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

17°F

-8°C

Humidity 35%
Wind Speed N 6 mph
Barometer 30.65 in (1037.7 mb)
Dewpoint -6°F (-21°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 2 Mar 6:56 am EST
Extended Forecast for

Westbrook CT

  • Today

    Today: Mostly sunny, with a high near 29. Wind chill values between 10 and 20. North wind around 5 mph becoming light and variable.

    High: 29 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 22. Light south wind.

    Low: 22 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of snow before 10am, then rain and snow between 10am and 4pm, then rain after 4pm. High near 40. South wind 3 to 6 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain. Low around 36. Southeast wind around 6 mph becoming west after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 36 °F

    Rain

  • Wednesday

    Wednesday: A 20 percent chance of rain. Partly sunny, with a high near 45. West wind around 5 mph becoming calm in the morning.

    High: 45 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of rain. Cloudy, with a high near 49.

    High: 49 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 50 percent chance of rain. Cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

  • Friday

    Friday: A 50 percent chance of rain. Cloudy, with a high near 44.

    High: 44 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 29. Wind chill values between 10 and 20. North wind around 5 mph becoming light and variable.
Tonight
Mostly clear, with a low around 22. Light south wind.
Tuesday
A chance of snow before 10am, then rain and snow between 10am and 4pm, then rain after 4pm. High near 40. South wind 3 to 6 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Tuesday Night
Rain. Low around 36. Southeast wind around 6 mph becoming west after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 45. West wind around 5 mph becoming calm in the morning.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 37.
Thursday
A 40 percent chance of rain. Cloudy, with a high near 49.
Thursday Night
A 50 percent chance of rain. Cloudy, with a low around 38.
Friday
A 50 percent chance of rain. Cloudy, with a high near 44.
Friday Night
A 30 percent chance of rain before 1am. Cloudy, with a low around 37.
Saturday
Cloudy, with a high near 50.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 42.
Sunday
Mostly cloudy, with a high near 52.
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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:
2:30 am EST Mar 2, 2026
Forecast Valid:
7am EST Mar 2, 2026-6pm EDT Mar 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