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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Westbrook CT

Dense Fog Advisory February 18, 06:15am until February 18, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory February 18, 06:15am until February 18, 10:00am

    NOW until 10:00am Wed

    Dense Fog Advisory

  • Today

    High: 39 °F

    Rain and
    Areas Dense
    Fog

  • Tonight

    Tonight: Rain, mixing with snow after 9pm, then gradually ending. Areas of fog before 4am. Low around 31. Northeast wind 3 to 6 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 31 °F

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

  • Thursday

    Thursday: Partly sunny, with a high near 38. North wind around 6 mph becoming southeast in the afternoon.

    High: 38 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 32. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 40%.

    Low: 32 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Friday

    Friday: Rain, possibly mixed with snow, becoming all rain after 10am. High near 38. East wind 6 to 10 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 38 °F

    Rain/Snow
    then Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 1am. Mostly cloudy, with a low around 33. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Rain Likely

  • Saturday

    Saturday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.

    Low: 28 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Rain, mainly after 10am. Areas of dense fog. High near 39. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain, mixing with snow after 9pm, then gradually ending. Areas of fog before 4am. Low around 31. Northeast wind 3 to 6 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday
Partly sunny, with a high near 38. North wind around 6 mph becoming southeast in the afternoon.
Thursday Night
A slight chance of snow before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 32. Calm wind becoming east around 6 mph after midnight. Chance of precipitation is 40%.
Friday
Rain, possibly mixed with snow, becoming all rain after 10am. High near 38. East wind 6 to 10 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 33. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Partly sunny, with a high near 41.
Saturday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Sunday
A 40 percent chance of snow. Mostly cloudy, with a high near 36.
Sunday Night
Snow likely, mainly before 1am. Cloudy, with a low around 29. Chance of precipitation is 60%.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 36.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Westbrook CT
 41.28°N 72.45°W (Elev. 43 ft)
Last Update:
6:02 am EST Feb 18, 2026
Forecast Valid:
6am EST Feb 18, 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