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

40°F

4°C

Humidity 97%
Wind Speed S 6 mph
Barometer 30.04 in (1017.1 mb)
Dewpoint 39°F (4°C)
Visibility 0.75 mi
Wind Chill36°F (2°C)
Last update 7 Mar 3:56 pm EST
Extended Forecast for

Westbrook CT

Dense Fog Advisory March 7, 10:00pm until March 8, 09:00am
Click here for hazard details and duration
Dense Fog Advisory

  • Tonight

    Tonight: Patchy drizzle and fog with a chance of showers between 10pm and 4am, then showers likely with areas of drizzle after 4am. Cloudy, with a temperature rising to around 44 by 11pm. Southwest wind 7 to 9 mph. Chance of precipitation is 70%.

    Low: 40 °F⇑

    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: Showers likely, mainly before 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 54. West wind 7 to 9 mph. Chance of precipitation is 60%.

    High: 54 °F

    Showers
    Likely and
    Patchy Fog
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36. West wind 3 to 5 mph.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 53. Calm wind becoming south 5 to 9 mph in the morning.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37. Southwest wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 53.

    High: 53 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Cloudy, with a low around 46.

    Low: 46 °F

    Chance
    Showers

Detailed Forecast

Tonight
Patchy drizzle and fog with a chance of showers between 10pm and 4am, then showers likely with areas of drizzle after 4am. Cloudy, with a temperature rising to around 44 by 11pm. Southwest wind 7 to 9 mph. Chance of precipitation is 70%.
Sunday
Showers likely, mainly before 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 54. West wind 7 to 9 mph. Chance of precipitation is 60%.
Sunday Night
Partly cloudy, with a low around 36. West wind 3 to 5 mph.
Monday
Sunny, with a high near 53. Calm wind becoming south 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 37. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Cloudy, with a high near 53.
Wednesday Night
A 40 percent chance of showers. Cloudy, with a low around 46.
Thursday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 53. Breezy. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers. Partly cloudy, with a low around 30. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 41.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34.
Saturday
Mostly cloudy, with a high near 47.
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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:
3:40 pm EST Mar 7, 2026
Forecast Valid:
4pm EST Mar 7, 2026-6pm EDT Mar 14, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation