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

71°F

22°C

Humidity 73%
Wind Speed SW 7 mph
Barometer 30.30 in (1025.8 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 16 Sep 3:56 pm EDT
Extended Forecast for

2 Miles S Ledyard CT

  • Tonight

    Tonight: Patchy fog after 9pm. Otherwise, mostly clear, with a low around 61. Southwest wind around 6 mph becoming calm in the evening.

    Low: 61 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 79. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of showers, mainly between 11pm and 5am. Mostly cloudy, with a low around 66. Southwest wind around 6 mph.

    Low: 66 °F

    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 79. North wind 6 to 9 mph.

    High: 79 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. North wind around 6 mph.

    Low: 51 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.

    High: 67 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.

    Low: 54 °F

    Showers
    Likely

Detailed Forecast

Tonight
Patchy fog after 9pm. Otherwise, mostly clear, with a low around 61. Southwest wind around 6 mph becoming calm in the evening.
Thursday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 79. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
A 40 percent chance of showers, mainly between 11pm and 5am. Mostly cloudy, with a low around 66. Southwest wind around 6 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 79. North wind 6 to 9 mph.
Friday Night
Partly cloudy, with a low around 51. North wind around 6 mph.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 68.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 53.
Tuesday
A 30 percent chance of showers. Mostly cloudy, with a high near 67.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Partly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Ledyard CT
 41.42°N 72°W (Elev. 266 ft)
Last Update:
3:19 pm EDT Sep 16, 2026
Forecast Valid:
4pm EDT Sep 16, 2026-6pm EDT Sep 23, 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