Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Mostly Cloudy
33°F
1°C
| Humidity | 58% |
| Wind Speed | N 5 mph |
| Barometer | 30.46 in (1031.2 mb) |
| Dewpoint | 20°F (-7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 28°F (-2°C) |
| Last update | 30 Nov 4:56 am EST |
Extended Forecast for
South Lyme CT
Today
High: 52 °F
Cloudy then
RainTonight
Low: 31 °F
Rain Likely
then Partly
CloudyMonday

High: 43 °F
Sunny
Monday Night

Low: 25 °F
Mostly Cloudy
Tuesday
High: 46 °F
Rain/Snow
then RainTuesday Night

Low: 25 °F
Chance Rain
Wednesday

High: 41 °F
Sunny
Wednesday Night

Low: 29 °F
Partly Cloudy
Thursday

High: 44 °F
Partly Sunny
Detailed Forecast
Today
Rain after 1pm. High near 52. Light and variable wind becoming south 8 to 13 mph in the morning. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain likely before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 31. West wind around 8 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Sunny, with a high near 43. Northwest wind 7 to 11 mph, with gusts as high as 22 mph.
Monday Night
Mostly cloudy, with a low around 25. Calm wind.
Tuesday
Rain and snow, becoming all rain after 10am. High near 46. Calm wind becoming east 5 to 8 mph in the morning. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Tuesday Night
A 50 percent chance of rain before 1am. Cloudy during the early evening, then gradual clearing, with a low around 25.
Wednesday
Sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Partly sunny, with a high near 44.
Thursday Night
Mostly clear, with a low around 14.
Friday
Mostly sunny, with a high near 33.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 23.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
South Lyme CT
41.33°N 72.32°W (Elev. 56 ft)
41.33°N 72.32°W (Elev. 56 ft)
1:09 am EST Nov 30, 2025
5am EST Nov 30, 2025-6pm EST Dec 6, 2025


