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

46°F

8°C

Humidity 63%
Wind Speed S 14 mph
Barometer 30.44 in (1030.7 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 12 Apr 4:56 pm EDT
Extended Forecast for

Ledyard CT

  • Tonight

    Tonight: A slight chance of showers before 2am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 42. South wind around 7 mph. Chance of precipitation is 20%.

    Low: 42 °F

    Slight Chance
    Showers

  • Monday

    Monday: Mostly cloudy, with a high near 64. Southwest wind 11 to 14 mph, with gusts as high as 25 mph.

    High: 64 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. Southwest wind 6 to 9 mph.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 74. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 74 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 2am. Partly cloudy, with a low around 53. Southwest wind around 6 mph.

    Low: 53 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before 2am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 42. South wind around 7 mph. Chance of precipitation is 20%.
Monday
Mostly cloudy, with a high near 64. Southwest wind 11 to 14 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 54. Southwest wind 6 to 9 mph.
Tuesday
Mostly sunny, with a high near 74. Calm wind becoming southwest 5 to 9 mph in the morning.
Tuesday Night
A 20 percent chance of showers before 2am. Partly cloudy, with a low around 53. Southwest wind around 6 mph.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 56.
Thursday
Partly sunny, with a high near 75.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 49.
Sunday
Partly sunny, with a high near 67.
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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:
4:35 pm EDT Apr 12, 2026
Forecast Valid:
5pm EDT Apr 12, 2026-6pm EDT Apr 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