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Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Overcast
67°F
19°C
| Humidity | 81% |
| Wind Speed | E 15 G 23 mph |
| Barometer | 29.99 in (1015.7 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 1 Sep 2:56 pm EDT |
Extended Forecast for
Deep River CT
This Afternoon
High: 75 °F
Showers
Tonight
Low: 59 °F
Showers then
Mostly CloudyWednesday
High: 74 °F
Mostly Cloudy
Wednesday Night
Low: 62 °F
Mostly Cloudy
then ShowersThursday
High: 79 °F
Showers
Thursday Night
Low: 65 °F
Chance
T-storms then
Chance
ShowersFriday
High: 83 °F
Sunny
Friday Night
Low: 60 °F
Mostly Clear
Saturday
High: 78 °F
Sunny
Detailed Forecast
This Afternoon
Showers and possibly a thunderstorm. High near 75. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm. Low around 59. East wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly cloudy, with a high near 74. East wind around 6 mph.
Wednesday Night
A chance of showers and thunderstorms between 2am and 5am, then showers and possibly a thunderstorm after 5am. Low around 62. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and possibly a thunderstorm before 8am, then showers likely between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. High near 79. Southwest wind 3 to 8 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 60.
Saturday
Sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 56.
Labor Day
Sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 76.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Deep River CT
41.41°N 72.42°W (Elev. 3 ft)
41.41°N 72.42°W (Elev. 3 ft)
2:22 pm EDT Sep 1, 2026
3pm EDT Sep 1, 2026-6pm EDT Sep 8, 2026
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