Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

40°F

4°C

Humidity 89%
Wind Speed N 3 mph
Barometer 30.55 in (1034.4 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 18 Oct 10:56 pm EDT
Extended Forecast for

Ledyard CT

Frost Advisory October 19, 02:00am until October 19, 08:00am
Click here for hazard details and duration
Frost Advisory
  • Tonight

    Tonight: Clear, with a low around 34. Calm wind.

    Low: 34 °F

    Clear

  • Monday

    Monday: Increasing clouds, with a high near 62. Northeast wind 5 to 8 mph.

    High: 62 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 41. North wind 6 to 10 mph, with gusts as high as 21 mph.

    Low: 41 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 62. North wind around 14 mph, with gusts as high as 28 mph.

    High: 62 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. Northeast wind 8 to 14 mph, with gusts as high as 26 mph.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 34. Calm wind.
Monday
Increasing clouds, with a high near 62. Northeast wind 5 to 8 mph.
Monday Night
Mostly cloudy, with a low around 41. North wind 6 to 10 mph, with gusts as high as 21 mph.
Tuesday
Mostly cloudy, with a high near 62. North wind around 14 mph, with gusts as high as 28 mph.
Tuesday Night
Partly cloudy, with a low around 42. Northeast wind 8 to 14 mph, with gusts as high as 26 mph.
Wednesday
Mostly sunny, with a high near 58.
Wednesday Night
Mostly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 41.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 36.
Sunday
Sunny, with a high near 61.
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ABOUT THIS FORECAST

 
Point Forecast:
Ledyard CT
 41.44°N 72°W (Elev. 200 ft)
7:53 pm EDT Oct 18, 2026
11pm EDT Oct 18, 2026-6pm EDT Oct 25, 2026
 
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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