Hazardous Weather Conditions
Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Fog
48°F
9°C
| Humidity | 100% |
| Wind Speed | S 18 mph |
| Barometer | 29.67 in (1004.6 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 0.25 mi |
| Wind Chill | 41°F (5°C) |
| Last update | 16 Mar 4:56 pm EDT |
Extended Forecast for
Old Mystic CT
Flood Watch March 16, 05:53pm until March 17, 08:00am
Wind Advisory March 16, 05:53pm until March 17, 04:00am
Dense Fog Advisory until March 17, 01:00am
NOW: Multiple hazards in effect
Click HERE for Details
This Afternoon
High: 57 °F
Showers and
Areas FogTonight
Low: 36 °F
Showers and
Areas FogTuesday
High: 40 °F
Mostly Sunny
Tuesday Night
Low: 23 °F
Mostly Clear
Wednesday
High: 38 °F
Mostly Sunny
Wednesday Night
Low: 26 °F
Partly Cloudy
Thursday
High: 42 °F
Mostly Sunny
Thursday Night
Low: 31 °F
Mostly Cloudy
Detailed Forecast
This Afternoon
Showers and possibly a thunderstorm. Areas of fog. High near 57. South wind around 16 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm. Areas of fog before 2am. Low around 36. Breezy, with a south wind 17 to 21 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Mostly sunny, with a steady temperature around 40. West wind 11 to 14 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly clear, with a low around 23. West wind around 7 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 38. Northwest wind 3 to 5 mph.
Wednesday Night
Partly cloudy, with a low around 26.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Partly sunny, with a high near 49.
Friday Night
A 50 percent chance of rain after 8pm. Mostly cloudy, with a low around 34.
Saturday
A 40 percent chance of rain. Partly sunny, with a high near 48.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 44.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 45.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Old Mystic CT
41.37°N 71.96°W (Elev. 43 ft)
41.37°N 71.96°W (Elev. 43 ft)
3:44 pm EDT Mar 16, 2026
5pm EDT Mar 16, 2026-6pm EDT Mar 23, 2026
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