Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Mostly Cloudy
25°F
-4°C
| Humidity | 35% |
| Wind Speed | NW 9 mph |
| Barometer | 30.14 in (1020.7 mb) |
| Dewpoint | 1°F (-17°C) |
| Visibility | 10.00 mi |
| Wind Chill | 16°F (-9°C) |
| Last update | 9 Feb 8:56 pm EST |
Extended Forecast for
South Lyme CT
Tonight
Low: 14 °F
Partly Cloudy
Tuesday
High: 35 °F
Partly Sunny
then Chance
SnowTuesday Night
Low: 26 °F
Wintry Mix
LikelyWednesday
High: 38 °F
Mostly Sunny
Wednesday Night
Low: 21 °F
Partly Cloudy
Thursday
High: 34 °F
Mostly Sunny
Thursday Night
Low: 17 °F
Partly Cloudy
Friday
High: 34 °F
Mostly Sunny
Friday Night
Low: 17 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 14. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
A 30 percent chance of snow after 1pm. Mostly cloudy, with a high near 35. Wind chill values between 15 and 25. Calm wind becoming southwest around 5 mph.
Tuesday Night
Snow likely before 10pm, then rain, snow, and freezing rain likely between 10pm and 1am, then a slight chance of snow after 1am. Cloudy, then gradually becoming partly cloudy, with a low around 26. Calm wind. Chance of precipitation is 60%. Little or no ice accumulation expected. New snow accumulation of less than a half inch possible.
Wednesday
Mostly sunny, with a high near 38. Wind chill values between 25 and 30. Light west wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 21. Northwest wind around 7 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 34.
Friday Night
Mostly clear, with a low around 17.
Saturday
Sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
Sunday Night
Rain and snow likely. Cloudy, with a low around 27. Chance of precipitation is 60%.
Washington's Birthday
Rain likely. Mostly cloudy, with a high near 41. Chance of precipitation is 60%.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
7:33 pm EST Feb 9, 2026
9pm EST Feb 9, 2026-6pm EST Feb 16, 2026
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