Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Overcast
45°F
7°C
| Humidity | 77% |
| Wind Speed | S 14 mph |
| Barometer | 30.15 in (1020.9 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 39°F (4°C) |
| Last update | 22 Apr 12:56 pm EDT |
Extended Forecast for
South Lyme CT
This Afternoon
High: 49 °F
Chance
ShowersTonight
Low: 40 °F
Mostly Cloudy
Thursday
High: 65 °F
Mostly Sunny
Thursday Night
Low: 43 °F
Mostly Cloudy
Friday
High: 59 °F
Mostly Sunny
Friday Night
Low: 40 °F
Mostly Clear
Saturday
High: 55 °F
Partly Sunny
Saturday Night
Low: 39 °F
Mostly Cloudy
Sunday
High: 57 °F
Partly Sunny
Detailed Forecast
This Afternoon
A 30 percent chance of showers, mainly before 2pm. Mostly cloudy, with a high near 49. Southeast wind around 11 mph, with gusts as high as 21 mph.
Tonight
Mostly cloudy, with a low around 40. Calm wind.
Thursday
Mostly sunny, with a high near 65. Calm wind becoming northwest 5 to 9 mph in the morning. Winds could gust as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 43. Light north wind.
Friday
Mostly sunny, with a high near 59. Calm wind becoming northwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 40.
Saturday
Partly sunny, with a high near 55.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 59.
Monday Night
Partly cloudy, with a low around 43.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 59.
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)
2:25 am EDT Apr 22, 2026
1pm EDT Apr 22, 2026-6pm EDT Apr 28, 2026
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