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

52°F

11°C

Humidity 86%
Wind Speed SW 3 mph
Barometer 29.75 in (1007.4 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 30 Apr 8:56 pm EDT
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Tonight

    Tonight: A 30 percent chance of showers before 11pm. Mostly clear, with a low around 45. Northwest wind 5 to 8 mph.

    Low: 45 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58. Northwest wind 8 to 10 mph becoming west in the afternoon.

    High: 58 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 2am. Partly cloudy, with a low around 46. Southwest wind 5 to 7 mph.

    Low: 46 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 53. South wind 5 to 8 mph.

    High: 53 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 45. South wind around 6 mph becoming light and variable.

    Low: 45 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 2pm. Partly sunny, with a high near 54.

    High: 54 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 30 percent chance of showers before 11pm. Mostly clear, with a low around 45. Northwest wind 5 to 8 mph.
Friday
Sunny, with a high near 58. Northwest wind 8 to 10 mph becoming west in the afternoon.
Friday Night
A 20 percent chance of showers after 2am. Partly cloudy, with a low around 46. Southwest wind 5 to 7 mph.
Saturday
A 30 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 53. South wind 5 to 8 mph.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 45. South wind around 6 mph becoming light and variable.
Sunday
A 30 percent chance of showers before 2pm. Partly sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 41.
Monday
Sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 62.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 59.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Thursday
Showers likely. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.
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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:
7:56 pm EDT Apr 30, 2026
Forecast Valid:
9pm EDT Apr 30, 2026-6pm EDT May 7, 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