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

84°F

29°C

Humidity 53%
Wind Speed NW 12 mph
Barometer 29.80 in (1009.0 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 11 Aug 2:56 pm EDT
Extended Forecast for

2 Miles S Ledyard CT

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 65. West wind 5 to 7 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84. Calm wind becoming west 5 to 8 mph in the morning.

    High: 84 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 84. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. Light southwest wind.

    Low: 63 °F

    Slight Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 55.

    Low: 55 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 65. West wind 5 to 7 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 84. Calm wind becoming west 5 to 8 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 65. Calm wind.
Thursday
Mostly sunny, with a high near 84. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63. Light southwest wind.
Friday
Sunny, with a high near 82.
Friday Night
Clear, with a low around 55.
Saturday
Sunny, with a high near 81.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Showers likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Monday
Showers likely. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Ledyard CT
 41.4°N 72.01°W (Elev. 197 ft)
Last Update:
3:05 pm EDT Aug 11, 2026
Forecast Valid:
3pm EDT Aug 11, 2026-6pm EDT Aug 18, 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