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.

Fair and Windy

30°F

-1°C

Humidity 47%
Wind Speed NW 26 G 41 mph
Barometer 30.11 in (1019.6 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 4 Dec 6:56 pm EST
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Tonight

    Tonight: Mostly clear, with a low around 19. Wind chill values between 10 and 15. Blustery, with a northwest wind 19 to 24 mph decreasing to 8 to 13 mph after midnight.

    Low: 19 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 34. Wind chill values between 10 and 20. North wind 5 to 7 mph becoming south in the morning.

    High: 34 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of rain and snow after 1am. Mostly cloudy, with a steady temperature around 33. Light and variable wind becoming south around 5 mph in the evening. Chance of precipitation is 20%.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Saturday

    Saturday: A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 42. Light and variable wind becoming southwest 5 to 9 mph in the morning.

    High: 42 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 30. West wind around 8 mph.

    Low: 30 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 19. Wind chill values between 10 and 15. Blustery, with a northwest wind 19 to 24 mph decreasing to 8 to 13 mph after midnight.
Friday
Sunny, with a high near 34. Wind chill values between 10 and 20. North wind 5 to 7 mph becoming south in the morning.
Friday Night
A slight chance of rain and snow after 1am. Mostly cloudy, with a steady temperature around 33. Light and variable wind becoming south around 5 mph in the evening. Chance of precipitation is 20%.
Saturday
A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 42. Light and variable wind becoming southwest 5 to 9 mph in the morning.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 30. West wind around 8 mph.
Sunday
Partly sunny, with a high near 41.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 33.
Monday Night
Mostly clear, with a low around 19.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 44.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 36.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 43.
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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:
2:14 pm EST Dec 4, 2025
Forecast Valid:
7pm EST Dec 4, 2025-6pm EST Dec 11, 2025
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation