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 93%
Wind Speed S 5 mph
Barometer 30.04 in (1017.3 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 10 Mar 10:56 am EDT
Extended Forecast for

Westbrook CT

  • Today

    Today: Mostly sunny, with a high near 60. South wind 3 to 6 mph.

    High: 60 °F

    Mostly Sunny

  • Tonight

    Tonight: Areas of fog. Otherwise, mostly cloudy, with a low around 39. Light south wind.

    Low: 39 °F

    Areas Fog

  • Wednesday

    Wednesday: Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 58. Calm wind becoming southeast 5 to 9 mph in the morning.

    High: 58 °F

    Areas Fog
    then Mostly
    Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of rain after 2am. Cloudy, with a low around 46. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 46 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of rain before 5pm, then a chance of rain and snow showers. Mostly cloudy, with a temperature falling to around 41 by 5pm. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 47 °F⇓

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Friday

    Friday: Increasing clouds, with a high near 43.

    High: 43 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 60. South wind 3 to 6 mph.
Tonight
Areas of fog. Otherwise, mostly cloudy, with a low around 39. Light south wind.
Wednesday
Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 58. Calm wind becoming southeast 5 to 9 mph in the morning.
Wednesday Night
A chance of rain before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of rain after 2am. Cloudy, with a low around 46. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Thursday
A chance of rain before 5pm, then a chance of rain and snow showers. Mostly cloudy, with a temperature falling to around 41 by 5pm. Northwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain and snow showers before 8pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 30. Chance of precipitation is 30%.
Friday
Increasing clouds, with a high near 43.
Friday Night
Mostly cloudy, with a low around 37.
Saturday
Mostly sunny, with a high near 46.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
Mostly cloudy, with a high near 48.
Sunday Night
Rain. Low around 42. Chance of precipitation is 80%.
Monday
Rain. High near 50. Chance of precipitation is 80%.
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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:
10:53 am EDT Mar 10, 2026
Forecast Valid:
11am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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