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

31°F

-1°C

Humidity 43%
Wind Speed NW 9 mph
Barometer 30.12 in (1019.7 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 13 Feb 10:56 am EST
Extended Forecast for

3 Miles SE South Lyme CT

  • Today

    Today: Sunny, with a high near 35. Wind chill values between 20 and 25. West wind around 10 mph.

    High: 35 °F

    Sunny

  • Tonight

    Tonight: Scattered snow showers after 1am. Increasing clouds, with a low around 24. West wind around 7 mph. Chance of precipitation is 30%.

    Low: 24 °F

    Partly Cloudy
    then
    Scattered
    Snow Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 39. Wind chill values between 20 and 30. West wind around 9 mph.

    High: 39 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. Wind chill values between 20 and 25. West wind 6 to 8 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 36. North wind around 6 mph becoming light and variable in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Snow

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 35. Wind chill values between 20 and 25. West wind around 10 mph.
Tonight
Scattered snow showers after 1am. Increasing clouds, with a low around 24. West wind around 7 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 39. Wind chill values between 20 and 30. West wind around 9 mph.
Saturday Night
Mostly clear, with a low around 25. Wind chill values between 20 and 25. West wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 36. North wind around 6 mph becoming light and variable in the afternoon.
Sunday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 28.
Washington's Birthday
Partly sunny, with a high near 40.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Mostly sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
A 40 percent chance of rain. Cloudy, with a high near 44.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 35.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE South Lyme CT
 41.3°N 72.24°W (Elev. 0 ft)
Last Update:
5:10 am EST Feb 13, 2026
Forecast Valid:
11am EST Feb 13, 2026-6pm EST Feb 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation