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

28°F

-2°C

Humidity 43%
Wind Speed W 17 G 29 mph
Barometer 29.69 in (1005.3 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 30 Dec 10:56 pm EST
Extended Forecast for

Ledyard CT

  • Tonight

    Tonight: Partly cloudy, with a low around 21. Wind chill values between 15 and 20. West wind around 6 mph.

    Low: 21 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 32. Wind chill values between 15 and 25. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.

    High: 32 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Snow, mainly after 1am. Low around 22. Southwest wind around 6 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 22 °F

    Chance Snow
    then Snow

  • New Year's Day

    New Year's Day: A 30 percent chance of snow before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 30. Wind chill values between 10 and 20. Northwest wind 7 to 13 mph, with gusts as high as 25 mph.

    High: 30 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 13. West wind 6 to 9 mph, with gusts as high as 23 mph.

    Low: 13 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 31.

    High: 31 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 21. Wind chill values between 15 and 20. West wind around 6 mph.
Wednesday
Partly sunny, with a high near 32. Wind chill values between 15 and 25. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.
Wednesday Night
Snow, mainly after 1am. Low around 22. Southwest wind around 6 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
New Year's Day
A 30 percent chance of snow before 1pm. Mostly cloudy, then gradually becoming sunny, with a high near 30. Wind chill values between 10 and 20. Northwest wind 7 to 13 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 13. West wind 6 to 9 mph, with gusts as high as 23 mph.
Friday
Mostly sunny, with a high near 29.
Friday Night
Partly cloudy, with a low around 18.
Saturday
Sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 14.
Sunday
Mostly sunny, with a high near 30.
Sunday Night
Partly cloudy, with a low around 18.
Monday
A 30 percent chance of snow. Mostly cloudy, with a high near 35.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 35.
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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:
7:32 pm EST Dec 30, 2025
Forecast Valid:
11pm EST Dec 30, 2025-6pm EST Jan 6, 2026
 
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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