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

43°F

6°C

Humidity 74%
Wind Speed S 12 mph
Barometer 30.54 in (1034.0 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 9 Apr 4:56 pm EDT
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 35. South wind 5 to 8 mph becoming calm in the evening.

    Low: 35 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 55. Light southwest wind becoming south 5 to 10 mph in the morning.

    High: 55 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 43. South wind 5 to 8 mph.

    Low: 43 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 59. Northwest wind 11 to 13 mph, with gusts as high as 24 mph.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 37. Light north wind.

    Low: 37 °F

    Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 64.

    High: 64 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 35. South wind 5 to 8 mph becoming calm in the evening.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 55. Light southwest wind becoming south 5 to 10 mph in the morning.
Friday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 43. South wind 5 to 8 mph.
Saturday
Sunny, with a high near 59. Northwest wind 11 to 13 mph, with gusts as high as 24 mph.
Saturday Night
Clear, with a low around 37. Light north wind.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Mostly cloudy, with a low around 43.
Monday
Mostly cloudy, with a high near 64.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
Partly sunny, with a high near 73.
Wednesday Night
Mostly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 65.
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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:
2:47 pm EDT Apr 9, 2026
Forecast Valid:
5pm EDT Apr 9, 2026-6pm EDT Apr 16, 2026
 
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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