Current conditions at

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

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fog

32°F

0°C

Humidity 96%
Wind Speed Calm
Barometer 29.95 in (1014.3 mb)
Dewpoint 31°F (-1°C)
Visibility 0.25 mi
Last update 18 Feb 7:56 am EST
Extended Forecast for

Essex CT

Dense Fog Advisory February 18, 08:47am until February 18, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory February 18, 08:47am until February 18, 10:00am

    NOW until 10:00am Wed

    Dense Fog Advisory

  • Today

    High: 41 °F

    Rain and
    Dense Fog

  • Tonight

    Tonight: Rain and snow before midnight, then a chance of rain between midnight and 1am.  Areas of fog before 4am. Low around 29. Light northeast wind.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 29 °F

    Rain/Snow and
    Areas Fog
    then Chance
    Rain and
    Areas Fog

  • Thursday

    Thursday: Partly sunny, with a high near 42. Light and variable wind.

    High: 42 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 40 percent chance of snow, mainly after 1am.  Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Chance Snow

  • Friday

    Friday: Rain, possibly mixed with snow, becoming all rain after 1pm.  High near 39. East wind 3 to 8 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 39 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain likely, mainly before 1am.  Mostly cloudy, with a low around 31. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 31 °F

    Rain Likely

  • Saturday

    Saturday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of rain and snow before 1am.  Mostly cloudy, with a low around 25. Chance of precipitation is 30%.

    Low: 25 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Rain, mainly after 10am. Widespread dense fog, mainly before 10am. High near 41. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain and snow before midnight, then a chance of rain between midnight and 1am. Areas of fog before 4am. Low around 29. Light northeast wind. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
Partly sunny, with a high near 42. Light and variable wind.
Thursday Night
A 40 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 29. Calm wind.
Friday
Rain, possibly mixed with snow, becoming all rain after 1pm. High near 39. East wind 3 to 8 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Partly sunny, with a high near 42.
Saturday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 30%.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 37.
Sunday Night
Snow likely, mainly before 1am. Cloudy, with a low around 27. Chance of precipitation is 60%.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 37.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Sunny, with a high near 31.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Essex CT
 41.36°N 72.4°W (Elev. 92 ft)
8:16 am EST Feb 18, 2026
8am EST Feb 18, 2026-6pm EST Feb 24, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database