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 49%
Wind Speed W 6 mph
Barometer 30.10 in (1019.1 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 13 Feb 8:56 pm EST
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Tonight

    Tonight: Partly cloudy, with a low around 24. West wind around 6 mph.

    Low: 24 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 39. Wind chill values between 20 and 30. West wind 8 to 13 mph.

    High: 39 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. Wind chill values between 20 and 25. West wind 6 to 8 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 36. Wind chill values between 15 and 25. North wind around 6 mph becoming south in the afternoon.

    High: 36 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 27. Southeast wind 3 to 6 mph.

    Low: 27 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Monday Night

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

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 24. West wind around 6 mph.
Saturday
Mostly sunny, with a high near 39. Wind chill values between 20 and 30. West wind 8 to 13 mph.
Saturday Night
Mostly clear, with a low around 25. Wind chill values between 20 and 25. West wind 6 to 8 mph.
Sunday
Mostly sunny, with a high near 36. Wind chill values between 15 and 25. North wind around 6 mph becoming south in the afternoon.
Sunday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 27. Southeast wind 3 to 6 mph.
Washington's Birthday
Partly sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 45.
Tuesday Night
Partly cloudy, with a low around 34.
Wednesday
A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 42.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 35. Chance of precipitation is 60%.
Thursday
A chance of rain and snow. Partly sunny, with a high near 42. Chance of precipitation is 30%.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 50%.
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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:
1:16 pm EST Feb 13, 2026
Forecast Valid:
9pm EST Feb 13, 2026-6pm EST Feb 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation