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.

Mostly Cloudy

51°F

11°C

Humidity 92%
Wind Speed W 7 mph
Barometer 29.78 in (1008.2 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 5 Apr 7:56 pm EDT
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 37. West wind around 6 mph.

    Low: 37 °F

    Gradual
    Clearing

  • Monday

    Monday: Sunny, with a high near 52. West wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers, mainly after 2am. Partly cloudy, with a low around 35. Light and variable wind.

    Low: 35 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers. Partly sunny, with a high near 50. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.

    High: 50 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming clear, with a low around 29. Northwest wind around 6 mph.

    Low: 29 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 32.

    Low: 32 °F

    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy during the early evening, then gradual clearing, with a low around 37. West wind around 6 mph.
Monday
Sunny, with a high near 52. West wind 10 to 13 mph, with gusts as high as 23 mph.
Monday Night
A 30 percent chance of showers, mainly after 2am. Partly cloudy, with a low around 35. Light and variable wind.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 50. Southwest wind 5 to 10 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, then gradually becoming clear, with a low around 29. Northwest wind around 6 mph.
Wednesday
Sunny, with a high near 46.
Wednesday Night
Clear, with a low around 32.
Thursday
Mostly sunny, with a high near 50.
Thursday Night
Partly cloudy, with a low around 38.
Friday
Mostly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 59.
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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:
6:30 pm EDT Apr 5, 2026
Forecast Valid:
8pm EDT Apr 5, 2026-6pm EDT Apr 12, 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