Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Fair
20°F
-7°C
| Humidity | 45% |
| Wind Speed | N 15 G 24 mph |
| Barometer | 29.72 in (1006.4 mb) |
| Dewpoint | 2°F (-17°C) |
| Visibility | 10.00 mi |
| Wind Chill | 6°F (-14°C) |
| Last update | 1 Feb 8:56 pm EST |
Extended Forecast for
Old Lyme CT
Tonight
Low: 11 °F
Mostly Cloudy
Monday
High: 30 °F
Mostly Sunny
Monday Night
Low: 13 °F
Mostly Clear
Tuesday
High: 31 °F
Sunny
Tuesday Night
Low: 18 °F
Partly Cloudy
Wednesday
High: 31 °F
Mostly Sunny
Wednesday Night
Low: 13 °F
Mostly Clear
Thursday
High: 29 °F
Mostly Sunny
Thursday Night
Low: 12 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 11. Wind chill values between zero and 5. Northwest wind 11 to 15 mph.
Monday
Mostly sunny, with a high near 30. Wind chill values between -5 and 5. Northwest wind 9 to 11 mph.
Monday Night
Mostly clear, with a low around 13. Northwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 31. Wind chill values between 15 and 25. West wind 3 to 6 mph.
Tuesday Night
Partly cloudy, with a low around 18. Light west wind.
Wednesday
Mostly sunny, with a high near 31.
Wednesday Night
Mostly clear, with a low around 13.
Thursday
Mostly sunny, with a high near 29.
Thursday Night
Mostly clear, with a low around 12.
Friday
Partly sunny, with a high near 30.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 12.
Saturday
Mostly sunny and cold, with a high near 19.
Saturday Night
Mostly clear, with a low around 3.
Sunday
Sunny and cold, with a high near 17.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Old Lyme CT
41.29°N 72.33°W (Elev. 16 ft)
41.29°N 72.33°W (Elev. 16 ft)
6:39 pm EST Feb 1, 2026
9pm EST Feb 1, 2026-6pm EST Feb 8, 2026
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