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Hazardous Weather Conditions

Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

41°F

5°C

Humidity 60%
Wind Speed W 12 mph
Barometer 29.96 in (1014.3 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 22 Jan 12:56 pm EST
Extended Forecast for

2 Miles SSE South Lyme CT

Winter Storm Watch January 25, 03:00am until January 26, 06:00pm
Cold Weather Advisory January 23, 10:00pm until January 24, 10:00am
Click here for hazard details and duration
Winter Storm Watch
Cold Weather Advisory

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 41. West wind around 14 mph, with gusts as high as 24 mph.

    High: 41 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. Wind chill values between 15 and 20. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 26 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 35. Wind chill values between 15 and 25. West wind 9 to 17 mph, with gusts as high as 30 mph.

    High: 35 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 7. Wind chill values between -10 and zero. Northwest wind 13 to 18 mph, with gusts as high as 31 mph.

    Low: 7 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 17. Northwest wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 17 °F

    Cold

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow, mainly after 7am. The snow could be heavy at times. High near 28. Chance of precipitation is 90%.

    High: 28 °F

    Heavy Snow

  • Sunday Night

    Sunday Night: Snow. Low around 21. Chance of precipitation is 100%.

    Low: 21 °F

    Snow

  • Monday

    Monday: Snow likely, mainly before 1pm. Mostly cloudy, with a high near 30. Chance of precipitation is 70%.

    High: 30 °F

    Snow Likely

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 41. West wind around 14 mph, with gusts as high as 24 mph.
Tonight
Mostly cloudy, with a low around 26. Wind chill values between 15 and 20. West wind around 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 35. Wind chill values between 15 and 25. West wind 9 to 17 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 7. Wind chill values between -10 and zero. Northwest wind 13 to 18 mph, with gusts as high as 31 mph.
Saturday
Mostly sunny and cold, with a high near 17. Northwest wind 10 to 13 mph, with gusts as high as 23 mph.
Saturday Night
Mostly cloudy, with a low around 10.
Sunday
Snow, mainly after 7am. The snow could be heavy at times. High near 28. Chance of precipitation is 90%.
Sunday Night
Snow. Low around 21. Chance of precipitation is 100%.
Monday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 30. Chance of precipitation is 70%.
Monday Night
A 30 percent chance of snow showers before midnight. Partly cloudy, with a low around 13.
Tuesday
Mostly sunny, with a high near 24.
Tuesday Night
Mostly clear, with a low around 13.
Wednesday
Mostly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE South Lyme CT
 41.28°N 72.3°W (Elev. 0 ft)
Last Update:
1:42 pm EST Jan 22, 2026
Forecast Valid:
1pm EST Jan 22, 2026-6pm EST Jan 28, 2026
 
Forecast Discussion
 
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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