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

40°F

4°C

Humidity 58%
Wind Speed W 14 G 23 mph
Barometer 29.85 in (1010.6 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 12 Nov 2:56 am EST
Extended Forecast for

Ledyard CT

  • Overnight

    Overnight: Mostly cloudy, with a low around 32. West wind around 9 mph, with gusts as high as 22 mph.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 47. Southwest wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 47 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 36. West wind around 8 mph.

    Low: 36 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 50. West wind 7 to 13 mph, with gusts as high as 25 mph.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of rain after 1am. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 32. West wind around 9 mph, with gusts as high as 22 mph.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 47. Southwest wind 8 to 13 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. West wind around 8 mph.
Thursday
Mostly sunny, with a high near 50. West wind 7 to 13 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 31. Northwest wind 6 to 8 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 47.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 46.
Saturday Night
A 50 percent chance of rain after 1am. Mostly cloudy, with a low around 33.
Sunday
Rain, mainly before 1pm. High near 56. Chance of precipitation is 80%.
Sunday Night
Partly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 47.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ledyard CT
 41.47°N 72.02°W (Elev. 197 ft)
Last Update:
1:00 am EST Nov 12, 2025
Forecast Valid:
3am EST Nov 12, 2025-6pm EST Nov 18, 2025
 
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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