National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Fair

33°F

1°C

Humidity 78%
Wind Speed E 7 mph
Barometer 30.09 in (1019.0 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 19 Feb 8:53 pm EST
Extended Forecast for

Nantucket Memorial Airport MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. Calm wind becoming east 5 to 9 mph after midnight.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Rain, mainly after 2pm. High near 38. East wind 10 to 17 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 38 °F

    Slight Chance
    Rain then
    Rain

  • Friday Night

    Friday Night: Rain before 5am, then a chance of rain or freezing rain. Low around 30. Breezy, with an east wind 14 to 20 mph becoming north after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 30 °F

    Rain and
    Breezy then
    Chance
    Rain/Freezing
    Rain

  • Saturday

    Saturday: A chance of snow and freezing rain before 7am, then a slight chance of snow between 7am and 9am. Mostly cloudy, with a high near 35. North wind 10 to 13 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 35 °F

    Chance Wintry
    Mix then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26. Northeast wind around 9 mph.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 36. Northeast wind 9 to 14 mph.

    High: 36 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of snow after 9pm. Cloudy, with a low around 29. Blustery, with an east wind 17 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 50%.

    Low: 29 °F

    Chance Snow
    and Blustery

  • Monday

    Monday: Snow likely, mainly between 10am and 11am. Cloudy, with a high near 35. Windy, with a north wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%.

    High: 35 °F

    Snow Likely
    and Windy

  • Monday Night

    Monday Night: A chance of snow before 10pm. Mostly cloudy, with a low around 25. Blustery, with a northwest wind 14 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 40%.

    Low: 25 °F

    Chance Snow
    and Blustery
    then Mostly
    Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 30. Calm wind becoming east 5 to 9 mph after midnight.
Friday
Rain, mainly after 2pm. High near 38. East wind 10 to 17 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Rain before 5am, then a chance of rain or freezing rain. Low around 30. Breezy, with an east wind 14 to 20 mph becoming north after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A chance of snow and freezing rain before 7am, then a slight chance of snow between 7am and 9am. Mostly cloudy, with a high near 35. North wind 10 to 13 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday Night
Mostly cloudy, with a low around 26. Northeast wind around 9 mph.
Sunday
Mostly cloudy, with a high near 36. Northeast wind 9 to 14 mph.
Sunday Night
A chance of snow after 9pm. Cloudy, with a low around 29. Blustery, with an east wind 17 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 50%.
Monday
Snow likely, mainly between 10am and 11am. Cloudy, with a high near 35. Windy, with a north wind 25 to 30 mph, with gusts as high as 45 mph. Chance of precipitation is 60%.
Monday Night
A chance of snow before 10pm. Mostly cloudy, with a low around 25. Blustery, with a northwest wind 14 to 23 mph, with gusts as high as 34 mph. Chance of precipitation is 40%.
Tuesday
Partly sunny, with a high near 34. Northwest wind 10 to 13 mph.
Tuesday Night
Mostly clear, with a low around 24. West wind around 10 mph.
Wednesday
Partly sunny, with a high near 40. South wind 9 to 14 mph.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 31. South wind around 14 mph. Chance of precipitation is 40%.
Thursday
A chance of rain. Mostly cloudy, with a high near 41. Southwest wind 14 to 16 mph. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.25°N 70.06°W (Elev. 0 ft)
Last Update:
5:35 pm EST Feb 19, 2026
Forecast Valid:
9pm EST Feb 19, 2026-6pm EST Feb 26, 2026
 
Forecast Discussion
 
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Additional Resources

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