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

28°F

-2°C

Humidity 49%
Wind Speed W 14 G 23 mph
Barometer 30.04 in (1017.0 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 20 Jan 12:56 am EST
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Overnight

    Overnight: Mostly clear, with a low around 16. Wind chill values between 10 and 15. West wind around 8 mph, with gusts as high as 23 mph.

    Low: 16 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 24. Wind chill values between 5 and 10. West wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 24 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 10. West wind 3 to 7 mph.

    Low: 10 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 38. Wind chill values between 10 and 20. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 38 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 30. Southwest wind around 8 mph, with gusts as high as 22 mph.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 7.

    Low: 7 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 16. Wind chill values between 10 and 15. West wind around 8 mph, with gusts as high as 23 mph.
Tuesday
Sunny, with a high near 24. Wind chill values between 5 and 10. West wind 8 to 13 mph, with gusts as high as 24 mph.
Tuesday Night
Mostly clear, with a low around 10. West wind 3 to 7 mph.
Wednesday
Increasing clouds, with a high near 38. Wind chill values between 10 and 20. Light west wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
A 20 percent chance of snow showers after 1am. Mostly cloudy, with a low around 30. Southwest wind around 8 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 41.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Partly sunny, with a high near 31.
Friday Night
Partly cloudy, with a low around 7.
Saturday
Mostly sunny and cold, with a high near 16.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 6.
Sunday
A 50 percent chance of snow. Mostly cloudy and cold, with a high near 19.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 8.
Monday
Mostly sunny, with a high near 22.
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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:
1:07 am EST Jan 20, 2026
Forecast Valid:
1am EST Jan 20, 2026-6pm EST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation