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

54°F

12°C

Humidity 49%
Wind Speed NW 13 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 1 Nov 2:56 pm EDT
Extended Forecast for

Ledyard CT

  • Tonight

    Tonight: Areas of frost after 5am. Otherwise, partly cloudy, with a low around 35. West wind 5 to 11 mph, with gusts as high as 25 mph.

    Low: 35 °F

    Partly Cloudy
    then Areas
    Frost

  • Sunday

    Sunday: Areas of frost before 9am. Otherwise, sunny, with a high near 55. Northwest wind 5 to 9 mph.

    High: 55 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of rain after 2pm. Mostly sunny, with a high near 60. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 60 °F

    Mostly Sunny
    then Chance
    Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain before 2am. Partly cloudy, with a low around 42. Southwest wind 7 to 9 mph becoming west after midnight.

    Low: 42 °F

    Chance Rain

  • Tuesday

    Tuesday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

Detailed Forecast

Tonight
Areas of frost after 5am. Otherwise, partly cloudy, with a low around 35. West wind 5 to 11 mph, with gusts as high as 25 mph.
Sunday
Areas of frost before 9am. Otherwise, sunny, with a high near 55. Northwest wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 36. Calm wind.
Monday
A 30 percent chance of rain after 2pm. Mostly sunny, with a high near 60. Light southwest wind increasing to 5 to 10 mph in the morning.
Monday Night
A 30 percent chance of rain before 2am. Partly cloudy, with a low around 42. Southwest wind 7 to 9 mph becoming west after midnight.
Tuesday
Sunny, with a high near 58.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 32.
Friday
Mostly sunny, with a high near 55.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 45.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ledyard CT
 41.46°N 72°W (Elev. 210 ft)
Last Update:
1:49 pm EDT Nov 1, 2025
Forecast Valid:
3pm EDT Nov 1, 2025-6pm EST Nov 8, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation