National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

30°F

-1°C

Humidity 69%
Wind Speed NW 6 mph
Barometer 30.26 in (1024.7 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 24 Mar 5:56 am EDT
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Today

    Today: Sunny, with a high near 46. Wind chill values between 20 and 30 early. North wind 5 to 10 mph becoming light northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 46 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 32. Southwest wind around 6 mph.

    Low: 32 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 48. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 48 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 38. South wind 3 to 5 mph.

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 55. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.

    High: 55 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Rain Likely

  • Friday

    Friday: Rain likely, mainly before 8am. Partly sunny, with a high near 50. Chance of precipitation is 60%.

    High: 50 °F

    Rain Likely
    then Chance
    Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 46. Wind chill values between 20 and 30 early. North wind 5 to 10 mph becoming light northwest in the afternoon. Winds could gust as high as 20 mph.
Tonight
Increasing clouds, with a low around 32. Southwest wind around 6 mph.
Wednesday
Partly sunny, with a high near 48. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 38. South wind 3 to 5 mph.
Thursday
Mostly cloudy, with a high near 55. Southwest wind 6 to 11 mph, with gusts as high as 23 mph.
Thursday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain likely, mainly before 8am. Partly sunny, with a high near 50. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 24.
Saturday
Sunny, with a high near 40.
Saturday Night
Mostly clear, with a low around 28.
Sunday
Sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 33.
Monday
Mostly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Conning Towers-Nautilus Park CT
 41.39°N 72.07°W (Elev. 200 ft)
Last Update:
3:49 am EDT Mar 24, 2026
Forecast Valid:
6am EDT Mar 24, 2026-6pm EDT Mar 30, 2026
 
Forecast Discussion
 
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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