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

36°F

2°C

Humidity 59%
Wind Speed W 9 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 7 Dec 11:56 pm EST
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Overnight

    Overnight: Mostly clear, with a low around 26. West wind 9 to 14 mph.

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 29. Wind chill values between 15 and 20. North wind 13 to 18 mph, with gusts as high as 29 mph.

    High: 29 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15. Wind chill values between 10 and 15. North wind 6 to 9 mph.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 41. Wind chill values between 10 and 20. North wind 5 to 11 mph becoming south in the morning.

    High: 41 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 1am, then a slight chance of snow. Mostly cloudy, with a low around 35. Breezy, with a southwest wind 16 to 20 mph. Chance of precipitation is 30%.

    Low: 35 °F

    Chance
    Rain/Snow and
    Breezy

  • Wednesday

    Wednesday: A 50 percent chance of rain. Mostly cloudy, with a high near 48.

    High: 48 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 26. West wind 9 to 14 mph.
Monday
Mostly sunny, with a high near 29. Wind chill values between 15 and 20. North wind 13 to 18 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around 15. Wind chill values between 10 and 15. North wind 6 to 9 mph.
Tuesday
Increasing clouds, with a high near 41. Wind chill values between 10 and 20. North wind 5 to 11 mph becoming south in the morning.
Tuesday Night
A chance of rain and snow before 1am, then a slight chance of snow. Mostly cloudy, with a low around 35. Breezy, with a southwest wind 16 to 20 mph. Chance of precipitation is 30%.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 48.
Wednesday Night
A 30 percent chance of rain before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 30.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 38.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 27.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 35.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 32.
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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:
5:39 pm EST Dec 7, 2025
Forecast Valid:
12am EST Dec 8, 2025-6pm EST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation