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.

Mostly Cloudy

47°F

8°C

Humidity 50%
Wind Speed SW 15 G 28 mph
Barometer 29.85 in (1010.7 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 14 Mar 11:56 am EDT
Extended Forecast for

Westbrook CT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 46. Breezy, with a west wind around 21 mph, with gusts as high as 33 mph.

    High: 46 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 31. Northwest wind 7 to 14 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 44. Light and variable wind becoming southeast 6 to 11 mph in the morning.

    High: 44 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Rain likely after 2am. Mostly cloudy, with a temperature rising to around 44 by 5am. East wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F⇑

    Mostly Cloudy
    then Rain
    Likely

  • Monday

    Monday: Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 56. Breezy, with a south wind 18 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 56 °F

    Heavy Rain
    and Breezy

  • Monday Night

    Monday Night: Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 37. Windy. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 37 °F

    Heavy Rain
    and Windy

  • Tuesday

    Tuesday: Rain likely before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 43. Chance of precipitation is 60%.

    High: 43 °F

    Rain Likely
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 46. Breezy, with a west wind around 21 mph, with gusts as high as 33 mph.
Tonight
Mostly clear, with a low around 31. Northwest wind 7 to 14 mph.
Sunday
Partly sunny, with a high near 44. Light and variable wind becoming southeast 6 to 11 mph in the morning.
Sunday Night
Rain likely after 2am. Mostly cloudy, with a temperature rising to around 44 by 5am. East wind 9 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 56. Breezy, with a south wind 18 to 21 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Monday Night
Rain and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 37. Windy. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tuesday
Rain likely before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 43. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Mostly 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:
3:09 am EDT Mar 14, 2026
Forecast Valid:
12pm EDT Mar 14, 2026-6pm EDT Mar 20, 2026
 
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Additional Resources

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Chance of Precipitation