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 Snow Fog/Mist

32°F

0°C

Humidity 92%
Wind Speed NE 17 G 28 mph
Barometer 29.74 in (1007.0 mb)
Dewpoint 30°F (-1°C)
Visibility 1.00 mi
Wind Chill21°F (-6°C)
Last update 22 Feb 10:56 pm EST
Extended Forecast for

Stonington CT

Coastal Flood Advisory until February 23, 05:00am
Blizzard Warning February 22, 11:40pm until February 23, 06:00pm
Click here for hazard details and duration
Coastal Flood Advisory
Blizzard Warning
  •  
    Coastal Flood Advisory until February 23, 05:00am
    Blizzard Warning February 22, 11:40pm until February 23, 06:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 29 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday

    Monday: Snow. The snow could be heavy at times. Areas of blowing snow. High near 32. Wind chill values between 15 and 20. Windy, with a north wind 31 to 36 mph decreasing to 24 to 29 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    High: 32 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday Night

    Monday Night: Snow likely before 7pm. Mostly cloudy, with a low around 21. Wind chill values between 10 and 15. Blustery, with a northwest wind 14 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Snow Likely
    and Blustery
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. Wind chill values between 10 and 20. West wind 8 to 10 mph, with gusts as high as 22 mph.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after 1am. Increasing clouds, with a low around 16. West wind around 6 mph becoming light and variable after midnight.

    Low: 16 °F

    Partly Cloudy
    then Slight
    Chance Snow

  • 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%. New snow accumulation of less than one inch possible.

    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

  • Thursday

    Thursday: A chance of rain and snow after 1pm. Mostly cloudy, with a high near 42. Chance of precipitation is 40%.

    High: 42 °F

    Partly Sunny
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
Snow. The snow could be heavy at times. Areas of blowing snow after 1am. Low around 29. Wind chill values between 15 and 20. Windy, with a northeast wind 24 to 33 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 10 to 16 inches possible.
Monday
Snow. The snow could be heavy at times. Areas of blowing snow. High near 32. Wind chill values between 15 and 20. Windy, with a north wind 31 to 36 mph decreasing to 24 to 29 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Monday Night
Snow likely before 7pm. Mostly cloudy, with a low around 21. Wind chill values between 10 and 15. Blustery, with a northwest wind 14 to 22 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
Mostly sunny, with a high near 30. Wind chill values between 10 and 20. West wind 8 to 10 mph, with gusts as high as 22 mph.
Tuesday Night
A 20 percent chance of snow after 1am. Increasing clouds, with a low around 16. West wind around 6 mph becoming light and variable after midnight.
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%. New snow accumulation of less than one inch possible.
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
Snow likely before midnight, then rain likely. Mostly cloudy, with a low around 30. Chance of precipitation is 70%.
Friday
A chance of snow before 7am, then a chance of rain between 7am and noon. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 26.
Saturday
Sunny, with a high near 42.
Saturday Night
Partly cloudy, with a low around 31.
Sunday
Partly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Stonington CT
 41.35°N 71.93°W (Elev. 3 ft)
Last Update:
5:56 pm EST Feb 22, 2026
Forecast Valid:
11pm EST Feb 22, 2026-6pm EST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation