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.

Light Snow and Windy

14°F

-10°C

Humidity 67%
Wind Speed NW 29 G 41 mph
Barometer 29.54 in (1000.3 mb)
Dewpoint 5°F (-15°C)
Visibility 1.25 mi
Wind Chill-7°F (-22°C)
Last update 7 Feb 12:56 pm EST
Extended Forecast for

3 Miles SE Old Lyme CT

Wind Advisory until February 8, 12:00am
Extreme Cold Warning February 7, 06:00pm until February 8, 01:00pm
Click here for hazard details and duration
Wind Advisory
Extreme Cold Warning
  •  
    Wind Advisory until February 8, 12:00am

    NOW until 12:00am Sun

    Wind Advisory

  • This Afternoon

    High: 25 °F

    Snow Likely
    and Blustery

  • Tonight

    Tonight: A 30 percent chance of snow before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 5. Wind chill values between -5 and -10. Windy, with a northwest wind 16 to 26 mph, with gusts as high as 45 mph.

    Low: 5 °F

    Chance Snow
    and Windy
    then Partly
    Cloudy and
    Blustery

  • Sunday

    Sunday: Sunny, with a high near 21. Wind chill values between -5 and -15. Northwest wind around 16 mph, with gusts as high as 30 mph.

    High: 21 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 9. Wind chill values between -5 and 5. Northwest wind 9 to 14 mph, with gusts as high as 26 mph.

    Low: 9 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 29. Northwest wind around 10 mph.

    High: 29 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 32.

    High: 32 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

This Afternoon
Snow likely, mainly before 4pm. Cloudy, with a high near 25. Wind chill values between zero and 5. Blustery, with a north wind around 25 mph, with gusts as high as 43 mph. Chance of precipitation is 70%. Total daytime snow accumulation of around an inch possible.
Tonight
A 30 percent chance of snow before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 5. Wind chill values between -5 and -10. Windy, with a northwest wind 16 to 26 mph, with gusts as high as 45 mph.
Sunday
Sunny, with a high near 21. Wind chill values between -5 and -15. Northwest wind around 16 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 9. Wind chill values between -5 and 5. Northwest wind 9 to 14 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 29. Northwest wind around 10 mph.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Partly sunny, with a high near 32.
Tuesday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 39.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 35.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Old Lyme CT
 41.28°N 72.3°W (Elev. 0 ft)
Last Update:
12:15 pm EST Feb 7, 2026
Forecast Valid:
1pm EST Feb 7, 2026-6pm EST Feb 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation