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.

Fog

33°F

1°C

Humidity 100%
Wind Speed Calm
Barometer 30.04 in (1017.1 mb)
Dewpoint 33°F (1°C)
Visibility 0.50 mi
Last update 28 Feb 9:53 pm EST
Extended Forecast for

Nantucket Memorial Airport MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. Calm wind becoming north around 6 mph after midnight.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely before 4pm, then a chance of snow. Increasing clouds, with a high near 39. North wind 7 to 11 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Slight Chance
    Rain then
    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: A chance of snow before 7pm. Partly cloudy, with a low around 19. North wind 10 to 14 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 19 °F

    Chance Snow
    then Partly
    Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 27. North wind 6 to 11 mph.

    High: 27 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 21. Calm wind becoming south around 6 mph after midnight.

    Low: 21 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of rain, mainly after 1pm. Partly sunny, with a high near 43. South wind 8 to 14 mph. Chance of precipitation is 40%.

    High: 43 °F

    Mostly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 35. South wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    Low: 35 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 7am. Mostly cloudy, with a high near 41. West wind 7 to 11 mph becoming east in the afternoon. Chance of precipitation is 60%.

    High: 41 °F

    Rain Likely
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain after 3am. Mostly cloudy, with a low around 34. South wind around 6 mph. Chance of precipitation is 30%.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 32. Calm wind becoming north around 6 mph after midnight.
Sunday
Rain likely before 4pm, then a chance of snow. Increasing clouds, with a high near 39. North wind 7 to 11 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
A chance of snow before 7pm. Partly cloudy, with a low around 19. North wind 10 to 14 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Monday
Mostly sunny, with a high near 27. North wind 6 to 11 mph.
Monday Night
Mostly clear, with a low around 21. Calm wind becoming south around 6 mph after midnight.
Tuesday
A chance of rain, mainly after 1pm. Partly sunny, with a high near 43. South wind 8 to 14 mph. Chance of precipitation is 40%.
Tuesday Night
Rain. Low around 35. South wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Wednesday
Rain likely, mainly before 7am. Mostly cloudy, with a high near 41. West wind 7 to 11 mph becoming east in the afternoon. Chance of precipitation is 60%.
Wednesday Night
A chance of rain after 3am. Mostly cloudy, with a low around 34. South wind around 6 mph. Chance of precipitation is 30%.
Thursday
A chance of rain. Cloudy, with a high near 43. Southwest wind 7 to 11 mph. Chance of precipitation is 30%.
Thursday Night
A chance of rain. Cloudy, with a low around 36. Southwest wind around 10 mph becoming east after midnight. Chance of precipitation is 50%.
Friday
A chance of rain. Cloudy, with a high near 43. East wind 10 to 13 mph. Chance of precipitation is 50%.
Friday Night
A chance of rain. Cloudy, with a low around 36. Southeast wind around 9 mph becoming southwest after midnight. Chance of precipitation is 30%.
Saturday
Cloudy, with a high near 45. Southwest wind 8 to 11 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.27°N 70.06°W (Elev. 49 ft)
Last Update:
5:15 pm EST Feb 28, 2026
Forecast Valid:
10pm EST Feb 28, 2026-6pm EST Mar 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation