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

23°F

-5°C

Humidity 36%
Wind Speed Calm
Barometer 30.28 in (1025.4 mb)
Dewpoint 0°F (-18°C)
Visibility 10.00 mi
Last update 5 Dec 11:56 am EST
Extended Forecast for

Ledyard CT

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 31. Wind chill values between 20 and 25. Southeast wind 3 to 6 mph.

    High: 31 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of light snow after 4am. Increasing clouds, with a low around 22. Calm wind.

    Low: 22 °F

    Mostly Cloudy
    then Slight
    Chance Light
    Snow

  • Saturday

    Saturday: A chance of snow, possibly mixing with rain after 10am, then gradually ending. Mostly cloudy, with a high near 42. Wind chill values between 25 and 35. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.

    High: 42 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24. West wind 3 to 5 mph.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 40. Northwest wind around 5 mph becoming light and variable in the afternoon.

    High: 40 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 30 percent chance of snow showers before 4am. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 12.

    Low: 12 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 31. Wind chill values between 20 and 25. Southeast wind 3 to 6 mph.
Tonight
A 20 percent chance of light snow after 4am. Increasing clouds, with a low around 22. Calm wind.
Saturday
A chance of snow, possibly mixing with rain after 10am, then gradually ending. Mostly cloudy, with a high near 42. Wind chill values between 25 and 35. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 24. West wind 3 to 5 mph.
Sunday
Increasing clouds, with a high near 40. Northwest wind around 5 mph becoming light and variable in the afternoon.
Sunday Night
A 30 percent chance of snow showers before 4am. Mostly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 31.
Monday Night
Mostly clear, with a low around 12.
Tuesday
Partly sunny, with a high near 37.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 48.
Wednesday Night
Rain likely. Cloudy, with a low around 36. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 45.
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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:
6:53 am EST Dec 5, 2025
Forecast Valid:
12pm EST Dec 5, 2025-6pm EST Dec 11, 2025
 
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