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

35°F

2°C

Humidity 76%
Wind Speed Calm
Barometer 30.10 in (1019.1 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 19 Feb 7:56 pm EST
Extended Forecast for

Conning Towers-Nautilus Park CT

  • Tonight

    Tonight: Increasing clouds, with a steady temperature around 34. East wind 3 to 8 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Friday

    Friday: A slight chance of snow before 9am, then rain. High near 38. East wind 9 to 14 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 38 °F

    Rain/Snow
    Likely then
    Rain

  • Friday Night

    Friday Night: Rain likely before midnight, then a chance of rain and snow between midnight and 4am, then a chance of snow after 4am. Cloudy, with a low around 30. Northeast wind 6 to 13 mph becoming north after midnight. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 30 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 10am, then a chance of rain between 10am and 4pm, then a chance of snow after 4pm. Mostly cloudy, with a high near 40. Northwest wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 30%.

    High: 40 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 27. Northeast wind around 8 mph.

    Low: 27 °F

    Chance Snow

  • Sunday

    Sunday: A 40 percent chance of snow after 1pm. Mostly cloudy, with a high near 36.

    High: 36 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Snow likely. Cloudy, with a low around 31. Blustery. Chance of precipitation is 60%.

    Low: 31 °F

    Snow Likely
    and Blustery

  • Monday

    Monday: A 50 percent chance of snow. Mostly cloudy, with a high near 34. Breezy.

    High: 34 °F

    Chance Snow
    and Breezy

  • Monday Night

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

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a steady temperature around 34. East wind 3 to 8 mph.
Friday
A slight chance of snow before 9am, then rain. High near 38. East wind 9 to 14 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Friday Night
Rain likely before midnight, then a chance of rain and snow between midnight and 4am, then a chance of snow after 4am. Cloudy, with a low around 30. Northeast wind 6 to 13 mph becoming north after midnight. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday
A chance of rain and snow before 10am, then a chance of rain between 10am and 4pm, then a chance of snow after 4pm. Mostly cloudy, with a high near 40. Northwest wind 6 to 8 mph becoming east in the afternoon. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 27. Northeast wind around 8 mph.
Sunday
A 40 percent chance of snow after 1pm. Mostly cloudy, with a high near 36.
Sunday Night
Snow likely. Cloudy, with a low around 31. Blustery. Chance of precipitation is 60%.
Monday
A 50 percent chance of snow. Mostly cloudy, with a high near 34. Breezy.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 35.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 41.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 37.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 45.
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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:
3:51 pm EST Feb 19, 2026
Forecast Valid:
8pm EST Feb 19, 2026-6pm EST Feb 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation