National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

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 46%
Wind Speed NW 15 mph
Barometer 29.82 in (1009.7 mb)
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 24 Feb 10:56 am EST
Extended Forecast for

3 Miles SE South Lyme CT

  • Today

    Today: Sunny, with a high near 30. Wind chill values between 15 and 20. Northwest wind 13 to 18 mph.

    High: 30 °F

    Sunny

  • Tonight

    Tonight: A 50 percent chance of snow after 4am. Increasing clouds, with a low around 20. Wind chill values between 10 and 15. West wind 6 to 10 mph becoming south after midnight.

    Low: 20 °F

    Mostly Clear
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow before 1pm, then a slight chance of rain showers between 1pm and 4pm. High near 39. Wind chill values between 20 and 30. Southwest wind 11 to 14 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 39 °F

    Snow then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. Southwest wind around 9 mph.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of snow after 1pm. Partly sunny, with a high near 38. West wind around 7 mph.

    High: 38 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Snow Likely

  • Friday

    Friday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 30. Wind chill values between 15 and 20. Northwest wind 13 to 18 mph.
Tonight
A 50 percent chance of snow after 4am. Increasing clouds, with a low around 20. Wind chill values between 10 and 15. West wind 6 to 10 mph becoming south after midnight.
Wednesday
Snow before 1pm, then a slight chance of rain showers between 1pm and 4pm. High near 39. Wind chill values between 20 and 30. Southwest wind 11 to 14 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Wednesday Night
Partly cloudy, with a low around 31. Southwest wind around 9 mph.
Thursday
A 40 percent chance of snow after 1pm. Partly sunny, with a high near 38. West wind around 7 mph.
Thursday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Mostly sunny, with a high near 37.
Friday Night
Mostly clear, with a low around 29.
Saturday
Mostly sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 30.
Sunday
Partly sunny, with a high near 39.
Sunday Night
Partly cloudy, with a low around 18.
Monday
A 30 percent chance of snow. Mostly sunny, with a high near 29.
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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:
10:52 am EST Feb 24, 2026
Forecast Valid:
11am EST Feb 24, 2026-6pm EST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation