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

23°F

-5°C

Humidity 38%
Wind Speed W 12 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 28 Jan 1:56 pm EST
Extended Forecast for

3 Miles ESE South Lyme CT

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 24. Wind chill values between 15 and 20. West wind around 7 mph.

    High: 24 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of snow before 1am. Mostly cloudy, with a low around 9. Wind chill values between zero and 5. Calm wind becoming northwest around 6 mph in the evening.

    Low: 9 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: Mostly sunny, with a high near 23. Wind chill values between zero and 10. West wind 7 to 10 mph.

    High: 23 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 6. Wind chill values between -5 and 5. Northwest wind around 9 mph, with gusts as high as 21 mph.

    Low: 6 °F

    Mostly Clear

  • Friday

    Friday: Sunny and cold, with a high near 18. West wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 18 °F

    Cold

  • Friday Night

    Friday Night: Mostly clear, with a low around 4.

    Low: 4 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Snow likely, mainly before 1pm. Cloudy, with a high near 27. Blustery. Chance of precipitation is 60%.

    High: 27 °F

    Snow Likely
    and Blustery

Detailed Forecast

This Afternoon
Partly sunny, with a high near 24. Wind chill values between 15 and 20. West wind around 7 mph.
Tonight
A 20 percent chance of snow before 1am. Mostly cloudy, with a low around 9. Wind chill values between zero and 5. Calm wind becoming northwest around 6 mph in the evening.
Thursday
Mostly sunny, with a high near 23. Wind chill values between zero and 10. West wind 7 to 10 mph.
Thursday Night
Mostly clear, with a low around 6. Wind chill values between -5 and 5. Northwest wind around 9 mph, with gusts as high as 21 mph.
Friday
Sunny and cold, with a high near 18. West wind 9 to 11 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 4.
Saturday
Mostly sunny, with a high near 21.
Saturday Night
A 40 percent chance of snow after 1am. Mostly cloudy, with a low around 13.
Sunday
Snow likely, mainly before 1pm. Cloudy, with a high near 27. Blustery. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 18.
Monday
Mostly sunny, with a high near 32.
Monday Night
Mostly clear, with a low around 18.
Tuesday
Mostly sunny, with a high near 32.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE South Lyme CT
 41.3°N 72.27°W (Elev. 75 ft)
Last Update:
12:32 pm EST Jan 28, 2026
Forecast Valid:
2pm EST Jan 28, 2026-6pm EST Feb 3, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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