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

25°F

-4°C

Humidity 66%
Wind Speed W 3 mph
Barometer 30.14 in (1020.5 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 4 Feb 6:56 am EST
Extended Forecast for

3 Miles SE Old Lyme CT

  • Today

    Today: Sunny, with a high near 32. Wind chill values between 15 and 25. Northwest wind 5 to 11 mph, with gusts as high as 21 mph.

    High: 32 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 12. Northwest wind around 5 mph.

    Low: 12 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 31. Wind chill values between 5 and 15. North wind around 6 mph.

    High: 31 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 12. Wind chill values between 5 and 10. North wind 3 to 5 mph.

    Low: 12 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 29. Light and variable wind becoming south around 5 mph.

    High: 29 °F

    Partly Sunny

  • Friday Night

    Friday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Mostly Cloudy
    then Snow
    Showers
    Likely

  • Saturday

    Saturday: A 40 percent chance of snow showers. Mostly cloudy, with a high near 26. Blustery.

    High: 26 °F

    Chance Snow
    Showers and
    Blustery

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 2. Blustery.

    Low: 2 °F

    Partly Cloudy
    and Blustery

  • Sunday

    Sunday: Mostly sunny and cold, with a high near 18.

    High: 18 °F

    Cold

Detailed Forecast

Today
Sunny, with a high near 32. Wind chill values between 15 and 25. Northwest wind 5 to 11 mph, with gusts as high as 21 mph.
Tonight
Mostly clear, with a low around 12. Northwest wind around 5 mph.
Thursday
Sunny, with a high near 31. Wind chill values between 5 and 15. North wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 12. Wind chill values between 5 and 10. North wind 3 to 5 mph.
Friday
Partly sunny, with a high near 29. Light and variable wind becoming south around 5 mph.
Friday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 17. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
A 40 percent chance of snow showers. Mostly cloudy, with a high near 26. Blustery.
Saturday Night
Partly cloudy, with a low around 2. Blustery.
Sunday
Mostly sunny and cold, with a high near 18.
Sunday Night
Partly cloudy, with a low around 7.
Monday
Mostly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Mostly 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:
2:42 am EST Feb 4, 2026
Forecast Valid:
7am 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