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

27°F

-3°C

Humidity 41%
Wind Speed NW 8 G 22 mph
Barometer 29.87 in (1011.3 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 24 Feb 5:56 pm EST
Extended Forecast for

2 Miles N South Lyme CT

  • Tonight

    Tonight: A 40 percent chance of snow after 4am. Increasing clouds, with a low around 15. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 15 °F

    Partly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow, possibly mixing with rain after 10am, then gradually ending. High near 39. Wind chill values between 20 and 30. Southwest wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    High: 39 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 28. West wind around 5 mph.

    Low: 28 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of snow after 4pm. Increasing clouds, with a high near 39. West wind 3 to 6 mph.

    High: 39 °F

    Mostly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A 30 percent chance of snow, mainly between 7pm and 4am. Mostly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of snow after 4am. Increasing clouds, with a low around 15. Northwest wind 5 to 8 mph becoming calm in the evening.
Wednesday
Snow, possibly mixing with rain after 10am, then gradually ending. High near 39. Wind chill values between 20 and 30. Southwest wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 28. West wind around 5 mph.
Thursday
A 20 percent chance of snow after 4pm. Increasing clouds, with a high near 39. West wind 3 to 6 mph.
Thursday Night
A 30 percent chance of snow, mainly between 7pm and 4am. Mostly cloudy, with a low around 22. Calm wind.
Friday
Mostly sunny, with a high near 38.
Friday Night
Mostly clear, with a low around 26.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Partly cloudy, with a low around 17.
Monday
A 40 percent chance of snow. Partly sunny, with a high near 29.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 18.
Tuesday
A chance of rain and snow. Partly sunny, with a high near 35. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N South Lyme CT
 41.35°N 72.29°W (Elev. 98 ft)
Last Update:
4:55 pm EST Feb 24, 2026
Forecast Valid:
6pm EST Feb 24, 2026-6pm EST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation