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.

Partly Cloudy

42°F

6°C

Humidity 49%
Wind Speed Calm
Barometer 30.11 in (1019.7 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 6 Apr 9:56 pm EDT
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Tonight

    Tonight: A chance of sprinkles before midnight, then a slight chance of rain showers between midnight and 2am, then a chance of rain and snow showers after 2am. Mostly cloudy, with a low around 35. Light and variable wind becoming north around 5 mph. Chance of precipitation is 30%.

    Low: 35 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Tuesday

    Tuesday: A 30 percent chance of showers, mainly before 8am. Partly sunny, with a high near 47. East wind 7 to 15 mph becoming west in the afternoon.

    High: 47 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 29. Wind chill values between 20 and 25. Northwest wind 11 to 13 mph.

    Low: 29 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 44. Wind chill values between 25 and 35. North wind 5 to 8 mph becoming southeast in the afternoon.

    High: 44 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 33. South wind 3 to 6 mph.

    Low: 33 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

Detailed Forecast

Tonight
A chance of sprinkles before midnight, then a slight chance of rain showers between midnight and 2am, then a chance of rain and snow showers after 2am. Mostly cloudy, with a low around 35. Light and variable wind becoming north around 5 mph. Chance of precipitation is 30%.
Tuesday
A 30 percent chance of showers, mainly before 8am. Partly sunny, with a high near 47. East wind 7 to 15 mph becoming west in the afternoon.
Tuesday Night
Mostly clear, with a low around 29. Wind chill values between 20 and 25. Northwest wind 11 to 13 mph.
Wednesday
Sunny, with a high near 44. Wind chill values between 25 and 35. North wind 5 to 8 mph becoming southeast in the afternoon.
Wednesday Night
Clear, with a low around 33. South wind 3 to 6 mph.
Thursday
Sunny, with a high near 47.
Thursday Night
Partly cloudy, with a low around 40.
Friday
Mostly sunny, with a high near 57.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Partly sunny, with a high near 62.
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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:
8:00 pm EDT Apr 6, 2026
Forecast Valid:
10pm EDT Apr 6, 2026-6pm EDT Apr 13, 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