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.

Overcast

42°F

6°C

Humidity 96%
Wind Speed S 8 mph
Barometer NA
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 15 Jan 4:53 am EST
Extended Forecast for

Nantucket Memorial Airport MA

  • Today

    Today: Mostly cloudy, with a high near 47. Southwest wind 8 to 14 mph, with gusts as high as 28 mph.

    High: 47 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. West wind 14 to 18 mph, with gusts as high as 36 mph.

    Low: 24 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 38. Breezy, with a west wind 15 to 20 mph, with gusts as high as 38 mph.

    High: 38 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 31. Southwest wind 8 to 14 mph.

    Low: 31 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A chance of rain, mainly before 3pm. Mostly cloudy, with a high near 43. Southwest wind 7 to 10 mph. Chance of precipitation is 40%.

    High: 43 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A slight chance of showers before 9pm, then a slight chance of showers after 5am. Mostly cloudy, with a low around 35. West wind 6 to 8 mph. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of snow before 9am, then a chance of rain between 9am and 4pm, then snow likely after 4pm. Mostly cloudy, with a high near 41. Southwest wind 7 to 10 mph. Chance of precipitation is 60%.

    High: 41 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 27. North wind 10 to 13 mph. Chance of precipitation is 70%.

    Low: 27 °F

    Snow Likely

  • M.L.King Day

    M.L.King Day: Partly sunny, with a high near 35. West wind 13 to 15 mph, with gusts as high as 26 mph.

    High: 35 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 47. Southwest wind 8 to 14 mph, with gusts as high as 28 mph.
Tonight
Mostly cloudy, with a low around 24. West wind 14 to 18 mph, with gusts as high as 36 mph.
Friday
Mostly sunny, with a high near 38. Breezy, with a west wind 15 to 20 mph, with gusts as high as 38 mph.
Friday Night
Increasing clouds, with a low around 31. Southwest wind 8 to 14 mph.
Saturday
A chance of rain, mainly before 3pm. Mostly cloudy, with a high near 43. Southwest wind 7 to 10 mph. Chance of precipitation is 40%.
Saturday Night
A slight chance of showers before 9pm, then a slight chance of showers after 5am. Mostly cloudy, with a low around 35. West wind 6 to 8 mph. Chance of precipitation is 20%.
Sunday
A chance of snow before 9am, then a chance of rain between 9am and 4pm, then snow likely after 4pm. Mostly cloudy, with a high near 41. Southwest wind 7 to 10 mph. Chance of precipitation is 60%.
Sunday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 27. North wind 10 to 13 mph. Chance of precipitation is 70%.
M.L.King Day
Partly sunny, with a high near 35. West wind 13 to 15 mph, with gusts as high as 26 mph.
Monday Night
Mostly cloudy, with a low around 21. West wind around 15 mph.
Tuesday
Mostly sunny, with a high near 30. West wind 14 to 16 mph, with gusts as high as 29 mph.
Tuesday Night
Mostly cloudy, with a low around 17. West wind 14 to 16 mph, with gusts as high as 26 mph.
Wednesday
Partly sunny, with a high near 31. West wind around 15 mph, with gusts as high as 25 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:
2:24 am EST Jan 15, 2026
Forecast Valid:
5am EST Jan 15, 2026-6pm EST Jan 21, 2026
 
Forecast Discussion
 
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Additional Resources

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