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 51%
Wind Speed NW 9 mph
Barometer 29.95 in (1014.0 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 12 Feb 6:56 pm EST
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Tonight

    Tonight: Partly cloudy, with a low around 20. Wind chill values between 10 and 15. Northwest wind 9 to 11 mph.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 35. Wind chill values between 10 and 20. North wind around 9 mph.

    High: 35 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow showers after 1am. Partly cloudy, with a low around 25. Wind chill values between 20 and 25. West wind around 7 mph.

    Low: 25 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 40. Wind chill values between 20 and 30. West wind 8 to 10 mph.

    High: 40 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. West wind around 8 mph.

    Low: 25 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 20. Wind chill values between 10 and 15. Northwest wind 9 to 11 mph.
Friday
Sunny, with a high near 35. Wind chill values between 10 and 20. North wind around 9 mph.
Friday Night
A 20 percent chance of snow showers after 1am. Partly cloudy, with a low around 25. Wind chill values between 20 and 25. West wind around 7 mph.
Saturday
Mostly sunny, with a high near 40. Wind chill values between 20 and 30. West wind 8 to 10 mph.
Saturday Night
Mostly clear, with a low around 25. West wind around 8 mph.
Sunday
Mostly sunny, with a high near 38.
Sunday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 29.
Washington's Birthday
Mostly sunny, with a high near 40.
Monday Night
Mostly cloudy, with a low around 33.
Tuesday
Partly sunny, with a high near 44.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
A 50 percent chance of rain. Cloudy, with a high near 44.
Wednesday Night
Rain likely. Cloudy, with a low around 38. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 44.
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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:
3:41 pm EST Feb 12, 2026
Forecast Valid:
7pm EST Feb 12, 2026-6pm EST Feb 19, 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