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

31°F

-1°C

Humidity 69%
Wind Speed N 10 mph
Barometer 30.01 in (1016.3 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 27 Feb 4:53 am EST
Extended Forecast for

Nantucket Memorial Airport MA

  • Today

    Today: Sunny, with a high near 39. North wind 5 to 9 mph becoming calm in the afternoon.

    High: 39 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 27. South wind 5 to 7 mph.

    Low: 27 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 45. South wind 6 to 9 mph.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32. Southwest wind around 6 mph becoming northwest after midnight.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain and snow between noon and 2pm, then a slight chance of snow after 2pm. Partly sunny, with a high near 38. Northwest wind 6 to 10 mph. Chance of precipitation is 20%.

    High: 38 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20. Northwest wind 11 to 14 mph.

    Low: 20 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 28. North wind 6 to 10 mph.

    High: 28 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 22. North wind around 6 mph.

    Low: 22 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 38. South wind 7 to 10 mph.

    High: 38 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 39. North wind 5 to 9 mph becoming calm in the afternoon.
Tonight
Clear, with a low around 27. South wind 5 to 7 mph.
Saturday
Sunny, with a high near 45. South wind 6 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 32. Southwest wind around 6 mph becoming northwest after midnight.
Sunday
A slight chance of rain and snow between noon and 2pm, then a slight chance of snow after 2pm. Partly sunny, with a high near 38. Northwest wind 6 to 10 mph. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 20. Northwest wind 11 to 14 mph.
Monday
Mostly cloudy, with a high near 28. North wind 6 to 10 mph.
Monday Night
Mostly cloudy, with a low around 22. North wind around 6 mph.
Tuesday
Partly sunny, with a high near 38. South wind 7 to 10 mph.
Tuesday Night
Rain likely, mainly after 3am. Cloudy, with a low around 32. South wind around 10 mph. Chance of precipitation is 60%.
Wednesday
A chance of rain. Partly sunny, with a high near 42. West wind 8 to 11 mph. Chance of precipitation is 50%.
Wednesday Night
Partly cloudy, with a low around 34. Southwest wind around 7 mph.
Thursday
Mostly cloudy, with a high near 42. 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:
5:10 am EST Feb 27, 2026
Forecast Valid:
5am EST Feb 27, 2026-6pm EST Mar 5, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation