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

27°F

-3°C

Humidity 43%
Wind Speed N 18 G 33 mph
Barometer 30.16 in (1021.1 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 4 Dec 7:56 pm EST
Extended Forecast for

3 Miles N Hadlyme CT

  • Tonight

    Tonight: Mostly clear, with a low around 12. Northwest wind 5 to 15 mph, with gusts as high as 36 mph.

    Low: 12 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 32. Wind chill values between 10 and 20. Calm wind becoming south around 6 mph.

    High: 32 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a steady temperature around 26. Calm wind.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: A slight chance of rain and snow before 10am, then a slight chance of rain between 10am and 1pm. Mostly cloudy, with a high near 42. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 24. Calm wind.

    Low: 24 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 13.

    Low: 13 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 12. Northwest wind 5 to 15 mph, with gusts as high as 36 mph.
Friday
Sunny, with a high near 32. Wind chill values between 10 and 20. Calm wind becoming south around 6 mph.
Friday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a steady temperature around 26. Calm wind.
Saturday
A slight chance of rain and snow before 10am, then a slight chance of rain between 10am and 1pm. Mostly cloudy, with a high near 42. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 24. Calm wind.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Sunny, with a high near 32.
Monday Night
Mostly clear, with a low around 13.
Tuesday
Partly sunny, with a high near 37.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Wednesday
Mostly cloudy, with a high near 43.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 31.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Hadlyme CT
 41.44°N 72.33°W (Elev. 95 ft)
Last Update:
8:07 pm EST Dec 4, 2025
Forecast Valid:
8pm EST Dec 4, 2025-6pm EST Dec 11, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation