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.

Fog/Mist

50°F

10°C

Humidity 96%
Wind Speed SW 10 mph
Barometer 29.82 in (1009.7 mb)
Dewpoint 49°F (9°C)
Visibility 1.00 mi
Wind Chill46°F (8°C)
Last update 5 Apr 11:56 am EDT
Extended Forecast for

Ledyard CT

  • This Afternoon

    This Afternoon: Rain and possibly a thunderstorm. High near 57. Southwest wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 57 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 8pm. Low around 36. Southwest wind around 7 mph becoming northwest in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Rain then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 53. West wind around 11 mph, with gusts as high as 22 mph.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain, mainly after 2am. Partly cloudy, with a low around 35. West wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Chance Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly before 2pm. Partly sunny, with a high near 50. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 50 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Rain and possibly a thunderstorm. High near 57. Southwest wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Rain, mainly before 8pm. Low around 36. Southwest wind around 7 mph becoming northwest in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Sunny, with a high near 53. West wind around 11 mph, with gusts as high as 22 mph.
Monday Night
A 30 percent chance of rain, mainly after 2am. Partly cloudy, with a low around 35. West wind around 5 mph becoming calm in the evening.
Tuesday
A 30 percent chance of rain, mainly before 2pm. Partly sunny, with a high near 50. Southwest wind 6 to 11 mph, with gusts as high as 22 mph.
Tuesday Night
Mostly clear, with a low around 27.
Wednesday
Sunny, with a high near 46.
Wednesday Night
Mostly clear, with a low around 31.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 44.
Saturday
Partly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ledyard CT
 41.44°N 72°W (Elev. 200 ft)
Last Update:
11:20 am EDT Apr 5, 2026
Forecast Valid:
12pm EDT Apr 5, 2026-6pm EDT Apr 11, 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