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.

Overcast

37°F

3°C

Humidity 70%
Wind Speed W 7 mph
Barometer 29.87 in (1011.3 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 26 Feb 5:56 pm EST
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Tonight

    Tonight: A 20 percent chance of snow showers before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 24. North wind around 6 mph.

    Low: 24 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 38. Wind chill values between 20 and 30. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 38 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31. South wind around 6 mph.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 45. South wind 7 to 9 mph.

    High: 45 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32. West wind 5 to 8 mph becoming northwest after midnight.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow before 1pm. Partly sunny, with a high near 37.

    High: 37 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of snow showers before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 24. North wind around 6 mph.
Friday
Sunny, with a high near 38. Wind chill values between 20 and 30. Calm wind becoming south 5 to 7 mph in the afternoon.
Friday Night
Mostly clear, with a low around 31. South wind around 6 mph.
Saturday
Mostly sunny, with a high near 45. South wind 7 to 9 mph.
Saturday Night
Partly cloudy, with a low around 32. West wind 5 to 8 mph becoming northwest after midnight.
Sunday
A 30 percent chance of snow before 1pm. Partly sunny, with a high near 37.
Sunday Night
Mostly clear, with a low around 18.
Monday
Mostly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 18.
Tuesday
Partly sunny, with a high near 37.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 31.
Wednesday
A 40 percent chance of rain. Partly sunny, with a high near 45.
Wednesday Night
A 30 percent chance of rain. Partly cloudy, with a low around 32.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 43.
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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:
12:59 pm EST Feb 26, 2026
Forecast Valid:
6pm EST Feb 26, 2026-6pm EST Mar 5, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation