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Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Fair
63°F
17°C
| Humidity | 100% |
| Wind Speed | SE 3 mph |
| Barometer | 29.99 in (1015.5 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 27 Sep 8:56 pm EDT |
Extended Forecast for
South Lyme CT
Tonight
Low: 62 °F
Showers
LikelySunday
High: 79 °F
Chance
Showers then
SunnySunday Night
Low: 59 °F
Mostly Clear
Monday
High: 78 °F
Mostly Sunny
Monday Night
Low: 58 °F
Mostly Cloudy
Tuesday
High: 78 °F
Mostly Cloudy
Tuesday Night
Low: 52 °F
Mostly Cloudy
Wednesday
High: 68 °F
Sunny
Wednesday Night
Low: 45 °F
Mostly Clear
Detailed Forecast
Tonight
Showers likely, mainly between 11pm and 5am. Cloudy, with a low around 62. Calm wind. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers before 8am. Cloudy through mid morning, then gradual clearing, with a high near 79. Calm wind becoming southwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 59. Calm wind.
Monday
Mostly sunny, with a high near 78. Light and variable wind becoming northeast around 5 mph.
Monday Night
Mostly cloudy, with a low around 58. Calm wind.
Tuesday
Mostly cloudy, with a high near 78.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Sunny, with a high near 68.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 43.
Friday
Sunny, with a high near 67.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 72.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
2:01 pm EDT Sep 27, 2025
9pm EDT Sep 27, 2025-6pm EDT Oct 4, 2025
Additional Resources
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