature rising to near 39 by 9am, then falling to around 35 during the remainder of the day.

    High: 39 °F⇓

    Chance Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Friday Night

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

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a steady temperature around 35. West wind around 9 mph.
Tuesday
Increasing clouds, with a high near 43. West wind 7 to 9 mph.
Tuesday Night
Mostly cloudy, with a low around 38. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of showers before 1pm. Cloudy, with a high near 45. Southwest wind 6 to 8 mph.
Wednesday Night
A 40 percent chance of showers, mainly after 1am. Cloudy, with a low around 34. Light south wind.
Thursday
A 30 percent chance of rain before 1pm. Mostly cloudy, with a temperature rising to near 39 by 9am, then falling to around 35 during the remainder of the day.
Thursday Night
Mostly cloudy, with a low around 21.
Friday
Mostly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 39.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
A chance of rain and snow. Partly sunny, with a high near 37. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 22.
M.L.King Day
Mostly sunny, with a high near 32.
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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:
5:50 pm EST Jan 12, 2026
Forecast Valid:
10pm EST Jan 12, 2026-6pm EST Jan 19, 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