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.

Fair

54°F

12°C

Humidity 80%
Wind Speed Calm
Barometer 29.96 in (1014.3 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 8 Oct 8:56 pm EDT
Extended Forecast for

3 Miles WSW Ledyard CT

  • Tonight

    Tonight: Clear, with a low around 45. Northwest wind around 5 mph becoming calm in the evening.

    Low: 45 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 68. Light west wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 25 mph.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42. West wind around 5 mph becoming calm.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 66. Light and variable wind becoming northwest around 5 mph in the afternoon.

    High: 66 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Showers after 8pm. Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    Showers

  • Columbus Day

    Columbus Day: A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 70.

    High: 70 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 45. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 68. Light west wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 42. West wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 66. Light and variable wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 50. Calm wind.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Showers after 8pm. Low around 57. Chance of precipitation is 80%.
Columbus Day
A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 70.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW Ledyard CT
 41.43°N 72.06°W (Elev. 200 ft)
Last Update:
7:47 pm EDT Oct 8, 2026
Forecast Valid:
9pm EDT Oct 8, 2026-6pm EDT Oct 15, 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