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

24°F

-4°C

Humidity 96%
Wind Speed Calm
Barometer 29.99 in (1015.4 mb)
Dewpoint 23°F (-5°C)
Visibility 8.00 mi
Last update 7 Dec 1:56 am EST
Extended Forecast for

3 Miles SW Ledyard CT

  • Overnight

    Overnight: Mostly clear, with a low around 25. Light northwest wind.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 40. Calm wind becoming south around 5 mph in the afternoon.

    High: 40 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21. Wind chill values between 15 and 20. Light and variable wind becoming northwest 8 to 13 mph in the evening. Winds could gust as high as 23 mph.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 29. Wind chill values between 10 and 15. North wind 9 to 15 mph, with gusts as high as 28 mph.

    High: 29 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 10. North wind around 6 mph becoming calm after midnight.

    Low: 10 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 39.

    High: 39 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 33.

    Low: 33 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly clear, with a low around 25. Light northwest wind.
Sunday
Increasing clouds, with a high near 40. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 21. Wind chill values between 15 and 20. Light and variable wind becoming northwest 8 to 13 mph in the evening. Winds could gust as high as 23 mph.
Monday
Sunny, with a high near 29. Wind chill values between 10 and 15. North wind 9 to 15 mph, with gusts as high as 28 mph.
Monday Night
Partly cloudy, with a low around 10. North wind around 6 mph becoming calm after midnight.
Tuesday
Increasing clouds, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 46.
Wednesday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 33.
Thursday
Partly sunny, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 26.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 40%.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 22.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 32.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Ledyard CT
 41.42°N 72.03°W (Elev. 233 ft)
Last Update:
12:50 am EST Dec 7, 2025
Forecast Valid:
2am EST Dec 7, 2025-6pm EST Dec 13, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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