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

37°F

3°C

Humidity 50%
Wind Speed NW 5 mph
Barometer 30.01 in (1016.2 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 3 Dec 3:56 pm EST
Extended Forecast for

Ledyard CT

  • Tonight

    Tonight: Mostly clear, with a low around 27. Calm wind becoming west around 6 mph after midnight.

    Low: 27 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 39. Wind chill values between 20 and 30. West wind 7 to 14 mph, with gusts as high as 26 mph.

    High: 39 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 12. Wind chill values between 5 and 10. Northwest wind 6 to 14 mph, with gusts as high as 33 mph.

    Low: 12 °F

    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 30. Wind chill values between 10 and 20. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 30 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A 30 percent chance of light snow, mainly after 1am. Mostly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Chance Light
    Snow

  • Saturday

    Saturday: A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 39.

    High: 39 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 27. Calm wind becoming west around 6 mph after midnight.
Thursday
Increasing clouds, with a high near 39. Wind chill values between 20 and 30. West wind 7 to 14 mph, with gusts as high as 26 mph.
Thursday Night
Mostly clear, with a low around 12. Wind chill values between 5 and 10. Northwest wind 6 to 14 mph, with gusts as high as 33 mph.
Friday
Increasing clouds, with a high near 30. Wind chill values between 10 and 20. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Friday Night
A 30 percent chance of light snow, mainly after 1am. Mostly cloudy, with a low around 22. Calm wind.
Saturday
A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 39.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
Mostly sunny, with a high near 29.
Monday Night
Mostly clear, with a low around 12.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 25.
Wednesday
A chance of rain and snow. Partly sunny, with a high near 42. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ledyard CT
 41.44°N 72°W (Elev. 200 ft)
Last Update:
4:09 pm EST Dec 3, 2025
Forecast Valid:
4pm EST Dec 3, 2025-6pm EST Dec 10, 2025
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation