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

42°F

6°C

Humidity 96%
Wind Speed SW 6 mph
Barometer 29.91 in (1012.7 mb)
Dewpoint 41°F (5°C)
Visibility 0.50 mi
Wind Chill38°F (3°C)
Last update 7 Mar 11:56 pm EDT
Extended Forecast for

Conning Towers-Nautilus Park 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: 41 °F⇑

    Showers
    Likely and
    Areas Dense
    Fog

  • Sunday

    Sunday: Showers likely, mainly before 7am. Patchy fog before 10am. Otherwise, cloudy, with a high near 55. Southwest wind 9 to 11 mph. Chance of precipitation is 60%.

    High: 55 °F

    Showers
    Likely and
    Patchy Fog
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36. West wind 6 to 8 mph.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 53. Southwest wind 5 to 11 mph.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 39. Southwest wind 5 to 9 mph.

    Low: 39 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 54.

    High: 54 °F

    Cloudy

Detailed Forecast

Tonight
Patchy drizzle with a chance of showers before 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 temperature rising to around 44 by 3am. Southwest wind 11 to 13 mph. Chance of precipitation is 60%.
Sunday
Showers likely, mainly before 7am. Patchy fog before 10am. Otherwise, cloudy, with a high near 55. Southwest wind 9 to 11 mph. Chance of precipitation is 60%.
Sunday Night
Partly cloudy, with a low around 36. West wind 6 to 8 mph.
Monday
Sunny, with a high near 53. Southwest wind 5 to 11 mph.
Monday Night
Partly cloudy, with a low around 39. Southwest wind 5 to 9 mph.
Tuesday
Mostly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Cloudy, with a high near 54.
Wednesday Night
A 30 percent chance of showers. Cloudy, with a low around 48.
Thursday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 55. Breezy. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers. Partly cloudy, with a low around 31. Breezy. 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 36.
Saturday
Mostly cloudy, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Conning Towers-Nautilus Park CT
 41.36°N 72.08°W (Elev. 79 ft)
Last Update:
3:40 pm EST Mar 7, 2026
Forecast Valid:
11pm EST Mar 7, 2026-6pm EDT Mar 14, 2026
 
Forecast Discussion
 
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Additional Resources

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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