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.

Blowing Snow and Breezy

3°F

-16°C

Humidity 49%
Wind Speed N 25 G 36 mph
Barometer 29.92 in (1013.2 mb)
Dewpoint -12°F (-24°C)
Visibility 9.00 mi
Wind Chill-20°F (-29°C)
Last update 8 Feb 1:56 am EST
Extended Forecast for

2 Miles SSE South Lyme CT

Cold Weather Advisory February 8, 01:00pm until February 9, 10:00am
Extreme Cold Warning February 8, 02:37am until February 8, 01:00pm
Click here for hazard details and duration
Cold Weather Advisory
Extreme Cold Warning
  •  
    Extreme Cold Warning February 8, 02:37am until February 8, 01:00pm

    NOW until 1:00pm Sun

    Extreme Cold Warning

  • Overnight

    Low: 3 °F

    Mostly Clear
    and Blustery

  • Sunday

    Sunday: Sunny and cold, with a high near 18. Wind chill values between -5 and -15. Northwest wind 15 to 17 mph, with gusts as high as 34 mph.

    High: 18 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 8. Wind chill values between -5 and zero. Northwest wind 9 to 15 mph, with gusts as high as 28 mph.

    Low: 8 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 29. Wind chill values between -5 and 5. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 29 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15. Northwest wind 3 to 7 mph.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 34.

    High: 34 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 3. Wind chill values between -15 and -20. Blustery, with a northwest wind 18 to 20 mph, with gusts as high as 37 mph.
Sunday
Sunny and cold, with a high near 18. Wind chill values between -5 and -15. Northwest wind 15 to 17 mph, with gusts as high as 34 mph.
Sunday Night
Mostly clear, with a low around 8. Wind chill values between -5 and zero. Northwest wind 9 to 15 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 29. Wind chill values between -5 and 5. Northwest wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 15. Northwest wind 3 to 7 mph.
Tuesday
Increasing clouds, with a high near 34.
Tuesday Night
A 30 percent chance of snow before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Mostly clear, with a low around 22.
Thursday
Partly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Partly sunny, with a high near 35.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 36.
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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:
2:11 am EST Feb 8, 2026
Forecast Valid:
2am EST Feb 8, 2026-6pm EST Feb 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation