Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Fair
35°F
2°C
| Humidity | 59% |
| Wind Speed | W 10 mph |
| Barometer | 29.89 in (1012.1 mb) |
| Dewpoint | 22°F (-6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 27°F (-3°C) |
| Last update | 12 Mar 9:56 pm EDT |
Extended Forecast for
3 Miles SE Old Lyme CT
Tonight
Low: 30 °F
Slight Chance
Snow then
Mostly ClearFriday

High: 45 °F
Increasing
CloudsFriday Night

Low: 36 °F
Slight Chance
RainSaturday

High: 48 °F
Sunny and
BreezySaturday Night

Low: 31 °F
Increasing
CloudsSunday

High: 46 °F
Mostly Cloudy
Sunday Night
Low: 38 °F
Cloudy then
Rain LikelyMonday

High: 56 °F
Rain and
BreezyMonday Night

Low: 37 °F
Rain and
Breezy
Detailed Forecast
Tonight
A 20 percent chance of snow before 11pm. Mostly clear, with a low around 30. Wind chill values between 20 and 25. West wind 9 to 13 mph.
Friday
Increasing clouds, with a high near 45. Wind chill values between 25 and 35 early. West wind 6 to 13 mph becoming south in the afternoon.
Friday Night
A 20 percent chance of rain before 2am. Mostly cloudy, then gradually becoming mostly clear, with a low around 36. South wind around 14 mph, with gusts as high as 29 mph.
Saturday
Sunny, with a high near 48. Breezy, with a west wind 17 to 20 mph, with gusts as high as 32 mph.
Saturday Night
Increasing clouds, with a low around 31. West wind 5 to 10 mph, with gusts as high as 21 mph.
Sunday
Mostly cloudy, with a high near 46.
Sunday Night
Rain likely after 2am. Cloudy, with a low around 38. Chance of precipitation is 70%.
Monday
Rain and possibly a thunderstorm. High near 56. Breezy. Chance of precipitation is 100%.
Monday Night
Rain, mainly before 2am. Low around 37. Breezy. Chance of precipitation is 90%.
Tuesday
A 30 percent chance of rain before 8am. Partly sunny, with a high near 45.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Sunny, with a high near 38.
Wednesday Night
Partly cloudy, with a low around 27.
Thursday
Mostly sunny, with a high near 42.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SE Old Lyme CT
41.28°N 72.3°W (Elev. 0 ft)
41.28°N 72.3°W (Elev. 0 ft)
6:03 pm EDT Mar 12, 2026
10pm EDT Mar 12, 2026-6pm EDT Mar 19, 2026


