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/Mist

36°F

2°C

Humidity 86%
Wind Speed SW 6 mph
Barometer 30.07 in (1018.4 mb)
Dewpoint 32°F (0°C)
Visibility 6.00 mi
Wind Chill31°F (-1°C)
Last update 17 Feb 2:56 pm EST
Extended Forecast for

3 Miles NE Gales Ferry CT

Dense Fog Advisory February 17, 10:00pm until February 18, 10:00am
Click here for hazard details and duration
Dense Fog Advisory

  • Tonight

    Tonight: Patchy dense fog between 10pm and 1am. Areas of dense freezing fog after 1am. Otherwise, mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Areas Dense
    Freezing Fog
    and Patchy
    Dense Fog

  • Wednesday

    Wednesday: A slight chance of drizzle before 10am, then rain, mainly after 10am. The drizzle could be heavy at times. Areas of dense fog before 10am. High near 41. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 41 °F

    Rain and
    Areas Dense
    Fog

  • Wednesday Night

    Wednesday Night: Rain and snow before 1am, then a slight chance of snow between 1am and 4am. Low around 30. Calm wind. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Thursday

    Thursday: Partly sunny, with a high near 41. Light and variable wind.

    High: 41 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Friday

    Friday: A chance of rain and snow before 1pm, then rain. High near 40. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Friday Night

    Friday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.

    Low: 30 °F

    Rain Likely

  • Saturday

    Saturday: Mostly cloudy, with a high near 43.

    High: 43 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy dense fog between 10pm and 1am. Areas of dense freezing fog after 1am. Otherwise, mostly cloudy, with a low around 29. Calm wind.
Wednesday
A slight chance of drizzle before 10am, then rain, mainly after 10am. The drizzle could be heavy at times. Areas of dense fog before 10am. High near 41. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain and snow before 1am, then a slight chance of snow between 1am and 4am. Low around 30. Calm wind. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
Partly sunny, with a high near 41. Light and variable wind.
Thursday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 26. Calm wind.
Friday
A chance of rain and snow before 1pm, then rain. High near 40. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.
Saturday
Mostly cloudy, with a high near 43.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
A 50 percent chance of snow. Mostly cloudy, with a high near 37.
Sunday Night
Snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 60%.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 36.
Monday Night
Mostly cloudy, with a low around 18.
Tuesday
Mostly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Gales Ferry CT
 41.49°N 72.05°W (Elev. 98 ft)
Last Update:
3:29 pm EST Feb 17, 2026
Forecast Valid:
3pm EST Feb 17, 2026-6pm EST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation