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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 | 65% |
| Wind Speed | SW 13 mph |
| Barometer | 30.27 in (1025.1 mb) |
| Dewpoint | 51°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 3 Oct 2:56 pm EDT |
Extended Forecast for
Old Lyme CT
Tonight
Low: 53 °F
Clear
Saturday
High: 79 °F
Sunny
Saturday Night
Low: 59 °F
Mostly Clear
Sunday
High: 80 °F
Sunny
Sunday Night
Low: 58 °F
Mostly Clear
Monday
High: 76 °F
Sunny
Monday Night
Low: 60 °F
Mostly Clear
Tuesday
High: 76 °F
Mostly Sunny
Tuesday Night
Low: 59 °F
Chance
Showers then
Showers
Likely
Detailed Forecast
Tonight
Clear, with a low around 53. Southwest wind 3 to 7 mph.
Saturday
Sunny, with a high near 79. Southwest wind 3 to 6 mph.
Saturday Night
Mostly clear, with a low around 59. Calm wind.
Sunday
Sunny, with a high near 80. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 58. Calm wind.
Monday
Sunny, with a high near 76.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Wednesday
Showers likely. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 45.
Thursday
Sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 44.
Friday
Mostly sunny, with a high near 64.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
2:14 pm EDT Oct 3, 2025
3pm EDT Oct 3, 2025-6pm EDT Oct 10, 2025
Additional Resources
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Hourly Weather Forecast
