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

62°F

17°C

Humidity 84%
Wind Speed SE 8 mph
Barometer 29.99 in (1015.6 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 13 Oct 1:56 pm EDT
Extended Forecast for

Conning Towers-Nautilus Park CT

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 64. Southeast wind around 8 mph.

    High: 64 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 61. Southwest wind 5 to 8 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. West wind 7 to 9 mph.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy during the early evening, then becoming clear, with a low around 52. Northwest wind 3 to 5 mph.

    Low: 52 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 64. North wind 5 to 8 mph.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 2am. Increasing clouds, with a low around 47.

    Low: 47 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, mainly after 8am. High near 67. Chance of precipitation is 90%.

    High: 67 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 8pm. Partly cloudy, with a low around 41. Chance of precipitation is 60%.

    Low: 41 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 52. Breezy.

    High: 52 °F

    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 64. Southeast wind around 8 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 61. Southwest wind 5 to 8 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 79. West wind 7 to 9 mph.
Wednesday Night
Mostly cloudy during the early evening, then becoming clear, with a low around 52. Northwest wind 3 to 5 mph.
Thursday
Sunny, with a high near 64. North wind 5 to 8 mph.
Thursday Night
A 50 percent chance of showers after 2am. Increasing clouds, with a low around 47.
Friday
Showers, mainly after 8am. High near 67. Chance of precipitation is 90%.
Friday Night
Showers likely, mainly before 8pm. Partly cloudy, with a low around 41. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 52. Breezy.
Saturday Night
Mostly clear, with a low around 33.
Sunday
Sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 38.
Monday
Mostly sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Conning Towers-Nautilus Park CT
 41.39°N 72.07°W (Elev. 200 ft)
Last Update:
2:02 am EDT Oct 13, 2026
Forecast Valid:
2pm EDT Oct 13, 2026-6pm EDT Oct 19, 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