Hazardous Weather Conditions
Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Mostly Cloudy
76°F
24°C
| Humidity | 85% |
| Wind Speed | S 15 mph |
| Barometer | 29.58 in (1001.8 mb) |
| Dewpoint | 71°F (22°C) |
| Visibility | 10.00 mi |
| Heat Index | 77°F (25°C) |
| Last update | 29 Jul 12:56 pm EDT |
Extended Forecast for
Old Mystic CT
Flood Watch July 29, 01:06pm until July 29, 02:00pm
NOW until 2:00pm Wed
Flood Watch
This Afternoon
High: 73 °F
Showers
Tonight
Low: 63 °F
Showers
LikelyThursday
High: 75 °F
Showers
LikelyThursday Night
Low: 61 °F
Slight Chance
ShowersFriday
High: 80 °F
Mostly Sunny
then Slight
Chance
ShowersFriday Night
Low: 63 °F
Partly Cloudy
Saturday
High: 81 °F
Mostly Sunny
Saturday Night
Low: 65 °F
Mostly Cloudy
Detailed Forecast
This Afternoon
Showers and possibly a thunderstorm. High near 73. Southeast wind 11 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers likely and possibly a thunderstorm before 11pm, then a chance of showers. Mostly cloudy, with a low around 63. East wind 3 to 5 mph. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
A chance of showers, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 75. North wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 61. North wind around 5 mph.
Friday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 80. North wind around 6 mph.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 81.
Saturday Night
Mostly cloudy, with a low around 65.
Sunday
Partly sunny, with a high near 79.
Sunday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 67.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 81.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 81.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Old Mystic CT
41.37°N 71.99°W (Elev. 131 ft)
41.37°N 71.99°W (Elev. 131 ft)
2:23 am EDT Jul 29, 2026
1pm EDT Jul 29, 2026-6pm EDT Aug 4, 2026
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