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

50°F

10°C

Humidity 96%
Wind Speed N 3 mph
Barometer 29.73 in (1006.7 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 15 May 4:56 am EDT
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Overnight

    Overnight: A 20 percent chance of showers. Mostly cloudy, with a low around 50. North wind around 5 mph.

    Low: 50 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers, mainly between 11am and 5pm. Partly sunny, with a high near 63. West wind 5 to 9 mph.

    High: 63 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49. North wind 5 to 7 mph becoming calm in the evening.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 74. Light west wind becoming southwest 5 to 10 mph in the morning.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57. Southwest wind around 7 mph.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 50. North wind around 5 mph.
Friday
A 30 percent chance of showers, mainly between 11am and 5pm. Partly sunny, with a high near 63. West wind 5 to 9 mph.
Friday Night
Partly cloudy, with a low around 49. North wind 5 to 7 mph becoming calm in the evening.
Saturday
Sunny, with a high near 74. Light west wind becoming southwest 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 57. Southwest wind around 7 mph.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 57.
Monday
Sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
A 30 percent chance of showers. Mostly sunny, with a high near 82.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 76.
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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:
5:03 am EDT May 15, 2026
Forecast Valid:
5am EDT May 15, 2026-6pm EDT May 21, 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