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Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Fair
60°F
16°C
| Humidity | 41% |
| Wind Speed | NE 5 mph |
| Barometer | 30.41 in (1029.7 mb) |
| Dewpoint | 36°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 19 Oct 12:56 pm 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: 40 °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 8 mph.
Tonight
Partly cloudy, with a low around 42. North wind 5 to 7 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 64. North wind 10 to 13 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 41. Northeast wind 7 to 11 mph, with gusts as high as 25 mph.
Wednesday
Mostly sunny, with a high near 60. Northeast wind around 14 mph, with gusts as high as 26 mph.
Wednesday Night
Partly cloudy, with a low around 40.
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 37.
Saturday
Sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 63.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Old Lyme CT
41.31°N 72.33°W (Elev. 43 ft)
41.31°N 72.33°W (Elev. 43 ft)
5:21 am EDT Oct 19, 2026
1pm EDT Oct 19, 2026-6pm EDT Oct 25, 2026


