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

41°F

5°C

Humidity 79%
Wind Speed W 6 mph
Barometer 29.86 in (1011.2 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 6 Dec 12:56 pm EST
Extended Forecast for

Conning Towers-Nautilus Park CT

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 41. West wind around 8 mph.

    High: 41 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 31. West wind around 8 mph.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 41. Northwest wind around 6 mph becoming southeast in the afternoon.

    High: 41 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 26. Wind chill values between 20 and 25. West wind 6 to 14 mph.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a steady temperature around 27. North wind 15 to 18 mph.

    High: 27 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 40.

    High: 40 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 47.

    High: 47 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 41. West wind around 8 mph.
Tonight
Partly cloudy, with a low around 31. West wind around 8 mph.
Sunday
Partly sunny, with a high near 41. Northwest wind around 6 mph becoming southeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 26. Wind chill values between 20 and 25. West wind 6 to 14 mph.
Monday
Sunny, with a steady temperature around 27. North wind 15 to 18 mph.
Monday Night
Mostly clear, with a low around 17.
Tuesday
Increasing clouds, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 47.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 37.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 43.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 31.
Friday
A chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 30%.
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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:
12:55 pm EST Dec 6, 2025
Forecast Valid:
1pm EST Dec 6, 2025-6pm EST Dec 12, 2025
 
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