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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
86°F
30°C
| Humidity | 65% |
| Wind Speed | W 9 mph |
| Barometer | 29.91 in (1012.9 mb) |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 93°F (34°C) |
| Last update | 9 Aug 4:56 pm EDT |
Extended Forecast for
3 Miles NE Old Mystic CT
Heat Advisory August 9, 05:27pm until August 9, 07:00pm
NOW until 7:00pm Sun

Heat Advisory
Tonight

Low: 64 °F
Clear
Monday

High: 86 °F
Sunny
Monday Night
Low: 70 °F
Chance
Showers then
Mostly ClearTuesday

High: 86 °F
Sunny
Tuesday Night

Low: 62 °F
Partly Cloudy
Wednesday

High: 83 °F
Mostly Sunny
Wednesday Night
Low: 65 °F
Partly Cloudy
then Chance
T-stormsThursday
High: 83 °F
Chance
T-storms then
Chance
Showers
Detailed Forecast
Tonight
Clear, with a low around 64. West wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 86. Calm wind becoming south 5 to 8 mph in the afternoon.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly between 8pm and 11pm. Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 86. West wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 62. Light northwest wind.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
A 40 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 65.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 59.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Mostly sunny, with a high near 78.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles NE Old Mystic CT
41.39°N 71.95°W (Elev. 95 ft)
41.39°N 71.95°W (Elev. 95 ft)
2:26 pm EDT Aug 9, 2026
5pm EDT Aug 9, 2026-6pm EDT Aug 16, 2026



