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Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
A Few Clouds
52°F
11°C
| Humidity | 77% |
| Wind Speed | S 6 mph |
| Barometer | 30.00 in (1015.9 mb) |
| Dewpoint | 45°F (7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 50°F (10°C) |
| Last update | 31 Mar 10:56 am EDT |
Extended Forecast for
3 Miles SE Old Lyme CT
Today
High: 58 °F
Slight Chance
ShowersTonight
Low: 49 °F
Slight Chance
T-storms then
Chance
ShowersWednesday
High: 64 °F
Chance Rain
then Rain
LikelyWednesday Night
Low: 40 °F
Rain
Thursday
High: 46 °F
Chance Rain
Thursday Night
Low: 39 °F
Cloudy
Friday
High: 56 °F
Mostly Cloudy
Friday Night
Low: 49 °F
Mostly Cloudy
Saturday
High: 62 °F
Partly Sunny
Detailed Forecast
Today
A slight chance of showers between noon and 2pm. Mostly sunny, with a high near 58. Southwest wind 10 to 15 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 49. Southwest wind 11 to 14 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers before 8am, then a chance of rain between 8am and 2pm, then rain likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 64. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Rain likely and possibly a thunderstorm, then rain after 8pm. Low around 40. Northeast wind 8 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A 30 percent chance of rain, mainly before 2pm. Cloudy, with a high near 46. Northeast wind 11 to 13 mph.
Thursday Night
Cloudy, with a low around 39.
Friday
Mostly cloudy, with a high near 56.
Friday Night
Mostly cloudy, with a low around 49.
Saturday
Partly sunny, with a high near 62.
Saturday Night
A 30 percent chance of rain after 8pm. Mostly cloudy, with a low around 45.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 60.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 43.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 52.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
10:11 am EDT Mar 31, 2026
11am EDT Mar 31, 2026-6pm EDT Apr 6, 2026
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