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

32°F

0°C

Humidity 36%
Wind Speed NW 15 G 22 mph
Barometer 30.12 in (1019.8 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 4 Feb 1:56 pm EST
Extended Forecast for

3 Miles SE Old Lyme CT

  • This Afternoon

    This Afternoon: Sunny, with a high near 32. Wind chill values between 20 and 25. Northwest wind around 11 mph.

    High: 32 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 14. Wind chill values between 5 and 10. Northwest wind around 6 mph.

    Low: 14 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 30. Wind chill values between 5 and 15. North wind around 6 mph.

    High: 30 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 14. Wind chill values between 5 and 10. North wind 3 to 6 mph.

    Low: 14 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 29. North wind around 5 mph becoming light and variable in the morning.

    High: 29 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Light snow likely after 1am. Cloudy, with a low around 16. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 16 °F

    Mostly Cloudy
    then Light
    Snow Likely

  • Saturday

    Saturday: Snow likely, mainly before 1pm. Cloudy, with a high near 24. Blustery. Chance of precipitation is 70%.

    High: 24 °F

    Snow Likely
    and Blustery

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 3. Blustery.

    Low: 3 °F

    Mostly Cloudy
    and Blustery

  • Sunday

    Sunday: Sunny and cold, with a high near 18.

    High: 18 °F

    Cold

Detailed Forecast

This Afternoon
Sunny, with a high near 32. Wind chill values between 20 and 25. Northwest wind around 11 mph.
Tonight
Increasing clouds, with a low around 14. Wind chill values between 5 and 10. Northwest wind around 6 mph.
Thursday
Sunny, with a high near 30. Wind chill values between 5 and 15. North wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 14. Wind chill values between 5 and 10. North wind 3 to 6 mph.
Friday
Mostly cloudy, with a high near 29. North wind around 5 mph becoming light and variable in the morning.
Friday Night
Light snow likely after 1am. Cloudy, with a low around 16. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday
Snow likely, mainly before 1pm. Cloudy, with a high near 24. Blustery. Chance of precipitation is 70%.
Saturday Night
Mostly cloudy, with a low around 3. Blustery.
Sunday
Sunny and cold, with a high near 18.
Sunday Night
Mostly clear, with a low around 7.
Monday
Mostly sunny, with a high near 26.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Partly sunny, with a high near 31.
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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:
1:52 pm EST Feb 4, 2026
Forecast Valid:
2pm EST Feb 4, 2026-6pm EST Feb 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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