National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

24°F

-4°C

Humidity 91%
Wind Speed Calm
Barometer 30.15 in (1020.9 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Last update 17 Feb 4:56 am EST
Extended Forecast for

Westbrook CT

  • Today

    Today: Mostly cloudy, with a high near 39. Southwest wind 3 to 7 mph.

    High: 39 °F

    Mostly Cloudy

  • Tonight

    Tonight: Increasing clouds, with a low around 31. Light west wind.

    Low: 31 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Rain. High near 39. Calm wind becoming east around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 39 °F

    Rain Likely
    then Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 1am, then a slight chance of rain and snow between 1am and 4am, then a slight chance of snow after 4am. Cloudy, with a low around 32. North wind 3 to 5 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: Mostly cloudy, with a high near 39. North wind around 5 mph becoming southeast in the afternoon.

    High: 39 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy
    then Chance
    Snow

  • Friday

    Friday: Rain and snow, mainly after 1pm. High near 39. Chance of precipitation is 80%.

    High: 39 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Friday Night

    Friday Night: Rain and snow likely, mainly before 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.

    Low: 32 °F

    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.

    High: 38 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Mostly cloudy, with a high near 39. Southwest wind 3 to 7 mph.
Tonight
Increasing clouds, with a low around 31. Light west wind.
Wednesday
Rain. High near 39. Calm wind becoming east around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely before 1am, then a slight chance of rain and snow between 1am and 4am, then a slight chance of snow after 4am. Cloudy, with a low around 32. North wind 3 to 5 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
Mostly cloudy, with a high near 39. North wind around 5 mph becoming southeast in the afternoon.
Thursday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 30.
Friday
Rain and snow, mainly after 1pm. High near 39. Chance of precipitation is 80%.
Friday Night
Rain and snow likely, mainly before 1am. Mostly cloudy, with a low around 32. Chance of precipitation is 60%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 28.
Sunday
A 50 percent chance of snow. Partly sunny, with a high near 37.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 27.
Monday
A 30 percent chance of snow. Partly sunny, with a high near 36.
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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:
4:22 am EST Feb 17, 2026
Forecast Valid:
5am EST Feb 17, 2026-6pm EST Feb 23, 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