Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Light Rain
64°F
18°C
| Humidity | 93% |
| Wind Speed | E 13 mph |
| Barometer | 30.00 in (1015.7 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 22 Jun 5:56 pm EDT |
Extended Forecast for
Groton CT
Tonight

Low: 62 °F
Showers
Tuesday

High: 72 °F
Showers
Tuesday Night
Low: 61 °F
Showers
Likely then
Partly CloudyWednesday

High: 75 °F
Sunny
Wednesday Night

Low: 62 °F
Mostly Clear
Thursday

High: 74 °F
Sunny
Thursday Night
Low: 63 °F
Partly Cloudy
then Chance
ShowersFriday

High: 73 °F
Chance
ShowersFriday Night
Low: 64 °F
Partly Cloudy
then Chance
Showers
Detailed Forecast
Tonight
Showers and possibly a thunderstorm. Low around 62. South wind 8 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers and possibly a thunderstorm before 2pm, then showers likely. High near 72. South wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 61. Northwest wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Sunny, with a high near 75. Northwest wind 6 to 8 mph becoming west in the afternoon.
Wednesday Night
Mostly clear, with a low around 62. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 74.
Thursday Night
A 40 percent chance of showers after 2am. Partly cloudy, with a low around 63.
Friday
A 40 percent chance of showers before 2pm. Partly sunny, with a high near 73.
Friday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 64.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 75.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 63.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 64.
Monday
Mostly sunny, with a high near 77.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Groton CT
41.32°N 72.06°W (Elev. 3 ft)
41.32°N 72.06°W (Elev. 3 ft)
2:30 pm EDT Jun 22, 2026
6pm EDT Jun 22, 2026-6pm EDT Jun 29, 2026


