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

18°F

-8°C

Humidity 77%
Wind Speed N 14 G 24 mph
Barometer 29.72 in (1006.5 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 26 Jan 3:56 am EST
Extended Forecast for

2 Miles SSE South Lyme CT

  • Overnight

    Overnight: A 20 percent chance of snow. Cloudy, with a steady temperature around 28. Wind chill values between 15 and 20. Northeast wind around 18 mph.

    Low: 28 °F

    Slight Chance
    Snow

  • Monday

    Monday: A 50 percent chance of snow, mainly after 7am. Cloudy, with a steady temperature around 27. Wind chill values between 15 and 20. North wind 7 to 10 mph.

    High: 27 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 12. Wind chill values between zero and 10. Northwest wind 13 to 15 mph, with gusts as high as 28 mph.

    Low: 12 °F

    Gradual
    Clearing

  • Tuesday

    Tuesday: Increasing clouds, with a high near 24. Wind chill values between zero and 10. Southwest wind 10 to 14 mph.

    High: 24 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 12. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 12 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 24.

    High: 24 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 22.

    High: 22 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 6.

    Low: 6 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of snow. Cloudy, with a steady temperature around 28. Wind chill values between 15 and 20. Northeast wind around 18 mph.
Monday
A 50 percent chance of snow, mainly after 7am. Cloudy, with a steady temperature around 27. Wind chill values between 15 and 20. North wind 7 to 10 mph.
Monday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 12. Wind chill values between zero and 10. Northwest wind 13 to 15 mph, with gusts as high as 28 mph.
Tuesday
Increasing clouds, with a high near 24. Wind chill values between zero and 10. Southwest wind 10 to 14 mph.
Tuesday Night
Mostly clear, with a low around 12. West wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 24.
Wednesday Night
Mostly cloudy, with a low around 10.
Thursday
Mostly sunny, with a high near 22.
Thursday Night
Mostly clear, with a low around 6.
Friday
Sunny and cold, with a high near 19.
Friday Night
Mostly clear, with a low around 8.
Saturday
Sunny, with a high near 25.
Saturday Night
Mostly clear, with a low around 11.
Sunday
Mostly sunny, with a high near 29.
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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:
1:49 am EST Jan 26, 2026
Forecast Valid:
4am EST Jan 26, 2026-6pm EST Feb 1, 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