Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Fair
68°F
20°C
| Humidity | 78% |
| Wind Speed | Calm |
| Barometer | 30.26 in (1024.7 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 9 Aug 8:56 am EDT |
Extended Forecast for
Old Lyme CT
Today
High: 78 °F
Sunny
Tonight
Low: 61 °F
Mostly Clear
then Patchy
FogSunday
High: 83 °F
Patchy Fog
then SunnySunday Night
Low: 66 °F
Mostly Clear
Monday
High: 87 °F
Sunny
Monday Night
Low: 67 °F
Mostly Clear
Tuesday
High: 88 °F
Sunny
Tuesday Night
Low: 69 °F
Mostly Clear
Wednesday
High: 87 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 78. Calm wind becoming southeast around 6 mph in the afternoon.
Tonight
Patchy fog after 1am. Otherwise, mostly clear, with a low around 61. Calm wind.
Sunday
Patchy fog before 9am. Otherwise, sunny, with a high near 83. Calm wind becoming south around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 66. Calm wind.
Monday
Sunny, with a high near 87. Calm wind becoming southwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 70.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Mostly sunny, with a high near 84.
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)
1:59 am EDT Aug 9, 2025
9am EDT Aug 9, 2025-6pm EDT Aug 15, 2025
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