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

23°F

-5°C

Humidity 81%
Wind Speed W 7 mph
Barometer 30.15 in (1021.1 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 28 Dec 7:53 am EST
Extended Forecast for

Nantucket Memorial Airport MA

  • Today

    Today: Increasing clouds, with a high near 35. West wind around 11 mph.

    High: 35 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Rain, mainly after midnight. Temperature rising to around 44 by 5am. South wind 9 to 14 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F⇑

    Chance Rain
    then Rain

  • Monday

    Monday: Rain. High near 50. Breezy, with a southwest wind 17 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain and
    Breezy

  • Monday Night

    Monday Night: Rain likely, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 27. Breezy, with a west wind 20 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 27 °F

    Breezy. Rain
    Likely then
    Slight Chance
    Rain

  • Tuesday

    Tuesday: A slight chance of snow after 10am. Mostly cloudy, with a high near 34. Windy, with a west wind 24 to 26 mph, with gusts as high as 45 mph. Chance of precipitation is 20%.

    High: 34 °F

    Slight Chance
    Snow and
    Windy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 25. Breezy, with a west wind 20 to 24 mph, with gusts as high as 39 mph.

    Low: 25 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 37. Breezy, with a west wind 18 to 21 mph.

    High: 37 °F

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: A chance of snow after 3am. Mostly cloudy, with a low around 25. West wind 16 to 18 mph. Chance of precipitation is 30%.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow

  • New Year's Day

    New Year's Day: A chance of snow. Mostly cloudy, with a high near 34. West wind 14 to 16 mph. Chance of precipitation is 40%.

    High: 34 °F

    Chance Snow

Detailed Forecast

Today
Increasing clouds, with a high near 35. West wind around 11 mph.
Tonight
Rain, mainly after midnight. Temperature rising to around 44 by 5am. South wind 9 to 14 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. High near 50. Breezy, with a southwest wind 17 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Rain likely, mainly before 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 27. Breezy, with a west wind 20 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A slight chance of snow after 10am. Mostly cloudy, with a high near 34. Windy, with a west wind 24 to 26 mph, with gusts as high as 45 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 25. Breezy, with a west wind 20 to 24 mph, with gusts as high as 39 mph.
Wednesday
Mostly cloudy, with a high near 37. Breezy, with a west wind 18 to 21 mph.
Wednesday Night
A chance of snow after 3am. Mostly cloudy, with a low around 25. West wind 16 to 18 mph. Chance of precipitation is 30%.
New Year's Day
A chance of snow. Mostly cloudy, with a high near 34. West wind 14 to 16 mph. Chance of precipitation is 40%.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 23. Northwest wind 11 to 14 mph. Chance of precipitation is 40%.
Friday
A chance of snow. Partly sunny, with a high near 33. Northwest wind around 15 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 22. Northwest wind 11 to 13 mph.
Saturday
Mostly sunny, with a high near 36. West wind 11 to 15 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.25°N 70.06°W (Elev. 0 ft)
Last Update:
4:11 am EST Dec 28, 2025
Forecast Valid:
8am EST Dec 28, 2025-6pm EST Jan 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation