National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Groton / New London, Groton / New London Airport (KGON)

Lat: 41.33°NLon: 72.05°WElev: 10ft.

Light Rain Fog/Mist

34°F

1°C

Humidity 97%
Wind Speed N 3 mph
Barometer 29.83 in (1010.0 mb)
Dewpoint 33°F (1°C)
Visibility 2.00 mi
Last update 18 Feb 12:56 pm EST
Extended Forecast for

Conning Towers-Nautilus Park CT

  • This Afternoon

    This Afternoon: Rain, mainly before 4pm. Areas of fog. High near 40. Calm wind becoming northeast around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Rain and
    Areas Fog

  • Tonight

    Tonight: Rain likely, possibly mixing with snow after 10pm, then gradually ending. Cloudy, with a low around 33. Northeast wind 6 to 8 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Thursday

    Thursday: Partly sunny, with a high near 40. Northeast wind around 7 mph becoming southeast in the afternoon.

    High: 40 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of snow between 1am and 4am, then a chance of rain after 4am. Mostly cloudy, with a low around 33. East wind 5 to 7 mph. Chance of precipitation is 30%.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Friday

    Friday: Rain, mainly after 7am. Steady temperature around 36. East wind 9 to 14 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 36 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mixing with snow after 10pm, then gradually ending. Cloudy, with a low around 35. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 40%.

    High: 39 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of rain and snow before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.

    Low: 30 °F

    Chance
    Rain/Snow

  • Sunday

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

    High: 36 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

This Afternoon
Rain, mainly before 4pm. Areas of fog. High near 40. Calm wind becoming northeast around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain likely, possibly mixing with snow after 10pm, then gradually ending. Cloudy, with a low around 33. Northeast wind 6 to 8 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
Partly sunny, with a high near 40. Northeast wind around 7 mph becoming southeast in the afternoon.
Thursday Night
A chance of snow between 1am and 4am, then a chance of rain after 4am. Mostly cloudy, with a low around 33. East wind 5 to 7 mph. Chance of precipitation is 30%.
Friday
Rain, mainly after 7am. Steady temperature around 36. East wind 9 to 14 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain likely, mixing with snow after 10pm, then gradually ending. Cloudy, with a low around 35. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 40%.
Saturday Night
A chance of rain and snow before 1am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%.
Sunday
A 30 percent chance of snow after 1pm. Mostly cloudy, with a high near 36.
Sunday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 31. Blustery.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 35. Breezy.
Monday Night
Partly cloudy, with a low around 25.
Tuesday
Sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Conning Towers-Nautilus Park CT
 41.36°N 72.08°W (Elev. 79 ft)
Last Update:
12:48 pm EST Feb 18, 2026
Forecast Valid:
1pm EST Feb 18, 2026-6pm EST Feb 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation