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

45°F

7°C

Humidity 90%
Wind Speed S 3 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 26 Mar 9:56 am EDT
Extended Forecast for

Ledyard CT

  • Today

    Today: A 30 percent chance of showers after 5pm. Partly sunny, with a high near 59. Southwest wind 11 to 13 mph, with gusts as high as 24 mph.

    High: 59 °F

    Partly Sunny
    then Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly after 8pm. Mostly cloudy, with a low around 45. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Showers
    Likely

  • Friday

    Friday: A 40 percent chance of showers before 2pm. Mostly cloudy, with a steady temperature around 48. North wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 48 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28. North wind 3 to 6 mph.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 41. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 41 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

Detailed Forecast

Today
A 30 percent chance of showers after 5pm. Partly sunny, with a high near 59. Southwest wind 11 to 13 mph, with gusts as high as 24 mph.
Tonight
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 45. South wind 9 to 13 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 40 percent chance of showers before 2pm. Mostly cloudy, with a steady temperature around 48. North wind 8 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 28. North wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 41. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
Mostly cloudy, with a high near 54.
Monday Night
Mostly cloudy, with a low around 42.
Tuesday
A 40 percent chance of rain. Partly sunny, with a high near 55.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 39.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 52.
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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:
5:42 am EDT Mar 26, 2026
Forecast Valid:
10am EDT Mar 26, 2026-6pm EDT Apr 1, 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