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

36°F

2°C

Humidity 89%
Wind Speed N 7 mph
Barometer 30.40 in (1029.3 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 6 Mar 9:56 pm EST
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Tonight

    Tonight: Cloudy, with a low around 34. Northeast wind around 6 mph becoming calm after midnight.

    Low: 34 °F

    Cloudy

  • Saturday

    Saturday: Cloudy, with a high near 47. Light southeast wind becoming southwest 5 to 10 mph in the morning.

    High: 47 °F

    Cloudy

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Areas of dense fog after 1am. Otherwise, cloudy, with a low around 45. Southwest wind 10 to 15 mph. Chance of precipitation is 50%.

    Low: 45 °F

    Chance
    Showers and
    Areas Dense
    Fog

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 56. Southwest wind 9 to 13 mph.

    High: 56 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. West wind around 7 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 34. Northeast wind around 6 mph becoming calm after midnight.
Saturday
Cloudy, with a high near 47. Light southeast wind becoming southwest 5 to 10 mph in the morning.
Saturday Night
A chance of showers and thunderstorms. Areas of dense fog after 1am. Otherwise, cloudy, with a low around 45. Southwest wind 10 to 15 mph. Chance of precipitation is 50%.
Sunday
A 30 percent chance of showers before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 56. Southwest wind 9 to 13 mph.
Sunday Night
Mostly clear, with a low around 38. West wind around 7 mph.
Monday
Sunny, with a high near 56.
Monday Night
Mostly clear, with a low around 43.
Tuesday
Mostly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
A 50 percent chance of rain. Cloudy, with a high near 53.
Wednesday Night
A 50 percent chance of rain. Cloudy, with a low around 40.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 46.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
Mostly cloudy, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Conning Towers-Nautilus Park CT
 41.36°N 72.08°W (Elev. 79 ft)
Last Update:
12:51 pm EST Mar 6, 2026
Forecast Valid:
10pm EST Mar 6, 2026-6pm EDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation