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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.

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
Click here for hazard details and duration
Dense Fog Advisory

  • This Afternoon

    This Afternoon: Patchy fog. Otherwise, cloudy, with a high near 44. South wind around 8 mph.

    High: 44 °F

    Patchy Fog

  • Tonight

    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%.

    Low: 43 °F⇑

    Showers
    Likely and
    Patchy Dense
    Fog

  • Sunday

    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.

    High: 58 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35. West wind 3 to 6 mph.

    Low: 35 °F

    Mostly Clear

  • Monday

    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.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 57.

    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.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE East Haddam CT
 41.47°N 72.41°W (Elev. 554 ft)
Last Update:
1:48 pm EST Mar 7, 2026
Forecast Valid:
2pm EST Mar 7, 2026-6pm EDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation