National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

23°F

-5°C

Humidity 74%
Wind Speed Calm
Barometer 30.55 in (1034.6 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 29 Mar 4:56 am EDT
Extended Forecast for

Ledyard CT

  • Today

    Today: Sunny, with a high near 47. Wind chill values between 25 and 35 early. Light southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 23 mph.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. Southwest wind around 9 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 58. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 58 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 47. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.

    Low: 47 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly between 8am and 2pm. Partly sunny, with a high near 64. Southwest wind 6 to 13 mph.

    High: 64 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers after 2pm. Partly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: Rain likely. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.

    Low: 42 °F

    Rain Likely

  • Thursday

    Thursday: A 50 percent chance of rain. Mostly cloudy, with a high near 49.

    High: 49 °F

    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 47. Wind chill values between 25 and 35 early. Light southwest wind increasing to 8 to 13 mph in the morning. Winds could gust as high as 23 mph.
Tonight
Mostly cloudy, with a low around 38. Southwest wind around 9 mph, with gusts as high as 20 mph.
Monday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 58. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
A slight chance of showers before 8pm, then a slight chance of showers after 2am. Mostly cloudy, with a low around 47. Southwest wind 6 to 9 mph. Chance of precipitation is 20%.
Tuesday
A 30 percent chance of showers, mainly between 8am and 2pm. Partly sunny, with a high near 64. Southwest wind 6 to 13 mph.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
A 40 percent chance of showers after 2pm. Partly sunny, with a high near 68.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 42. Chance of precipitation is 70%.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 49.
Thursday Night
A 50 percent chance of rain. Cloudy, with a low around 36.
Friday
Rain likely. Cloudy, with a high near 48. Chance of precipitation is 60%.
Friday Night
Rain likely. Cloudy, with a low around 38. Chance of precipitation is 60%.
Saturday
A 40 percent chance of rain. Cloudy, with a high near 51.
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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:
2:25 am EDT Mar 29, 2026
Forecast Valid:
5am EDT Mar 29, 2026-6pm EDT Apr 4, 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