Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Mostly Cloudy
51°F
11°C
| Humidity | 43% |
| Wind Speed | W 20 G 31 mph |
| Barometer | 30.09 in (1019.0 mb) |
| Dewpoint | 29°F (-2°C) |
| Visibility | 10.00 mi |
| Wind Chill | 45°F (7°C) |
| Last update | 7 Apr 1:56 pm EDT |
Extended Forecast for
South Lyme CT
This Afternoon
High: 52 °F
Slight Chance
ShowersTonight
Low: 27 °F
Mostly Clear
Wednesday
High: 46 °F
Sunny
Wednesday Night
Low: 29 °F
Clear
Thursday
High: 50 °F
Sunny
Thursday Night
Low: 37 °F
Partly Cloudy
Friday
High: 58 °F
Mostly Sunny
Friday Night
Low: 43 °F
Partly Cloudy
Saturday
High: 65 °F
Mostly Sunny
Detailed Forecast
This Afternoon
A 20 percent chance of showers. Mostly sunny, with a high near 52. West wind around 16 mph, with gusts as high as 28 mph.
Tonight
Mostly clear, with a low around 27. Wind chill values between 15 and 20. North wind 11 to 15 mph.
Wednesday
Sunny, with a high near 46. Wind chill values between 15 and 25 early. North wind around 9 mph becoming south in the afternoon.
Wednesday Night
Clear, with a low around 29. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 50. South wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 58.
Friday Night
Partly cloudy, with a low around 43.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Partly sunny, with a high near 65.
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)
6:23 am EDT Apr 7, 2026
2pm EDT Apr 7, 2026-6pm EDT Apr 13, 2026
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