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.

Light Rain

70°F

21°C

Humidity 84%
Wind Speed SE 7 mph
Barometer 29.83 in (1009.9 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 5 Sep 4:56 pm EDT
Extended Forecast for

Ledyard CT

  • This Afternoon

    This Afternoon: Showers. Steady temperature around 73. Light east wind. Chance of precipitation is 80%.

    High: 73 °F

    Showers

  • Tonight

    Tonight: Showers, mainly before 8pm. Low around 55. Light north wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Showers then
    Slight Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 11am. Mostly sunny, with a high near 71. North wind 5 to 7 mph.

    High: 71 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 50. Light and variable wind.

    Low: 50 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 77. Northwest wind 5 to 8 mph.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers. Steady temperature around 73. Light east wind. Chance of precipitation is 80%.
Tonight
Showers, mainly before 8pm. Low around 55. Light north wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 30 percent chance of showers, mainly before 11am. Mostly sunny, with a high near 71. North wind 5 to 7 mph.
Sunday Night
Mostly clear, with a low around 50. Light and variable wind.
Labor Day
Sunny, with a high near 77. Northwest wind 5 to 8 mph.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Partly sunny, with a high near 77.
Wednesday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 68.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 72.
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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:
4:05 pm EDT Sep 5, 2026
Forecast Valid:
5pm EDT Sep 5, 2026-6pm EDT Sep 12, 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