Hazardous Weather Conditions
Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Fair
13°F
-11°C
| Humidity | 51% |
| Wind Speed | NW 15 mph |
| Barometer | 29.95 in (1014.3 mb) |
| Dewpoint | -2°F (-19°C) |
| Visibility | 10.00 mi |
| Wind Chill | -3°F (-19°C) |
| Last update | 27 Jan 3:56 am EST |
Extended Forecast for
South Lyme CT
Today

High: 23 °F
Increasing
CloudsTonight

Low: 8 °F
Mostly Clear
Wednesday

High: 24 °F
Increasing
CloudsWednesday Night

Low: 9 °F
Mostly Cloudy
Thursday

High: 23 °F
Mostly Sunny
Thursday Night

Low: 5 °F
Mostly Clear
Friday

High: 21 °F
Sunny
Friday Night

Low: 3 °F
Mostly Clear
Saturday

High: 24 °F
Mostly Sunny
Detailed Forecast
Today
Increasing clouds, with a high near 23. Wind chill values between -5 and 5. West wind 7 to 13 mph, with gusts as high as 24 mph.
Tonight
Mostly clear, with a low around 8. Wind chill values between zero and 5. West wind 6 to 9 mph, with gusts as high as 24 mph.
Wednesday
Increasing clouds, with a high near 24. Wind chill values between zero and 10. West wind 3 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 9. Light northwest wind.
Thursday
Mostly sunny, with a high near 23. Northwest wind 5 to 9 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 5.
Friday
Sunny, with a high near 21.
Friday Night
Mostly clear, with a low around 3.
Saturday
Mostly sunny, with a high near 24.
Saturday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 13.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 29.
Sunday Night
Mostly cloudy, with a low around 17.
Monday
Mostly sunny, with a high near 32.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
South Lyme CT
41.32°N 72.29°W (Elev. 98 ft)
41.32°N 72.29°W (Elev. 98 ft)
1:34 am EST Jan 27, 2026
4am EST Jan 27, 2026-6pm EST Feb 2, 2026



