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

23°F

-5°C

Humidity 44%
Wind Speed W 3 mph
Barometer 30.13 in (1020.2 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Last update 10 Feb 12:56 am EST
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Overnight

    Overnight: Mostly cloudy, with a low around 13. Calm wind.

    Low: 13 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 35. Wind chill values between 15 and 25. Calm wind becoming southwest around 5 mph.

    High: 35 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: Snow, freezing rain, and sleet before 1am, then a chance of rain and snow between 1am and 4am. Low around 26. Light and variable wind. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow and sleet accumulation of less than a half inch possible.

    Low: 26 °F

    Wintry Mix

  • Wednesday

    Wednesday: Mostly sunny, with a high near 39. Wind chill values between 25 and 30. West wind 5 to 11 mph, with gusts as high as 24 mph.

    High: 39 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 21. West wind around 7 mph, with gusts as high as 22 mph.

    Low: 21 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 17.

    Low: 17 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 13. Calm wind.
Tuesday
A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 35. Wind chill values between 15 and 25. Calm wind becoming southwest around 5 mph.
Tuesday Night
Snow, freezing rain, and sleet before 1am, then a chance of rain and snow between 1am and 4am. Low around 26. Light and variable wind. Chance of precipitation is 80%. Little or no ice accumulation expected. New snow and sleet accumulation of less than a half inch possible.
Wednesday
Mostly sunny, with a high near 39. Wind chill values between 25 and 30. West wind 5 to 11 mph, with gusts as high as 24 mph.
Wednesday Night
Partly cloudy, with a low around 21. West wind around 7 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 17.
Friday
Mostly sunny, with a high near 34.
Friday Night
Partly cloudy, with a low around 21.
Saturday
Sunny, with a high near 37.
Saturday Night
Mostly clear, with a low around 18.
Sunday
Partly sunny, with a high near 38.
Sunday Night
A chance of rain and snow. Cloudy, with a low around 28. Chance of precipitation is 50%.
Washington's Birthday
A 50 percent chance of rain. Cloudy, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Conning Towers-Nautilus Park CT
 41.39°N 72.07°W (Elev. 200 ft)
Last Update:
1:11 am EST Feb 10, 2026
Forecast Valid:
1am EST Feb 10, 2026-6pm EST Feb 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation