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Hazardous Weather Conditions
Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Partly Cloudy
79°F
26°C
| Humidity | 54% |
| Wind Speed | SW 13 mph |
| Barometer | 30.16 in (1021.2 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 12 Jul 1:56 pm EDT |
Extended Forecast for
Old Lyme CT
This Afternoon
High: 80 °F
Sunny
Tonight
Low: 64 °F
Mostly Clear
Monday
High: 80 °F
Sunny
Monday Night
Low: 68 °F
Mostly Clear
Tuesday
High: 85 °F
Sunny
Tuesday Night
Low: 74 °F
Mostly Clear
Wednesday
High: 89 °F
Sunny
Wednesday Night
Low: 69 °F
Partly Cloudy
Thursday
High: 86 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 80. Light south wind.
Tonight
Mostly clear, with a low around 64. Light and variable wind.
Monday
Sunny, with a high near 80. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 68. Southwest wind 5 to 7 mph.
Tuesday
Sunny, with a high near 85. Southwest wind 7 to 14 mph.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny, with a high near 89.
Wednesday Night
Partly cloudy, with a low around 69.
Thursday
Mostly sunny, with a high near 86.
Thursday Night
Partly cloudy, with a low around 68.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 67.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 83.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Old Lyme CT
41.31°N 72.36°W (Elev. 30 ft)
41.31°N 72.36°W (Elev. 30 ft)
2:22 pm EDT Jul 12, 2026
2pm EDT Jul 12, 2026-6pm EDT Jul 18, 2026
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Hourly Weather Forecast
