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.

Light Rain

40°F

4°C

Humidity 83%
Wind Speed E 10 G 20 mph
Barometer 30.11 in (1019.4 mb)
Dewpoint 35°F (2°C)
Visibility 6.00 mi
Wind Chill34°F (1°C)
Last update 10 Jan 4:56 pm EST
Extended Forecast for

Ledyard CT

  • This Afternoon

    This Afternoon: Rain. Steady temperature around 41. East wind around 6 mph. Chance of precipitation is 100%.

    High: 41 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 4am. Areas of fog after 1am. Low around 39. East wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 39 °F

    Rain and
    Areas Fog

  • Sunday

    Sunday: A chance of rain before 1pm, then a slight chance of rain and snow showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 44. Northwest wind 3 to 8 mph. Winds could gust as high as 21 mph. Chance of precipitation is 30%.

    High: 44 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 27. Wind chill values between 15 and 20. West wind 10 to 14 mph, with gusts as high as 30 mph.

    Low: 27 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39. West wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Rain. Steady temperature around 41. East wind around 6 mph. Chance of precipitation is 100%.
Tonight
Rain, mainly before 4am. Areas of fog after 1am. Low around 39. East wind 5 to 7 mph becoming light and variable after midnight. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
A chance of rain before 1pm, then a slight chance of rain and snow showers after 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 44. Northwest wind 3 to 8 mph. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 27. Wind chill values between 15 and 20. West wind 10 to 14 mph, with gusts as high as 30 mph.
Monday
Mostly sunny, with a high near 39. West wind 8 to 13 mph, with gusts as high as 24 mph.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Sunny, with a high near 43.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 46.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 30.
Thursday
Partly sunny, with a high near 38.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 20.
Saturday
Mostly sunny, with a high near 38.
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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:
1:33 pm EST Jan 10, 2026
Forecast Valid:
5pm EST Jan 10, 2026-6pm EST Jan 17, 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