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.

Heavy Snow Freezing Fog and Windy

31°F

-1°C

Humidity 92%
Wind Speed N 28 G 47 mph
Barometer 29.38 in (994.9 mb)
Dewpoint 29°F (-2°C)
Visibility 0.25 mi
Wind Chill17°F (-8°C)
Last update 23 Feb 3:56 am EST
Extended Forecast for

2 Miles SSE South Lyme CT

Coastal Flood Advisory until February 23, 05:00am
Blizzard Warning February 23, 04:33am 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 23, 04:33am until February 23, 06:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 30 °F

    Heavy Snow
    and Areas
    Blowing Snow

  • Monday

    Monday: Snow, mainly before 4pm. 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 32 to 37 mph decreasing to 25 to 30 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    High: 32 °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 22. Wind chill values between 10 and 15. Blustery, with a northwest wind 15 to 23 mph, with gusts as high as 36 mph.

    Low: 22 °F

    Chance Snow
    and Blustery
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 31. Wind chill values between 10 and 20. Northwest wind 9 to 11 mph, with gusts as high as 23 mph.

    High: 31 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly after 4am. Increasing clouds, with a low around 19. Northwest wind around 6 mph becoming light and variable.

    Low: 19 °F

    Partly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Rain and snow, becoming all rain after 10am, then gradually ending. High near 40. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow
    then 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. Partly sunny, with a high near 41. Chance of precipitation is 40%.

    High: 41 °F

    Mostly Sunny
    then Chance
    Rain/Snow

Detailed Forecast

Overnight
Snow. The snow could be heavy at times. Areas of blowing snow. Low around 30. Wind chill values between 15 and 20. Windy, with a northeast wind around 34 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 9 to 13 inches possible.
Monday
Snow, mainly before 4pm. 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 32 to 37 mph decreasing to 25 to 30 mph in the afternoon. Winds could gust as high as 55 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Monday Night
A 30 percent chance of snow before 7pm. Mostly cloudy, with a low around 22. Wind chill values between 10 and 15. Blustery, with a northwest wind 15 to 23 mph, with gusts as high as 36 mph.
Tuesday
Mostly sunny, with a high near 31. Wind chill values between 10 and 20. Northwest wind 9 to 11 mph, with gusts as high as 23 mph.
Tuesday Night
A 30 percent chance of snow, mainly after 4am. Increasing clouds, with a low around 19. Northwest wind around 6 mph becoming light and variable.
Wednesday
Rain and snow, becoming all rain after 10am, then gradually ending. High near 40. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 28.
Thursday
A chance of rain and snow after 1pm. Partly sunny, with a high near 41. Chance of precipitation is 40%.
Thursday Night
Snow likely before 1am, then rain likely. Mostly cloudy, with a low around 31. Chance of precipitation is 70%.
Friday
A 30 percent chance of rain before 1pm. Partly sunny, with a high near 42.
Friday Night
Mostly clear, with a low around 28.
Saturday
Sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 32.
Sunday
Partly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE South Lyme CT
 41.28°N 72.3°W (Elev. 0 ft)
Last Update:
1:42 am EST Feb 23, 2026
Forecast Valid:
4am EST Feb 23, 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

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation