National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Fair

7°F

-14°C

Humidity 50%
Wind Speed W 14 G 22 mph
Barometer 30.08 in (1018.5 mb)
Dewpoint -8°F (-22°C)
Visibility 10.00 mi
Wind Chill-10°F (-23°C)
Last update 30 Jan 7:56 am EST
Extended Forecast for

Conning Towers-Nautilus Park CT

Cold Weather Advisory January 30, 08:38am until January 31, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 30, 08:38am until January 31, 10:00am

    NOW until 10:00am Sat

    Cold Weather Advisory

  • Today

    High: 18 °F

    Cold

  • Tonight

    Tonight: Mostly clear, with a low around 2. Wind chill values between -5 and zero. Northwest wind 5 to 8 mph.

    Low: 2 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 22. Wind chill values between -10 and zero. Northwest wind 3 to 6 mph.

    High: 22 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 9. Wind chill values between -5 and 5. North wind 5 to 13 mph, with gusts as high as 23 mph.

    Low: 9 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A 30 percent chance of snow. Cloudy, with a high near 25. North wind around 16 mph, with gusts as high as 29 mph.

    High: 25 °F

    Chance Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 14.

    Low: 14 °F

    Chance Snow

  • Monday

    Monday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 14.

    Low: 14 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny and cold, with a high near 18. Wind chill values between -10 and zero. West wind 13 to 15 mph.
Tonight
Mostly clear, with a low around 2. Wind chill values between -5 and zero. Northwest wind 5 to 8 mph.
Saturday
Mostly sunny, with a high near 22. Wind chill values between -10 and zero. Northwest wind 3 to 6 mph.
Saturday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 9. Wind chill values between -5 and 5. North wind 5 to 13 mph, with gusts as high as 23 mph.
Sunday
A 30 percent chance of snow. Cloudy, with a high near 25. North wind around 16 mph, with gusts as high as 29 mph.
Sunday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 14.
Monday
Mostly sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
Mostly clear, with a low around 13.
Wednesday
Mostly sunny, with a high near 30.
Wednesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 14.
Thursday
Mostly sunny, with a high near 31.
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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:
1:47 am EST Jan 30, 2026
Forecast Valid:
8am EST Jan 30, 2026-6pm EST Feb 5, 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