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.

Overcast

34°F

1°C

Humidity 67%
Wind Speed E 12 mph
Barometer 30.09 in (1018.7 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 22 Feb 12:56 pm EST
Extended Forecast for

Conning Towers-Nautilus Park CT

Coastal Flood Advisory February 22, 11:00pm until February 23, 05:00am
Blizzard Warning February 22, 01:36pm until February 23, 06:00pm
Click here for hazard details and duration
Coastal Flood Advisory
Blizzard Warning
  •  
    Blizzard Warning February 22, 01:36pm until February 23, 06:00pm

    NOW until 6:00pm Mon

    Blizzard Warning

  • This Afternoon

    High: 35 °F

    Snow Likely

  • Tonight

    Tonight: Snow. The snow could be heavy at times. Areas of blowing snow after 1am. Steady temperature around 32. Wind chill values between 15 and 20. Windy, with a northeast wind 23 to 28 mph increasing to 34 to 39 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.

    Low: 32 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday

    Monday: Snow, mainly before 4pm. The snow could be heavy at times. Areas of blowing snow. Steady temperature around 30. Wind chill values between 10 and 15. Windy, with a north wind 29 to 39 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    High: 30 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: A 30 percent chance of snow before 7pm. Mostly cloudy, with a low around 24. Wind chill values between 10 and 20. Blustery, with a northwest wind 21 to 25 mph.

    Low: 24 °F

    Blustery.
    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. Northwest wind 13 to 15 mph.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 16.

    Low: 16 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Rain and snow likely before noon, then a chance of rain between noon and 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 70%.

    High: 39 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Snow likely, mainly after 4pm. Cloudy, with a high near 35. Wind chill values between 25 and 30. East wind 14 to 17 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow. The snow could be heavy at times. Areas of blowing snow after 1am. Steady temperature around 32. Wind chill values between 15 and 20. Windy, with a northeast wind 23 to 28 mph increasing to 34 to 39 mph after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.
Monday
Snow, mainly before 4pm. The snow could be heavy at times. Areas of blowing snow. Steady temperature around 30. Wind chill values between 10 and 15. Windy, with a north wind 29 to 39 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Monday Night
A 30 percent chance of snow before 7pm. Mostly cloudy, with a low around 24. Wind chill values between 10 and 20. Blustery, with a northwest wind 21 to 25 mph.
Tuesday
Mostly sunny, with a high near 30. Northwest wind 13 to 15 mph.
Tuesday Night
Increasing clouds, with a low around 16.
Wednesday
Rain and snow likely before noon, then a chance of rain between noon and 1pm. Mostly cloudy, with a high near 39. Chance of precipitation is 70%.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
A chance of rain and snow after 1pm. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.
Friday
A 30 percent chance of rain. Mostly cloudy, with a high near 43.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 43.
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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:
12:57 pm EST Feb 22, 2026
Forecast Valid:
1pm EST Feb 22, 2026-6pm EST Feb 28, 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