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

25°F

-4°C

Humidity 66%
Wind Speed W 9 mph
Barometer 30.09 in (1019.0 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 20 Jan 6:53 am EST
Extended Forecast for

Nantucket Memorial Airport MA

  • Today

    Today: Mostly sunny, with a high near 28. West wind 14 to 17 mph, with gusts as high as 32 mph.

    High: 28 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 20. West wind 10 to 15 mph, with gusts as high as 28 mph.

    Low: 20 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 41. Southwest wind 8 to 14 mph.

    High: 41 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A slight chance of rain after 3am. Mostly cloudy, with a low around 33. Southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 33 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday

    Thursday: A slight chance of rain before 2pm. Mostly sunny, with a high near 43. Southwest wind 13 to 15 mph. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 28. West wind 10 to 13 mph.

    Low: 28 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 37. West wind 11 to 15 mph.

    High: 37 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 13. West wind around 16 mph.

    Low: 13 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 21. Northwest wind 13 to 15 mph.

    High: 21 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 28. West wind 14 to 17 mph, with gusts as high as 32 mph.
Tonight
Mostly clear, with a low around 20. West wind 10 to 15 mph, with gusts as high as 28 mph.
Wednesday
Increasing clouds, with a high near 41. Southwest wind 8 to 14 mph.
Wednesday Night
A slight chance of rain after 3am. Mostly cloudy, with a low around 33. Southwest wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Thursday
A slight chance of rain before 2pm. Mostly sunny, with a high near 43. Southwest wind 13 to 15 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 28. West wind 10 to 13 mph.
Friday
Partly sunny, with a high near 37. West wind 11 to 15 mph.
Friday Night
Mostly cloudy, with a low around 13. West wind around 16 mph.
Saturday
Mostly sunny, with a high near 21. Northwest wind 13 to 15 mph.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 14. Northwest wind 11 to 13 mph. Chance of precipitation is 40%.
Sunday
Snow likely. Mostly cloudy, with a high near 26. North wind around 14 mph. Chance of precipitation is 60%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 17. North wind around 14 mph. Chance of precipitation is 50%.
Monday
A chance of snow. Partly sunny, with a high near 27. Northwest wind around 15 mph. Chance of precipitation is 40%.
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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:
6:12 am EST Jan 20, 2026
Forecast Valid:
7am EST Jan 20, 2026-6pm EST Jan 26, 2026
 
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Additional Resources

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