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Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Fair
49°F
9°C
| Humidity | 90% |
| Wind Speed | SW 3 mph |
| Barometer | 29.94 in (1013.9 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 31 Mar 8:56 pm EDT |
Extended Forecast for
3 Miles SE South Lyme CT
Tonight
Low: 49 °F
Mostly Cloudy
then Chance
ShowersWednesday

High: 63 °F
Chance
ShowersWednesday Night

Low: 40 °F
Showers and
Patchy FogThursday

High: 44 °F
Chance Light
Rain and
Patchy FogThursday Night

Low: 42 °F
Chance Light
Rain and
Patchy FogFriday
High: 56 °F
Areas Fog
then Mostly
CloudyFriday Night

Low: 50 °F
Mostly Cloudy
Saturday

High: 61 °F
Mostly Sunny
Saturday Night
Low: 47 °F
Mostly Cloudy
then Chance
Showers
Detailed Forecast
Tonight
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 49. Southwest wind 13 to 16 mph.
Wednesday
A 50 percent chance of showers. Partly sunny, with a high near 63. Southwest wind 9 to 11 mph.
Wednesday Night
Showers, mainly before 2am. Patchy fog after 2am. Low around 40. Northeast wind 5 to 14 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 30 percent chance of light rain, mainly before noon. Patchy fog. Otherwise, cloudy, with a high near 44. Northeast wind around 14 mph.
Thursday Night
A 30 percent chance of light rain, mainly before midnight. Patchy fog. Otherwise, cloudy, with a steady temperature around 42. East wind 6 to 11 mph.
Friday
Areas of fog before noon. Otherwise, mostly cloudy, with a high near 56.
Friday Night
Mostly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 47.
Sunday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Mostly sunny, with a high near 49.
Additional Forecasts and Information
Basemap Options
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SE South Lyme CT
41.3°N 72.24°W (Elev. 0 ft)
41.3°N 72.24°W (Elev. 0 ft)
9:03 pm EDT Mar 31, 2026
9pm EDT Mar 31, 2026-6pm EDT Apr 7, 2026


