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

22°F

-6°C

Humidity 27%
Wind Speed N 7 mph
Barometer 30.28 in (1025.4 mb)
Dewpoint -7°F (-22°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 8 Dec 7:56 pm EST
Extended Forecast for

Ledyard CT

  • Tonight

    Tonight: Partly cloudy, with a low around 10. Light northwest wind.

    Low: 10 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 35. Wind chill values between 10 and 20. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 35 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly before 1am. Mostly cloudy, with a temperature rising to around 34 by midnight. Southwest wind 6 to 9 mph, with gusts as high as 22 mph.

    Low: 29 °F⇑

    Chance Snow

  • Wednesday

    Wednesday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 47. Southwest wind 8 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 47 °F

    Slight Chance
    Rain then
    Rain Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 32. West wind 9 to 13 mph, with gusts as high as 31 mph.

    Low: 32 °F

    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 10. Light northwest wind.
Tuesday
Increasing clouds, with a high near 35. Wind chill values between 10 and 20. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
A 30 percent chance of snow, mainly before 1am. Mostly cloudy, with a temperature rising to around 34 by midnight. Southwest wind 6 to 9 mph, with gusts as high as 22 mph.
Wednesday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 47. Southwest wind 8 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 50 percent chance of rain before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 32. West wind 9 to 13 mph, with gusts as high as 31 mph.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 35.
Friday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 23.
Saturday
A chance of snow showers before 7am, then a chance of snow between 7am and noon. Partly sunny, with a high near 36. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 31.
Sunday Night
Mostly clear, with a low around 15.
Monday
Sunny, with a high near 31.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ledyard CT
 41.44°N 72°W (Elev. 200 ft)
Last Update:
6:30 pm EST Dec 8, 2025
Forecast Valid:
8pm EST Dec 8, 2025-6pm EST Dec 15, 2025
 
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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