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.

Partly Cloudy

43°F

6°C

Humidity 86%
Wind Speed SW 12 mph
Barometer 29.40 in (995.7 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 15 Jan 2:53 pm EST
Extended Forecast for

Nantucket Memorial Airport MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. Breezy, with a west wind 18 to 22 mph, with gusts as high as 33 mph.

    Low: 25 °F

    Mostly Cloudy
    and Breezy

  • Friday

    Friday: Sunny, with a high near 37. Windy, with a west wind 20 to 26 mph, with gusts as high as 40 mph.

    High: 37 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Increasing clouds, with a low around 31. Southwest wind 9 to 16 mph.

    Low: 31 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A chance of rain, mainly between noon and 5pm. Mostly cloudy, with a high near 44. Southwest wind 8 to 14 mph. Chance of precipitation is 30%.

    High: 44 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34. West wind 8 to 11 mph.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain, mainly after 11am. Mostly cloudy, with a high near 41. West wind 8 to 13 mph. Chance of precipitation is 50%.

    High: 41 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain and snow before 8pm, then a chance of snow between 8pm and 4am. Mostly cloudy, with a low around 27. Northwest wind 10 to 14 mph. Chance of precipitation is 50%.

    Low: 27 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 36. Breezy, with a southwest wind 14 to 20 mph.

    High: 36 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 19. Breezy, with a west wind 18 to 20 mph, with gusts as high as 30 mph.

    Low: 19 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 25. Breezy, with a west wind 18 to 22 mph, with gusts as high as 33 mph.
Friday
Sunny, with a high near 37. Windy, with a west wind 20 to 26 mph, with gusts as high as 40 mph.
Friday Night
Increasing clouds, with a low around 31. Southwest wind 9 to 16 mph.
Saturday
A chance of rain, mainly between noon and 5pm. Mostly cloudy, with a high near 44. Southwest wind 8 to 14 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 34. West wind 8 to 11 mph.
Sunday
A chance of rain, mainly after 11am. Mostly cloudy, with a high near 41. West wind 8 to 13 mph. Chance of precipitation is 50%.
Sunday Night
A chance of rain and snow before 8pm, then a chance of snow between 8pm and 4am. Mostly cloudy, with a low around 27. Northwest wind 10 to 14 mph. Chance of precipitation is 50%.
M.L.King Day
Partly sunny, with a high near 36. Breezy, with a southwest wind 14 to 20 mph.
Monday Night
Mostly cloudy, with a low around 19. Breezy, with a west wind 18 to 20 mph, with gusts as high as 30 mph.
Tuesday
Mostly sunny, with a high near 26. Breezy, with a west wind 18 to 20 mph.
Tuesday Night
Partly cloudy, with a low around 16. West wind 15 to 18 mph.
Wednesday
Partly sunny, with a high near 33. Southwest wind 14 to 17 mph.
Wednesday Night
A chance of snow. Mostly cloudy, with a low around 26. West wind around 15 mph. Chance of precipitation is 30%.
Thursday
A chance of snow. Partly sunny, with a high near 36. West wind 15 to 18 mph. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.25°N 70.06°W (Elev. 0 ft)
Last Update:
1:35 pm EST Jan 15, 2026
Forecast Valid:
3pm EST Jan 15, 2026-6pm EST Jan 22, 2026
 
Forecast Discussion
 
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Additional Resources

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