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.

Overcast and Breezy

36°F

2°C

Humidity 70%
Wind Speed S 21 mph
Barometer 30.27 in (1025.1 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 21 Jan 6:56 pm EST
Extended Forecast for

2 Miles SSE South Lyme CT

  • Tonight

    Tonight: A chance of snow, mixing with rain after 10pm, then gradually ending. Cloudy, with a steady temperature around 38. Southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.

    Low: 38 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 42. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. Wind chill values between 20 and 25. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 34. Wind chill values between 15 and 25. West wind 9 to 14 mph, with gusts as high as 24 mph.

    High: 34 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 8. Northwest wind 14 to 16 mph, with gusts as high as 28 mph.

    Low: 8 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 17.

    High: 17 °F

    Cold

  • Saturday Night

    Saturday Night: A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow. High near 24. Chance of precipitation is 80%.

    High: 24 °F

    Snow

  • Sunday Night

    Sunday Night: Snow. Low around 18. Chance of precipitation is 80%.

    Low: 18 °F

    Snow

Detailed Forecast

Tonight
A chance of snow, mixing with rain after 10pm, then gradually ending. Cloudy, with a steady temperature around 38. Southwest wind 10 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 40%.
Thursday
Mostly sunny, with a high near 42. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 26. Wind chill values between 20 and 25. West wind around 10 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 34. Wind chill values between 15 and 25. West wind 9 to 14 mph, with gusts as high as 24 mph.
Friday Night
Partly cloudy, with a low around 8. Northwest wind 14 to 16 mph, with gusts as high as 28 mph.
Saturday
Mostly sunny and cold, with a high near 17.
Saturday Night
A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 10.
Sunday
Snow. High near 24. Chance of precipitation is 80%.
Sunday Night
Snow. Low around 18. Chance of precipitation is 80%.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 28.
Monday Night
Partly cloudy, with a low around 13.
Tuesday
Sunny, with a high near 25.
Tuesday Night
Mostly clear, with a low around 14.
Wednesday
Mostly sunny, with a high near 27.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE South Lyme CT
 41.28°N 72.3°W (Elev. 0 ft)
Last Update:
6:01 pm EST Jan 21, 2026
Forecast Valid:
7pm EST Jan 21, 2026-6pm EST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation