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.

Mostly Cloudy

33°F

1°C

Humidity 72%
Wind Speed E 15 G 24 mph
Barometer 30.12 in (1020.0 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 15 Feb 5:56 pm EST
Extended Forecast for

Ledyard CT

  • Tonight

    Tonight: A 40 percent chance of snow, mainly after 1am. Cloudy, with a low around 25. Northeast wind 3 to 5 mph.

    Low: 25 °F

    Chance Snow

  • Washington's Birthday

    Washington's Birthday: Cloudy, then gradually becoming mostly sunny, with a high near 40. Wind chill values between 20 and 30. Northeast wind around 6 mph.

    High: 40 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 24. Calm wind.

    Low: 24 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 41. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 41 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after noon. Cloudy, with a high near 42. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Chance Rain
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain, mainly before midnight. Low around 31. Chance of precipitation is 80%.

    Low: 31 °F

    Rain then
    Chance Rain

  • Thursday

    Thursday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of snow, mainly after 1am. Cloudy, with a low around 25. Northeast wind 3 to 5 mph.
Washington's Birthday
Cloudy, then gradually becoming mostly sunny, with a high near 40. Wind chill values between 20 and 30. Northeast wind around 6 mph.
Monday Night
Mostly cloudy, with a low around 24. Calm wind.
Tuesday
Mostly cloudy, with a high near 41. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 29. Calm wind.
Wednesday
Rain likely, mainly after noon. Cloudy, with a high near 42. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain, mainly before midnight. Low around 31. Chance of precipitation is 80%.
Thursday
Partly sunny, with a high near 40.
Thursday Night
Partly cloudy, with a low around 27.
Friday
Rain likely, mainly after noon. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.
Friday Night
Rain likely. Mostly cloudy, with a low around 31. Chance of precipitation is 60%.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 41.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 30%.
Sunday
A chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 30%.
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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:
2:12 pm EST Feb 15, 2026
Forecast Valid:
6pm EST Feb 15, 2026-6pm EST Feb 22, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation