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Hazardous Weather Conditions

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Snow Fog/Mist and Windy

33°F

1°C

Humidity 96%
Wind Speed NE 43 G 70 mph
Barometer 29.17 in (987.7 mb)
Dewpoint 32°F (0°C)
Visibility 0.75 mi
Wind Chill17°F (-8°C)
Last update 23 Feb 5:53 am EST
Extended Forecast for

5 Miles W Nantucket MA

Coastal Flood Advisory February 23, 01:00pm until February 23, 08:00pm
Blizzard Warning February 23, 07:43am until February 24, 07:00am
Click here for hazard details and duration
Coastal Flood Advisory
Blizzard Warning
  •  
    Blizzard Warning February 23, 07:43am until February 24, 07:00am

    NOW until 7:00am Tue

    Blizzard Warning

  • Today

    High: 36 °F

    Rain/Snow and
    Areas Blowing
    Snow

  • Tonight

    Tonight: Snow, mainly before 9pm. Low around 25. Very windy, with a northwest wind 36 to 41 mph decreasing to 22 to 27 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Snow and Very
    Windy then
    Mostly Cloudy
    and Windy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 31. Blustery, with a northwest wind 14 to 20 mph.

    High: 31 °F

    Mostly Sunny
    and Blustery
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25. West wind 10 to 14 mph.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Rain and snow likely before 10am, then rain. High near 39. South wind 10 to 17 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow
    then Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly before 8pm. Partly cloudy, with a low around 31. Southwest wind around 16 mph. Chance of precipitation is 30%.

    Low: 31 °F

    Chance Rain
    then Partly
    Cloudy

  • Thursday

    Thursday: A chance of snow after 5pm. Partly sunny, with a high near 40. West wind 10 to 14 mph. Chance of precipitation is 30%.

    High: 40 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A chance of snow before 7pm, then a chance of rain and snow between 7pm and 9pm, then rain likely after 9pm. Cloudy, with a low around 32. South wind 10 to 15 mph. Chance of precipitation is 70%.

    Low: 32 °F

    Rain/Snow
    Likely then
    Rain Likely

Detailed Forecast

Today
Snow, possibly mixed with rain, becoming all snow after 3pm. Areas of blowing snow. High near 36. Very windy, with a northeast wind 45 to 55 mph, with gusts as high as 75 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 5 to 9 inches possible.
Tonight
Snow, mainly before 9pm. Low around 25. Very windy, with a northwest wind 36 to 41 mph decreasing to 22 to 27 mph after midnight. Winds could gust as high as 55 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Tuesday
Mostly sunny, with a high near 31. Blustery, with a northwest wind 14 to 20 mph.
Tuesday Night
Partly cloudy, with a low around 25. West wind 10 to 14 mph.
Wednesday
Rain and snow likely before 10am, then rain. High near 39. South wind 10 to 17 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
A chance of rain, mainly before 8pm. Partly cloudy, with a low around 31. Southwest wind around 16 mph. Chance of precipitation is 30%.
Thursday
A chance of snow after 5pm. Partly sunny, with a high near 40. West wind 10 to 14 mph. Chance of precipitation is 30%.
Thursday Night
A chance of snow before 7pm, then a chance of rain and snow between 7pm and 9pm, then rain likely after 9pm. Cloudy, with a low around 32. South wind 10 to 15 mph. Chance of precipitation is 70%.
Friday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 41. South wind 11 to 14 mph becoming northwest in the afternoon. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 33. Northwest wind 7 to 9 mph.
Saturday
Mostly sunny, with a high near 41. Southwest wind 8 to 11 mph.
Saturday Night
Partly cloudy, with a low around 33. Southwest wind around 10 mph.
Sunday
Partly sunny, with a high near 40. West wind 10 to 14 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Nantucket MA
 41.29°N 70.2°W (Elev. 0 ft)
Last Update:
5:54 am EST Feb 23, 2026
Forecast Valid:
7am EST Feb 23, 2026-6pm EST Mar 1, 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