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

47°F

8°C

Humidity 83%
Wind Speed NE 12 mph
Barometer 29.45 in (997.2 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 12 Nov 8:56 pm EST
Extended Forecast for

Ledyard CT

  • Tonight

    Tonight: Showers before midnight, then rain after midnight. Low around 40. Northeast wind 10 to 13 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Showers

  • Friday

    Friday: Rain, mainly before 4pm. High near 45. North wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 45 °F

    Rain

  • Friday Night

    Friday Night: A 30 percent chance of rain, mainly before 7pm. Mostly cloudy, with a low around 28. North wind around 6 mph.

    Low: 28 °F

    Chance Rain
    then Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 47. Wind chill values between 20 and 30 early. Northwest wind 6 to 9 mph.

    High: 47 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 28. Northwest wind around 6 mph.

    Low: 28 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers before midnight, then rain after midnight. Low around 40. Northeast wind 10 to 13 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain, mainly before 4pm. High near 45. North wind 9 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A 30 percent chance of rain, mainly before 7pm. Mostly cloudy, with a low around 28. North wind around 6 mph.
Saturday
Partly sunny, with a high near 47. Wind chill values between 20 and 30 early. Northwest wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 28. Northwest wind around 6 mph.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 30.
Monday
Sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 32.
Wednesday
Sunny, with a high near 60.
Wednesday Night
Clear, with a low around 34.
Thursday
Sunny, with a high near 61.
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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:
5:04 pm EST Nov 12, 2026
Forecast Valid:
9pm EST Nov 12, 2026-6pm EST Nov 19, 2026
 
Forecast Discussion
 
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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