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.

A Few Clouds

29°F

-2°C

Humidity 72%
Wind Speed Calm
Barometer 30.51 in (1033.0 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 30 Nov 1:56 am EST
Extended Forecast for

Ledyard CT

  • Overnight

    Overnight: Cloudy, with a steady temperature around 29. Calm wind.

    Low: 29 °F

    Cloudy

  • Sunday

    Sunday: Rain, mainly after 1pm. High near 50. East wind 5 to 13 mph becoming south in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Cloudy then
    Rain

  • Sunday Night

    Sunday Night: Rain, mainly before 10pm. Low around 31. South wind 8 to 11 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 31 °F

    Rain then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 41. Wind chill values between 25 and 35. Northwest wind 8 to 13 mph.

    High: 41 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 24. Light and variable wind.

    Low: 24 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Rain and snow, becoming all rain after 10am. High near 44. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Rain/Snow
    then Rain

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain before 1am. Cloudy during the early evening, then gradual clearing, with a low around 24.

    Low: 24 °F

    Chance Rain

  • Wednesday

    Wednesday: Sunny, with a high near 39.

    High: 39 °F

    Sunny

  • Wednesday Night

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

    Low: 27 °F

    Partly Cloudy

Detailed Forecast

Overnight
Cloudy, with a steady temperature around 29. Calm wind.
Sunday
Rain, mainly after 1pm. High near 50. East wind 5 to 13 mph becoming south in the afternoon. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain, mainly before 10pm. Low around 31. South wind 8 to 11 mph becoming west after midnight. Winds could gust as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Sunny, with a high near 41. Wind chill values between 25 and 35. Northwest wind 8 to 13 mph.
Monday Night
Increasing clouds, with a low around 24. Light and variable wind.
Tuesday
Rain and snow, becoming all rain after 10am. High near 44. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday Night
A 50 percent chance of rain before 1am. Cloudy during the early evening, then gradual clearing, with a low around 24.
Wednesday
Sunny, with a high near 39.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Partly sunny, with a high near 42.
Thursday Night
Mostly clear, with a low around 14.
Friday
Mostly sunny, with a high near 31.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 21.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.
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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:
1:09 am EST Nov 30, 2025
Forecast Valid:
2am EST Nov 30, 2025-6pm EST Dec 6, 2025
 
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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