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.

Light Rain

44°F

7°C

Humidity 93%
Wind Speed SE 8 mph
Barometer 29.53 in (1000.0 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 14 Jan 8:56 pm EST
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Tonight

    Tonight: A 50 percent chance of rain before 4am. Cloudy, with a steady temperature around 41. South wind 3 to 6 mph.

    Low: 41 °F

    Chance Rain

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a temperature rising to near 43 by 10am, then falling to around 36 during the remainder of the day. Southwest wind 6 to 15 mph.

    High: 43 °F⇓

    Gradual
    Clearing

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20. Wind chill values between 5 and 15. West wind 11 to 14 mph.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 34. Wind chill values between 5 and 15. West wind 10 to 15 mph.

    High: 34 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a steady temperature around 31. Southwest wind around 7 mph.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday Night

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

    Low: 27 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of snow after 1pm. Mostly cloudy, with a high near 36.

    High: 36 °F

    Partly Sunny
    then Chance
    Snow

  • Sunday Night

    Sunday Night: A 30 percent chance of snow before 1am. Partly cloudy, with a low around 19.

    Low: 19 °F

    Chance Snow

Detailed Forecast

Tonight
A 50 percent chance of rain before 4am. Cloudy, with a steady temperature around 41. South wind 3 to 6 mph.
Thursday
Cloudy through mid morning, then gradual clearing, with a temperature rising to near 43 by 10am, then falling to around 36 during the remainder of the day. Southwest wind 6 to 15 mph.
Thursday Night
Partly cloudy, with a low around 20. Wind chill values between 5 and 15. West wind 11 to 14 mph.
Friday
Sunny, with a high near 34. Wind chill values between 5 and 15. West wind 10 to 15 mph.
Friday Night
Mostly cloudy, with a steady temperature around 31. Southwest wind around 7 mph.
Saturday
A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
A 30 percent chance of snow after 1pm. Mostly cloudy, with a high near 36.
Sunday Night
A 30 percent chance of snow before 1am. Partly cloudy, with a low around 19.
M.L.King Day
Sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Mostly sunny, with a high near 26.
Tuesday Night
Mostly clear, with a low around 12.
Wednesday
Mostly sunny, with a high near 27.
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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:
2:31 pm EST Jan 14, 2026
Forecast Valid:
9pm EST Jan 14, 2026-6pm EST Jan 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation