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

31°F

-1°C

Humidity 54%
Wind Speed W 12 mph
Barometer 30.09 in (1018.8 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 3 Feb 3:56 pm EST
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Tonight

    Tonight: Partly cloudy, with a low around 11. Calm wind.

    Low: 11 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 31. Wind chill values between 10 and 20. Calm wind becoming northwest 5 to 9 mph in the morning.

    High: 31 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 10. Calm wind.

    Low: 10 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 30. Wind chill values between 10 and 20. Northwest wind 3 to 6 mph.

    High: 30 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 7. Calm wind.

    Low: 7 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 28.

    High: 28 °F

    Partly Sunny

  • Friday Night

    Friday Night: Snow likely, mainly after 1am. Mostly cloudy, with a low around 11. Chance of precipitation is 60%.

    Low: 11 °F

    Snow Likely

  • Saturday

    Saturday: A 30 percent chance of snow before 1pm. Partly sunny, with a high near 21.

    High: 21 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 1.

    Low: 1 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 11. Calm wind.
Wednesday
Sunny, with a high near 31. Wind chill values between 10 and 20. Calm wind becoming northwest 5 to 9 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 10. Calm wind.
Thursday
Sunny, with a high near 30. Wind chill values between 10 and 20. Northwest wind 3 to 6 mph.
Thursday Night
Partly cloudy, with a low around 7. Calm wind.
Friday
Partly sunny, with a high near 28.
Friday Night
Snow likely, mainly after 1am. Mostly cloudy, with a low around 11. Chance of precipitation is 60%.
Saturday
A 30 percent chance of snow before 1pm. Partly sunny, with a high near 21.
Saturday Night
Mostly clear, with a low around 1.
Sunday
Mostly sunny and cold, with a high near 16.
Sunday Night
Partly cloudy, with a low around 0.
Monday
Sunny and cold, with a high near 20.
Monday Night
Mostly clear, with a low around 6.
Tuesday
Mostly sunny, with a high near 28.
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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:
12:54 pm EST Feb 3, 2026
Forecast Valid:
4pm EST Feb 3, 2026-6pm EST Feb 10, 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