Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Overcast

10°F

-12°C

Humidity 37%
Wind Speed NE 7 mph
Barometer 30.62 in (1036.7 mb)
Dewpoint -11°F (-24°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 25 Jan 5:56 am EST
Extended Forecast for

3 Miles SE South Lyme CT

Winter Storm Warning until January 26, 01:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning until January 26, 01:00pm

    NOW until 1:00pm Mon

    Winter Storm Warning

  • Today

    High: 31 °F

    Heavy Snow

  • Tonight

    Tonight: Snow and sleet before 1am, then a chance of freezing rain and sleet between 1am and 4am, then a slight chance of snow, freezing rain, and sleet after 4am. The snow could be heavy at times.  Temperature rising to around 31 by 4am. Wind chill values between 10 and 20. Blustery, with a northeast wind 14 to 22 mph, with gusts as high as 33 mph.  Chance of precipitation is 100%. Little or no ice accumulation expected.  New snow and sleet accumulation of 2 to 4 inches possible.

    Low: 26 °F

    Wintry Mix
    and Blustery

  • Monday

    Monday: Snow likely, possibly mixed with freezing rain and sleet before 1pm, then a chance of snow.  Cloudy, with a high near 31. Wind chill values between 15 and 20. North wind 8 to 13 mph becoming northwest in the afternoon.  Chance of precipitation is 60%. Little or no ice accumulation expected.  New snow and sleet accumulation of less than a half inch possible.

    High: 31 °F

    Wintry Mix
    Likely

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 14. Wind chill values between zero and 10. Northwest wind 15 to 18 mph, with gusts as high as 30 mph.

    Low: 14 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 23. West wind 11 to 14 mph.

    High: 23 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 24.

    High: 24 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

Detailed Forecast

Today
Snow, mainly after 7am. The snow could be heavy at times. High near 31. Wind chill values between 5 and 10. Northeast wind 6 to 11 mph increasing to 13 to 18 mph in the afternoon. Chance of precipitation is 100%. Total daytime snow accumulation of 6 to 10 inches possible.
Tonight
Snow and sleet before 1am, then a chance of freezing rain and sleet between 1am and 4am, then a slight chance of snow, freezing rain, and sleet after 4am. The snow could be heavy at times. Temperature rising to around 31 by 4am. Wind chill values between 10 and 20. Blustery, with a northeast wind 14 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New snow and sleet accumulation of 2 to 4 inches possible.
Monday
Snow likely, possibly mixed with freezing rain and sleet before 1pm, then a chance of snow. Cloudy, with a high near 31. Wind chill values between 15 and 20. North wind 8 to 13 mph becoming northwest in the afternoon. Chance of precipitation is 60%. Little or no ice accumulation expected. New snow and sleet accumulation of less than a half inch possible.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 14. Wind chill values between zero and 10. Northwest wind 15 to 18 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 23. West wind 11 to 14 mph.
Tuesday Night
Partly cloudy, with a low around 11.
Wednesday
Sunny, with a high near 24.
Wednesday Night
Mostly cloudy, with a low around 13.
Thursday
Partly sunny, with a high near 23.
Thursday Night
Mostly clear, with a low around 9.
Friday
Sunny, with a high near 22.
Friday Night
Partly cloudy, with a low around 12.
Saturday
Mostly sunny, with a high near 27.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE South Lyme CT
 41.3°N 72.24°W (Elev. 0 ft)
5:25 am EST Jan 25, 2026
6am EST Jan 25, 2026-6pm EST Jan 31, 2026
 
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