Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Overcast
37°F
3°C
| Humidity | 70% |
| Wind Speed | W 7 mph |
| Barometer | 29.87 in (1011.3 mb) |
| Dewpoint | 28°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 32°F (0°C) |
| Last update | 26 Feb 5:56 pm EST |
Extended Forecast for
South Lyme CT
Tonight
Low: 20 °F
Slight Chance
Snow Showers
then Mostly
ClearFriday

High: 39 °F
Sunny
Friday Night

Low: 28 °F
Mostly Clear
Saturday

High: 45 °F
Mostly Sunny
Saturday Night

Low: 28 °F
Partly Cloudy
Sunday

High: 37 °F
Chance Snow
Sunday Night

Low: 15 °F
Mostly Clear
Monday

High: 28 °F
Mostly Sunny
Monday Night

Low: 15 °F
Partly Cloudy
Detailed Forecast
Tonight
A 20 percent chance of snow showers before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 20. Calm wind.
Friday
Sunny, with a high near 39. Wind chill values between 20 and 30. Light and variable wind.
Friday Night
Mostly clear, with a low around 28. Calm wind.
Saturday
Mostly sunny, with a high near 45. Calm wind becoming south around 6 mph.
Saturday Night
Partly cloudy, with a low around 28. Light and variable wind.
Sunday
A 30 percent chance of snow before 1pm. Partly sunny, with a high near 37.
Sunday Night
Mostly clear, with a low around 15.
Monday
Mostly sunny, with a high near 28.
Monday Night
Partly cloudy, with a low around 15.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 28.
Wednesday
A 40 percent chance of rain. Partly sunny, with a high near 46.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 30.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 46.
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)
12:59 pm EST Feb 26, 2026
6pm EST Feb 26, 2026-6pm EST Mar 5, 2026


