News Headlines
- Latest Briefing: Major Winter Storm Sunday into Monday
- Winter Storm Watch Late Saturday Night Through Monday Afternoon
- Cold Weather Advisory Late Friday Evening Until Late Saturday Morning
- Learn More About Winter Hazards and Preparedness
- Students: Interested in Volunteering for NWS New York, NY this Summer?
Hazardous Weather Conditions
Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Fair
28°F
-2°C
| Humidity | 60% |
| Wind Speed | N 5 mph |
| Barometer | 30.08 in (1018.4 mb) |
| Dewpoint | 16°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 22°F (-6°C) |
| Last update | 23 Jan 3:56 am 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
Today
High: 33 °F
Mostly Sunny
Tonight
Low: 7 °F
Partly Cloudy
Saturday
High: 17 °F
Cold
Saturday Night
Low: 10 °F
Mostly Cloudy
then Slight
Chance SnowSunday
High: 28 °F
Heavy Snow
Sunday Night
Low: 26 °F
Snow
Monday
High: 30 °F
Snow
Monday Night
Low: 13 °F
Chance Snow
Tuesday
High: 24 °F
Mostly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 33. Wind chill values between 15 and 25. West wind 9 to 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 7. Wind chill values between -5 and 5. Northwest wind 13 to 15 mph, with gusts as high as 26 mph.
Saturday
Mostly sunny and cold, with a high near 17. Wind chill values between -10 and zero. Northwest wind 10 to 14 mph, with gusts as high as 24 mph.
Saturday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 10. Wind chill values between 5 and 10. Northwest wind 6 to 8 mph.
Sunday
Snow. The snow could be heavy at times. High near 28. Northeast wind 6 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Sunday Night
Snow. Steady temperature around 26. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Monday
Snow. High near 30. Chance of precipitation is 80%.
Monday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 13.
Tuesday
Mostly sunny, with a high near 24.
Tuesday Night
Partly cloudy, with a low around 12.
Wednesday
Mostly sunny, with a high near 25.
Wednesday Night
Partly cloudy, with a low around 12.
Thursday
Partly sunny, with a high near 23.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles SSE South Lyme CT
41.28°N 72.3°W (Elev. 0 ft)
41.28°N 72.3°W (Elev. 0 ft)
2:28 am EST Jan 23, 2026
4am EST Jan 23, 2026-6pm EST Jan 29, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
