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

28°F

-2°C

Humidity 34%
Wind Speed W 15 G 26 mph
Barometer 29.80 in (1009.0 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 16 Jan 11:56 am EST
Extended Forecast for

Conning Towers-Nautilus Park CT

  • This Afternoon

    This Afternoon: Sunny, with a high near 33. Wind chill values between 20 and 25. West wind 9 to 14 mph, with gusts as high as 25 mph.

    High: 33 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of snow after 4am. Mostly cloudy, with a steady temperature around 30. Light south wind.

    Low: 30 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • Saturday

    Saturday: Rain likely, possibly mixed with snow, mainly after 1pm. Mostly cloudy, with a high near 41. Light southwest wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 30. Southwest wind around 5 mph becoming calm in the evening.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday

    Sunday: A slight chance of rain and snow before 10am, then a chance of snow. Cloudy, with a high near 36. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 40%.

    High: 36 °F

    Slight Chance
    Rain/Snow
    then Chance
    Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 33.

    High: 33 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 15.

    Low: 15 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 23.

    High: 23 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 33. Wind chill values between 20 and 25. West wind 9 to 14 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of snow after 4am. Mostly cloudy, with a steady temperature around 30. Light south wind.
Saturday
Rain likely, possibly mixed with snow, mainly after 1pm. Mostly cloudy, with a high near 41. Light southwest wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
A 20 percent chance of snow after 1am. Mostly cloudy, with a low around 30. Southwest wind around 5 mph becoming calm in the evening.
Sunday
A slight chance of rain and snow before 10am, then a chance of snow. Cloudy, with a high near 36. Calm wind becoming west 5 to 7 mph in the morning. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 20.
M.L.King Day
Sunny, with a high near 33.
Monday Night
Mostly clear, with a low around 15.
Tuesday
Sunny, with a high near 23.
Tuesday Night
Mostly clear, with a low around 11.
Wednesday
Mostly sunny, with a high near 29.
Wednesday Night
Mostly cloudy, with a low around 21.
Thursday
Partly sunny, with a high near 37.
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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:
11:24 am EST Jan 16, 2026
Forecast Valid:
12pm EST Jan 16, 2026-6pm EST Jan 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation