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- Air Quality Alert in Effect fo 11pm to 11pm
- Prediction remains on track for above-normal Atlantic hurricane season
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Hazardous Weather Conditions
Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Fair
77°F
25°C
Humidity | 85% |
Wind Speed | S 7 mph |
Barometer | 30.21 in (1022.8 mb) |
Dewpoint | 72°F (22°C) |
Visibility | 10.00 mi |
Heat Index | 78°F (26°C) |
Last update | 11 Aug 9:56 am EDT |
Extended Forecast for
Groton CT
Today
High: 80 °F
Sunny
Tonight
Low: 67 °F
Mostly Clear
Tuesday
High: 79 °F
Sunny
Tuesday Night
Low: 69 °F
Mostly Clear
Wednesday
High: 80 °F
Slight Chance
Showers then
Slight Chance
T-stormsWednesday Night
Low: 71 °F
Chance
T-stormsThursday
High: 79 °F
Chance
ShowersThursday Night
Low: 67 °F
Partly Cloudy
Friday
High: 78 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 80. Southwest wind 7 to 9 mph.
Tonight
Mostly clear, with a low around 67. Southwest wind 6 to 8 mph.
Tuesday
Sunny, with a high near 79. Southwest wind 6 to 9 mph.
Tuesday Night
Mostly clear, with a low around 69. Southwest wind 5 to 7 mph.
Wednesday
A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 80. South wind 6 to 11 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 40%.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 67.
Friday
Sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Sunny, with a high near 80.
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)
1:57 am EDT Aug 11, 2025
10am EDT Aug 11, 2025-6pm EDT Aug 17, 2025