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

37°F

3°C

Humidity 73%
Wind Speed NW 6 mph
Barometer 29.90 in (1012.4 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 6 Dec 7:56 pm EST
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Tonight

    Tonight: Mostly clear, with a low around 31. Northwest wind around 8 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 41. Northwest wind around 6 mph becoming southeast in the afternoon.

    High: 41 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26. Wind chill values between 20 and 25. West wind 6 to 14 mph.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a steady temperature around 27. Wind chill values between 15 and 20. North wind 15 to 18 mph.

    High: 27 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 17. North wind 7 to 14 mph.

    Low: 17 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 40.

    High: 40 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 31. Northwest wind around 8 mph.
Sunday
Partly sunny, with a high near 41. Northwest wind around 6 mph becoming southeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 26. Wind chill values between 20 and 25. West wind 6 to 14 mph.
Monday
Sunny, with a steady temperature around 27. Wind chill values between 15 and 20. North wind 15 to 18 mph.
Monday Night
Mostly clear, with a low around 17. North wind 7 to 14 mph.
Tuesday
Increasing clouds, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 47.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 37.
Thursday
A 30 percent chance of rain before 1pm. Partly sunny, with a high near 43.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 31.
Friday
A chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 30%.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 26.
Saturday
A 30 percent chance of snow. Mostly sunny, with a high near 34.
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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:
4:40 pm EST Dec 6, 2025
Forecast Valid:
8pm EST Dec 6, 2025-6pm EST Dec 13, 2025
 
Forecast Discussion
 
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Additional Resources

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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