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.

Overcast

35°F

2°C

Humidity 93%
Wind Speed Calm
Barometer 30.39 in (1029.2 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 6 Mar 11:56 pm EST
Extended Forecast for

3 Miles N Ledyard CT

  • Overnight

    Overnight: Cloudy, with a low around 31. Calm wind.

    Low: 31 °F

    Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 50. Calm wind becoming south 5 to 8 mph in the morning.

    High: 50 °F

    Cloudy

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Areas of dense fog after 1am. Otherwise, cloudy, with a low around 44. Southwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 44 °F

    Chance
    Showers and
    Areas Dense
    Fog

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm. Areas of fog before 1pm. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 61. Southwest wind 6 to 9 mph.

    High: 61 °F

    Chance
    Showers and
    Areas Fog

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 31. Calm wind.
Saturday
Cloudy, with a high near 50. Calm wind becoming south 5 to 8 mph in the morning.
Saturday Night
A chance of showers and thunderstorms. Areas of dense fog after 1am. Otherwise, cloudy, with a low around 44. Southwest wind 6 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Sunday
A 30 percent chance of showers before 1pm. Areas of fog before 1pm. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 61. Southwest wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 35. Calm wind.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 63.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
A 50 percent chance of rain. Cloudy, with a high near 56.
Wednesday Night
Rain likely. Cloudy, with a low around 36. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 48.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Mostly cloudy, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles N Ledyard CT
 41.49°N 71.99°W (Elev. 154 ft)
Last Update:
12:51 pm EST Mar 6, 2026
Forecast Valid:
12am EST Mar 7, 2026-6pm EDT Mar 13, 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