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Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Fair
59°F
15°C
| Humidity | 42% |
| Wind Speed | NE 8 mph |
| Barometer | 30.44 in (1030.7 mb) |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 19 Oct 11:56 am EDT |
Extended Forecast for
Old Lyme CT
This Afternoon
High: 62 °F
Mostly Sunny
Tonight
Low: 42 °F
Partly Cloudy
Tuesday
High: 64 °F
Mostly Cloudy
Tuesday Night
Low: 41 °F
Partly Cloudy
Wednesday
High: 60 °F
Mostly Sunny
Wednesday Night
Low: 39 °F
Partly Cloudy
Thursday
High: 64 °F
Sunny
Thursday Night
Low: 40 °F
Clear
Friday
High: 59 °F
Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 62. Northeast wind around 7 mph.
Tonight
Partly cloudy, with a low around 42. North wind 3 to 7 mph. Winds could gust as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 64. Northeast wind 10 to 13 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 41. Northeast wind 6 to 10 mph, with gusts as high as 26 mph.
Wednesday
Mostly sunny, with a high near 60. Northeast wind 11 to 14 mph, with gusts as high as 28 mph.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Sunny, with a high near 64.
Thursday Night
Clear, with a low around 40.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 36.
Saturday
Sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 63.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Old Lyme CT
41.33°N 72.35°W (Elev. 3 ft)
41.33°N 72.35°W (Elev. 3 ft)
5:21 am EDT Oct 19, 2026
12pm EDT Oct 19, 2026-6pm EDT Oct 25, 2026
Additional Resources
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