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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.
A Few Clouds
78°F
26°C
| Humidity | 79% |
| Wind Speed | W 16 G 30 mph |
| Barometer | 30.07 in (1018.1 mb) |
| Dewpoint | 71°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 7 Aug 8:56 pm EDT |
Extended Forecast for
Old Saybrook Center CT
Heat Advisory August 7, 09:42pm until August 8, 08:00pm
NOW until 8:00pm Sat
Heat Advisory
Tonight
Low: 72 °F
Showers then
Chance
ShowersSaturday
High: 80 °F
Partly Sunny
then Chance
T-stormsSaturday Night
Low: 72 °F
Chance
T-storms then
Slight Chance
ShowersSunday

High: 81 °F
Sunny
Sunday Night

Low: 68 °F
Mostly Clear
Monday

High: 79 °F
Sunny
Monday Night

Low: 72 °F
Partly Cloudy
Tuesday
High: 87 °F
Mostly Sunny
then Chance
Showers
Detailed Forecast
Tonight
Showers and possibly a thunderstorm before 11pm, then a chance of showers between 11pm and 2am. Low around 72. Southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 80. Southwest wind 6 to 9 mph.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 72. Southwest wind 3 to 7 mph. Chance of precipitation is 30%.
Sunday
Sunny, with a high near 81. West wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 68. Light northwest wind.
Monday
Sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 87.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 68.
Wednesday
Partly sunny, with a high near 83.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 65.
Friday
Mostly sunny, with a high near 82.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Old Saybrook Center CT
41.29°N 72.39°W (Elev. 89 ft)
41.29°N 72.39°W (Elev. 89 ft)
8:49 pm EDT Aug 7, 2026
9pm EDT Aug 7, 2026-6pm EDT Aug 14, 2026



