Hazardous Weather Conditions
Current conditions at
Groton / New London, Groton / New London Airport (KGON)
Lat: 41.33°NLon: 72.05°WElev: 10ft.
Fog/Mist
39°F
4°C
| Humidity | 96% |
| Wind Speed | S 3 mph |
| Barometer | 30.09 in (1018.8 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 0.75 mi |
| Last update | 7 Mar 1:56 pm EST |
Extended Forecast for
3 Miles ENE East Haddam CT
Dense Fog Advisory March 7, 10:00pm until March 8, 09:00am
This Afternoon

High: 44 °F
Patchy Fog
Tonight
Low: 43 °F⇑
Showers
Likely and
Patchy Dense
FogSunday

High: 58 °F
Chance
Showers and
Patchy FogSunday Night

Low: 35 °F
Mostly Clear
Monday

High: 58 °F
Sunny
Monday Night

Low: 37 °F
Mostly Clear
Tuesday

High: 64 °F
Sunny
Tuesday Night

Low: 43 °F
Mostly Cloudy
Wednesday

High: 57 °F
Cloudy
Detailed Forecast
This Afternoon
Patchy fog. Otherwise, cloudy, with a high near 44. South wind around 8 mph.
Tonight
Patchy drizzle with a chance of showers between 10pm and 1am, then showers likely with areas of drizzle after 1am. The drizzle could be heavy at times. Patchy dense fog. Otherwise, cloudy, with a temperature rising to around 47 by 5am. South wind around 9 mph. Chance of precipitation is 60%.
Sunday
A 40 percent chance of showers, mainly before 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 58. West wind 7 to 9 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 35. West wind 3 to 6 mph.
Monday
Sunny, with a high near 58. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 22 mph.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Cloudy, with a high near 57.
Wednesday Night
A 40 percent chance of showers. Cloudy, with a low around 48.
Thursday
Showers likely. Mostly cloudy, with a high near 57. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers. Partly cloudy, with a low around 27. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 41.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles ENE East Haddam CT
41.47°N 72.41°W (Elev. 554 ft)
41.47°N 72.41°W (Elev. 554 ft)
1:48 pm EST Mar 7, 2026
2pm EST Mar 7, 2026-6pm EDT Mar 13, 2026



