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

66°F

19°C

Humidity 96%
Wind Speed S 18 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 7 Oct 7:56 pm EDT
Extended Forecast for

2 Miles S Ledyard CT

  • Tonight

    Tonight: A 30 percent chance of showers after 2am. Mostly cloudy, with a steady temperature around 66. South wind around 11 mph, with gusts as high as 22 mph.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 2pm, then showers likely. High near 69. Southwest wind 10 to 13 mph becoming north in the afternoon. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 69 °F

    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming clear, with a low around 43. North wind around 9 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 58. North wind 10 to 13 mph.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Areas of frost after 4am. Otherwise, clear, with a low around 37. North wind 3 to 5 mph.

    Low: 37 °F

    Clear then
    Areas Frost

  • Friday

    Friday: Areas of frost before 8am. Otherwise, sunny, with a high near 61.

    High: 61 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers after 2am. Mostly cloudy, with a steady temperature around 66. South wind around 11 mph, with gusts as high as 22 mph.
Wednesday
Showers and possibly a thunderstorm before 2pm, then showers likely. High near 69. Southwest wind 10 to 13 mph becoming north in the afternoon. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 43. North wind around 9 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 58. North wind 10 to 13 mph.
Thursday Night
Areas of frost after 4am. Otherwise, clear, with a low around 37. North wind 3 to 5 mph.
Friday
Areas of frost before 8am. Otherwise, sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 43.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 64.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 48.
Columbus Day
A 30 percent chance of rain. Mostly sunny, with a high near 63.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 64.
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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:
4:27 pm EDT Oct 7, 2025
Forecast Valid:
8pm EDT Oct 7, 2025-6pm EDT Oct 14, 2025
 
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