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.

Light Rain Fog/Mist

33°F

1°C

Humidity 96%
Wind Speed Calm
Barometer 30.17 in (1021.7 mb)
Dewpoint 32°F (0°C)
Visibility 6.00 mi
Last update 3 Mar 10:56 pm EST
Extended Forecast for

Ledyard CT

  • Tonight

    Tonight: Rain, mainly before 4am. Patchy fog. Low around 33. South wind around 6 mph becoming west after midnight. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Rain and
    Patchy Fog

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 50. Calm wind.

    High: 50 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: A 50 percent chance of rain. Mostly cloudy, with a high near 44. Light east wind.

    High: 44 °F

    Chance Rain

  • Thursday Night

    Thursday Night: Rain. Low around 35. Northeast wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 35 °F

    Rain

  • Friday

    Friday: A 40 percent chance of rain before 1pm. Mostly cloudy, with a high near 45.

    High: 45 °F

    Chance Rain

  • Friday Night

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

    Low: 34 °F

    Mostly Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 52.

    High: 52 °F

    Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.

    Low: 44 °F

    Showers
    Likely

Detailed Forecast

Tonight
Rain, mainly before 4am. Patchy fog. Low around 33. South wind around 6 mph becoming west after midnight. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 50. Calm wind.
Wednesday Night
Partly cloudy, with a low around 28. Calm wind.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 44. Light east wind.
Thursday Night
Rain. Low around 35. Northeast wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A 40 percent chance of rain before 1pm. Mostly cloudy, with a high near 45.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Cloudy, with a high near 52.
Saturday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Sunday
Partly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Sunny, with a high near 58.
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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:
7:28 pm EST Mar 3, 2026
Forecast Valid:
11pm EST Mar 3, 2026-6pm EDT Mar 10, 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