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

40°F

4°C

Humidity 63%
Wind Speed SW 16 mph
Barometer 29.99 in (1015.6 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 7 Dec 6:56 pm EST
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 21. West wind 6 to 13 mph becoming northwest after midnight.

    Low: 21 °F

    Decreasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 28. Wind chill values between 10 and 20. North wind 8 to 13 mph, with gusts as high as 29 mph.

    High: 28 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 12. North wind around 5 mph becoming calm in the evening.

    Low: 12 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 40. Wind chill values between 15 and 25. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 40 °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 30. Southwest wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    Low: 30 °F

    Chance
    Rain/Snow

  • 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 33.

    Low: 33 °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 25.

    Low: 25 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 21. West wind 6 to 13 mph becoming northwest after midnight.
Monday
Mostly sunny, with a high near 28. Wind chill values between 10 and 20. North wind 8 to 13 mph, with gusts as high as 29 mph.
Monday Night
Partly cloudy, with a low around 12. North wind around 5 mph becoming calm in the evening.
Tuesday
Increasing clouds, with a high near 40. Wind chill values between 15 and 25. Calm wind becoming south 5 to 8 mph in the afternoon.
Tuesday Night
A chance of rain and snow before 1am, then a slight chance of snow. Mostly cloudy, with a low around 30. Southwest wind around 9 mph, with gusts as high as 24 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 33.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Mostly cloudy, with a low around 25.
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 22.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 31.
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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:
5:39 pm EST Dec 7, 2025
Forecast Valid:
7pm EST Dec 7, 2025-6pm EST Dec 14, 2025
 
Forecast Discussion
 
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Additional Resources

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