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.

Mostly Cloudy

33°F

1°C

Humidity 89%
Wind Speed W 6 mph
Barometer 29.89 in (1012.0 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 21 Feb 7:56 am EST
Extended Forecast for

Conning Towers-Nautilus Park CT

Blizzard Warning February 22, 06:00am until February 23, 06:00pm
Click here for hazard details and duration
Blizzard Warning

  • Today

    Today: A slight chance of rain and snow after 4pm. Increasing clouds, with a high near 41. Calm wind becoming north around 5 mph. Chance of precipitation is 20%.

    High: 41 °F

    Partly Sunny
    then Slight
    Chance
    Rain/Snow

  • Tonight

    Tonight: A slight chance of rain and snow before 1am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 26. Light northeast wind. Chance of precipitation is 20%.

    Low: 26 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance Snow

  • Sunday

    Sunday: A 40 percent chance of snow, mainly after 10am. Mostly cloudy, with a high near 35. Wind chill values between 20 and 30. East wind 5 to 13 mph, with gusts as high as 24 mph.

    High: 35 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Snow. The snow could be heavy at times. Areas of blowing snow after 1am. Low around 30. Wind chill values between 15 and 20. Windy, with a northeast wind 15 to 20 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    Low: 30 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday

    Monday: Snow. The snow could be heavy at times. Areas of blowing snow. High near 32. Windy, with a north wind 24 to 32 mph, with gusts as high as 48 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    High: 32 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Cloudy, then gradually becoming partly cloudy, with a low around 22.

    Low: 22 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 32.

    High: 32 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 15.

    Low: 15 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow after 1pm. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.

    High: 37 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

Detailed Forecast

Today
A slight chance of rain and snow after 4pm. Increasing clouds, with a high near 41. Calm wind becoming north around 5 mph. Chance of precipitation is 20%.
Tonight
A slight chance of rain and snow before 1am, then a slight chance of snow after 4am. Mostly cloudy, with a low around 26. Light northeast wind. Chance of precipitation is 20%.
Sunday
A 40 percent chance of snow, mainly after 10am. Mostly cloudy, with a high near 35. Wind chill values between 20 and 30. East wind 5 to 13 mph, with gusts as high as 24 mph.
Sunday Night
Snow. The snow could be heavy at times. Areas of blowing snow after 1am. Low around 30. Wind chill values between 15 and 20. Windy, with a northeast wind 15 to 20 mph increasing to 23 to 28 mph after midnight. Winds could gust as high as 44 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Monday
Snow. The snow could be heavy at times. Areas of blowing snow. High near 32. Windy, with a north wind 24 to 32 mph, with gusts as high as 48 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Monday Night
Cloudy, then gradually becoming partly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 32.
Tuesday Night
Partly cloudy, with a low around 15.
Wednesday
A chance of rain and snow after 1pm. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 29.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 43.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 29.
Friday
A 30 percent chance of rain. Mostly sunny, with a high near 41.
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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:
3:41 am EST Feb 21, 2026
Forecast Valid:
8am EST Feb 21, 2026-6pm EST Feb 27, 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