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

39°F

4°C

Humidity 76%
Wind Speed SW 12 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 13 Jan 8:53 am EST
Extended Forecast for

Nantucket Memorial Airport MA

  • Today

    Today: Sunny, with a high near 44. Southwest wind 13 to 15 mph.

    High: 44 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 41. South wind 13 to 18 mph.

    Low: 41 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 47. Southwest wind 9 to 16 mph.

    High: 47 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly after 7pm. Cloudy, with a low around 35. South wind 11 to 15 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, mainly before 9am. Mostly cloudy, with a high near 42. Breezy, with a west wind 11 to 16 mph increasing to 19 to 24 mph in the afternoon. Chance of precipitation is 30%.

    High: 42 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A slight chance of rain showers before 8pm, then a slight chance of snow showers between 8pm and 2am. Mostly cloudy, with a low around 20. Breezy, with a west wind 18 to 22 mph. Chance of precipitation is 20%.

    Low: 20 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 34. West wind 11 to 17 mph.

    High: 34 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29. Southwest wind around 11 mph.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Partly sunny, with a high near 43. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 43 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 44. Southwest wind 13 to 15 mph.
Tonight
Increasing clouds, with a low around 41. South wind 13 to 18 mph.
Wednesday
Partly sunny, with a high near 47. Southwest wind 9 to 16 mph.
Wednesday Night
A chance of showers, mainly after 7pm. Cloudy, with a low around 35. South wind 11 to 15 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers, mainly before 9am. Mostly cloudy, with a high near 42. Breezy, with a west wind 11 to 16 mph increasing to 19 to 24 mph in the afternoon. Chance of precipitation is 30%.
Thursday Night
A slight chance of rain showers before 8pm, then a slight chance of snow showers between 8pm and 2am. Mostly cloudy, with a low around 20. Breezy, with a west wind 18 to 22 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 34. West wind 11 to 17 mph.
Friday Night
Mostly cloudy, with a low around 29. Southwest wind around 11 mph.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 43. Southwest wind 9 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 32. South wind around 9 mph. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 40. West wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Sunday Night
A chance of rain and snow showers. Mostly cloudy, with a low around 27. West wind around 14 mph. Chance of precipitation is 30%.
M.L.King Day
Partly sunny, with a high near 35. West wind around 15 mph, with gusts as high as 26 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:
5:20 am EST Jan 13, 2026
Forecast Valid:
9am EST Jan 13, 2026-6pm EST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation