National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fog

45°F

7°C

Humidity 100%
Wind Speed SW 12 mph
Barometer 29.38 in (994.8 mb)
Dewpoint 45°F (7°C)
Visibility 0.25 mi
Wind Chill39°F (4°C)
Last update 29 Dec 10:56 am EST
Extended Forecast for

2 Miles ESE Essex CT

Dense Fog Advisory December 29, 11:11am until December 29, 12:00pm
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory December 29, 11:11am until December 29, 12:00pm

    NOW until 12:00pm Mon

    Dense Fog Advisory

  • Today

    High: 52 °F⇓

    Rain and
    Areas Fog

  • Tonight

    Tonight: Partly cloudy, with a low around 24. Wind chill values between 15 and 20. West wind 14 to 16 mph, with gusts as high as 40 mph.

    Low: 24 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 32. Wind chill values between 10 and 20. Breezy, with a west wind 17 to 21 mph, with gusts as high as 38 mph.

    High: 32 °F

    Partly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. Wind chill values between 15 and 20. West wind 8 to 13 mph, with gusts as high as 30 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 35. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.

    High: 35 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Today
Rain before 4pm. Areas of fog before 1pm. Temperature falling to around 44 by 5pm. West wind 10 to 15 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Partly cloudy, with a low around 24. Wind chill values between 15 and 20. West wind 14 to 16 mph, with gusts as high as 40 mph.
Tuesday
Partly sunny, with a high near 32. Wind chill values between 10 and 20. Breezy, with a west wind 17 to 21 mph, with gusts as high as 38 mph.
Tuesday Night
Mostly cloudy, with a low around 23. Wind chill values between 15 and 20. West wind 8 to 13 mph, with gusts as high as 30 mph.
Wednesday
Mostly cloudy, with a high near 35. Southwest wind 7 to 11 mph, with gusts as high as 23 mph.
Wednesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 19.
New Year's Day
Mostly sunny, with a high near 28.
Thursday Night
Partly cloudy, with a low around 14.
Friday
Sunny, with a high near 28.
Friday Night
Mostly clear, with a low around 16.
Saturday
Mostly sunny, with a high near 33.
Saturday Night
Mostly cloudy, with a low around 17.
Sunday
Mostly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ESE Essex CT
 41.36°N 72.37°W (Elev. 7 ft)
Last Update:
8:56 am EST Dec 29, 2025
Forecast Valid:
11am EST Dec 29, 2025-6pm EST Jan 4, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation