News Headlines
Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Mostly Cloudy
59°F
15°C
| Humidity | 64% |
| Wind Speed | S 8 mph |
| Barometer | 29.99 in (1015.5 mb) |
| Dewpoint | 47°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 31 Mar 12:56 pm EDT |
Extended Forecast for
3 Miles SE South Lyme CT
This Afternoon
High: 55 °F
Slight Chance
ShowersTonight
Low: 48 °F
Slight Chance
T-storms then
Chance
ShowersWednesday
High: 61 °F
Chance Rain
then Rain
LikelyWednesday Night
Low: 41 °F
Rain
Thursday
High: 45 °F
Chance Rain
Thursday Night
Low: 40 °F
Cloudy
Friday
High: 54 °F
Mostly Cloudy
Friday Night
Low: 48 °F
Mostly Cloudy
Saturday
High: 60 °F
Partly Sunny
Detailed Forecast
This Afternoon
A 20 percent chance of showers before 2pm. Mostly sunny, with a high near 55. Southwest wind around 15 mph.
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 48. Southwest wind 13 to 15 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 61. Southwest wind 9 to 11 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, mainly before 2am. Low around 41. Northeast wind 8 to 11 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 45. Northeast wind 11 to 13 mph.
Thursday Night
Cloudy, with a low around 40.
Friday
Mostly cloudy, with a high near 54.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Partly sunny, with a high near 60.
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 58.
Sunday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 44.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 50.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT 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)
10:11 am EDT Mar 31, 2026
1pm EDT Mar 31, 2026-6pm EDT Apr 6, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
