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

23°F

-5°C

Humidity 38%
Wind Speed W 12 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 28 Jan 1:56 pm EST
Extended Forecast for

3 Miles SE South Lyme CT

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 24. Wind chill values between 15 and 20. West wind 7 to 9 mph.

    High: 24 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of snow before 1am. Mostly cloudy, with a low around 11. Wind chill values between zero and 5. Northwest wind 6 to 9 mph.

    Low: 11 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 23. Wind chill values between -5 and 5. West wind around 11 mph.

    High: 23 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 8. Wind chill values between -10 and zero. Northwest wind 11 to 13 mph, with gusts as high as 23 mph.

    Low: 8 °F

    Mostly Clear

  • Friday

    Friday: Sunny and cold, with a high near 18. West wind 13 to 15 mph.

    High: 18 °F

    Cold

  • Friday Night

    Friday Night: Mostly clear, with a low around 5.

    Low: 5 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of snow after 1am. Mostly cloudy, with a low around 15. Blustery.

    Low: 15 °F

    Mostly Cloudy
    then Chance
    Snow and
    Blustery

  • Sunday

    Sunday: Snow likely, mainly before 1pm. Cloudy, with a high near 27. Windy. Chance of precipitation is 60%.

    High: 27 °F

    Snow Likely
    and Windy

Detailed Forecast

This Afternoon
Partly sunny, with a high near 24. Wind chill values between 15 and 20. West wind 7 to 9 mph.
Tonight
A 20 percent chance of snow before 1am. Mostly cloudy, with a low around 11. Wind chill values between zero and 5. Northwest wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 23. Wind chill values between -5 and 5. West wind around 11 mph.
Thursday Night
Mostly clear, with a low around 8. Wind chill values between -10 and zero. Northwest wind 11 to 13 mph, with gusts as high as 23 mph.
Friday
Sunny and cold, with a high near 18. West wind 13 to 15 mph.
Friday Night
Mostly clear, with a low around 5.
Saturday
Mostly sunny, with a high near 22.
Saturday Night
A 50 percent chance of snow after 1am. Mostly cloudy, with a low around 15. Blustery.
Sunday
Snow likely, mainly before 1pm. Cloudy, with a high near 27. Windy. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 19. Windy.
Monday
Mostly sunny, with a high near 32.
Monday Night
Mostly clear, with a low around 20.
Tuesday
Mostly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE South Lyme CT
 41.3°N 72.24°W (Elev. 0 ft)
Last Update:
12:32 pm EST Jan 28, 2026
Forecast Valid:
2pm EST Jan 28, 2026-6pm EST Feb 3, 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