News Headlines
Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Overcast
62°F
17°C
| Humidity | 84% |
| Wind Speed | Calm |
| Barometer | 30.16 in (1021.4 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 15 Jun 8:56 pm EDT |
Extended Forecast for
Old Lyme CT
Tonight
Low: 57 °F
Mostly Cloudy
Monday
High: 69 °F
Mostly Cloudy
Monday Night
Low: 59 °F
Mostly Cloudy
Tuesday
High: 72 °F
Mostly Cloudy
Tuesday Night
Low: 61 °F
Chance
ShowersWednesday
High: 79 °F
Chance
ShowersWednesday Night
Low: 66 °F
Partly Cloudy
Juneteenth
High: 87 °F
Sunny
Thursday Night
Low: 66 °F
Chance
Showers
Detailed Forecast
Tonight
Mostly cloudy, with a low around 57. Light east wind.
Monday
Mostly cloudy, with a high near 69. East wind 6 to 8 mph.
Monday Night
Mostly cloudy, with a low around 59. East wind around 5 mph becoming calm in the evening.
Tuesday
Mostly cloudy, with a high near 72. Calm wind becoming east 5 to 7 mph in the morning.
Tuesday Night
A 50 percent chance of showers. Cloudy, with a low around 61. Calm wind.
Wednesday
A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 66.
Juneteenth
Sunny, with a high near 87.
Thursday Night
A chance of showers between 8pm and 2am. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Friday
Sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 63.
Sunday
Mostly sunny, with a high near 83.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Old Lyme CT
41.31°N 72.36°W (Elev. 30 ft)
41.31°N 72.36°W (Elev. 30 ft)
6:40 pm EDT Jun 15, 2025
9pm EDT Jun 15, 2025-6pm EDT Jun 22, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
