Hazardous Weather Conditions
Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Light Snow
19°F
-7°C
| Humidity | 81% |
| Wind Speed | W 9 G 15 mph |
| Barometer | 29.93 in (1013.3 mb) |
| Dewpoint | 14°F (-10°C) |
| Visibility | 3.00 mi |
| Wind Chill | 8°F (-13°C) |
| Last update | 27 Jan 5:56 pm EST |
Extended Forecast for
South Lyme CT
Tonight

Low: 8 °F
Chance
FlurriesWednesday

High: 25 °F
Increasing
CloudsWednesday Night

Low: 8 °F
Mostly Cloudy
Thursday

High: 23 °F
Sunny
Thursday Night

Low: 5 °F
Mostly Clear
Friday

High: 19 °F
Cold
Friday Night

Low: 2 °F
Mostly Clear
Saturday

High: 23 °F
Mostly Sunny
Saturday Night

Low: 13 °F
Chance Snow
Detailed Forecast
Tonight
A chance of flurries before 7pm. Mostly cloudy during the early evening, then gradual clearing, with a low around 8. Wind chill values between zero and 5. West wind 6 to 9 mph, with gusts as high as 23 mph.
Wednesday
Increasing clouds, with a high near 25. Wind chill values between zero and 10. West wind 3 to 6 mph.
Wednesday Night
Mostly cloudy, with a low around 8. Wind chill values between zero and 5. Light northwest wind.
Thursday
Sunny, with a high near 23. Wind chill values between zero and 10. Northwest wind 5 to 8 mph.
Thursday Night
Mostly clear, with a low around 5. Northwest wind around 6 mph.
Friday
Sunny and cold, with a high near 19.
Friday Night
Mostly clear, with a low around 2.
Saturday
Mostly sunny, with a high near 23.
Saturday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 13.
Sunday
Snow likely, mainly before 1pm. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 17.
Monday
Sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 17.
Tuesday
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)
12:48 pm EST Jan 27, 2026
6pm EST Jan 27, 2026-6pm EST Feb 3, 2026



