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

39°F

4°C

Humidity 96%
Wind Speed S 3 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 38°F (3°C)
Visibility 0.50 mi
Last update 7 Mar 10:56 pm EDT
Extended Forecast for

Poquonock Bridge CT

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

    NOW until 9:00am Sun

    Dense Fog Advisory

  • Tonight

    Low: 43 °F

    Showers
    Likely and
    Areas Dense
    Fog

  • Sunday

    Sunday: Showers likely, mainly before 10am. Patchy fog before 10am. Otherwise, cloudy, with a high near 54. Southwest wind 6 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 34. Light west wind.

    Low: 34 °F

    Partly Cloudy

  • Monday

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

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. Southwest wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 53.

    High: 53 °F

    Cloudy

Detailed Forecast

Tonight
Areas of drizzle with a chance of showers between 1am and 4am, then showers likely with areas of drizzle after 4am. The drizzle could be heavy at times. Areas of dense fog. Otherwise, cloudy, with a steady temperature around 43. Southwest wind around 9 mph. Chance of precipitation is 60%.
Sunday
Showers likely, mainly before 10am. Patchy fog before 10am. Otherwise, cloudy, with a high near 54. Southwest wind 6 to 9 mph. Chance of precipitation is 60%.
Sunday Night
Partly cloudy, with a low around 34. Light west wind.
Monday
Sunny, with a high near 53. Calm wind becoming southwest 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 34. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Cloudy, with a high near 53.
Wednesday Night
A 30 percent chance of showers. Cloudy, with a low around 44.
Thursday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers. Partly cloudy, with a low around 28. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 41.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 32.
Saturday
Mostly cloudy, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Poquonock Bridge CT
 41.33°N 72.02°W (Elev. 43 ft)
Last Update:
3:40 pm EST Mar 7, 2026
Forecast Valid:
10pm EST Mar 7, 2026-6pm EDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation