Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Partly Cloudy
31°F
-1°C
| Humidity | 56% |
| Wind Speed | SW 7 mph |
| Barometer | 30.01 in (1016.2 mb) |
| Dewpoint | 17°F (-8°C) |
| Visibility | 10.00 mi |
| Wind Chill | 24°F (-4°C) |
| Last update | 10 Feb 2:56 pm EST |
Extended Forecast for
South Lyme CT
This Afternoon

High: 34 °F
Slight Chance
SnowTonight

Low: 27 °F
Rain/Snow
Wednesday

High: 39 °F
Mostly Sunny
Wednesday Night

Low: 22 °F
Partly Cloudy
Thursday

High: 34 °F
Mostly Sunny
Thursday Night

Low: 16 °F
Partly Cloudy
Friday

High: 35 °F
Sunny
Friday Night

Low: 22 °F
Mostly Cloudy
Saturday

High: 39 °F
Mostly Sunny
Detailed Forecast
This Afternoon
A 20 percent chance of snow. Mostly cloudy, with a high near 34. Light south wind.
Tonight
Rain and snow, becoming all rain after 1am, then gradually ending. Low around 27. Calm wind. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday
Mostly sunny, with a high near 39. Wind chill values between 25 and 30. Light west wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 22. Wind chill values between 10 and 15. West wind around 11 mph, with gusts as high as 26 mph.
Thursday
Mostly sunny, with a high near 34. Northwest wind 11 to 15 mph, with gusts as high as 28 mph.
Thursday Night
Partly cloudy, with a low around 16.
Friday
Sunny, with a high near 35.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 39.
Saturday Night
Mostly clear, with a low around 22.
Sunday
Mostly sunny, with a high near 39.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Washington's Birthday
A chance of rain and snow. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 29.
Tuesday
Mostly sunny, with a high near 42.
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)
1:06 pm EST Feb 10, 2026
3pm EST Feb 10, 2026-6pm EST Feb 17, 2026


