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

43°F

6°C

Humidity 93%
Wind Speed S 7 mph
Barometer 29.66 in (1004.5 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 14 Jan 4:53 pm EST
Extended Forecast for

Nantucket Memorial Airport MA

  • Tonight

    Tonight: Rain, mainly between 11pm and 4am. Patchy fog after 11pm. Low around 40. South wind 7 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain and
    Patchy Fog

  • Thursday

    Thursday: A chance of rain, mainly before 7am. Mostly cloudy, with a high near 45. Southwest wind 9 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 45 °F

    Chance Rain
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: A slight chance of snow after 4am. Mostly cloudy, with a low around 23. West wind 14 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.

    Low: 23 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • 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: Mostly cloudy, with a low around 31. Southwest wind 8 to 14 mph, with gusts as high as 30 mph.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain, mainly after noon. Mostly cloudy, with a high near 44. Southwest wind 7 to 10 mph. Chance of precipitation is 30%.

    High: 44 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain before 4am. Mostly cloudy, with a low around 33. Southwest wind around 8 mph. Chance of precipitation is 30%.

    Low: 33 °F

    Chance Rain

  • Sunday

    Sunday: A chance of rain after 11am. Mostly cloudy, with a high near 39. West wind 8 to 11 mph. Chance of precipitation is 40%.

    High: 39 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A chance of snow before 1am. Mostly cloudy, with a low around 25. West wind around 14 mph. Chance of precipitation is 30%.

    Low: 25 °F

    Chance Snow

Detailed Forecast

Tonight
Rain, mainly between 11pm and 4am. Patchy fog after 11pm. Low around 40. South wind 7 to 9 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of rain, mainly before 7am. Mostly cloudy, with a high near 45. Southwest wind 9 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A slight chance of snow after 4am. Mostly cloudy, with a low around 23. West wind 14 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 20%.
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
Mostly cloudy, with a low around 31. Southwest wind 8 to 14 mph, with gusts as high as 30 mph.
Saturday
A chance of rain, mainly after noon. Mostly cloudy, with a high near 44. Southwest wind 7 to 10 mph. Chance of precipitation is 30%.
Saturday Night
A chance of rain before 4am. Mostly cloudy, with a low around 33. Southwest wind around 8 mph. Chance of precipitation is 30%.
Sunday
A chance of rain after 11am. Mostly cloudy, with a high near 39. West wind 8 to 11 mph. Chance of precipitation is 40%.
Sunday Night
A chance of snow before 1am. Mostly cloudy, with a low around 25. West wind around 14 mph. Chance of precipitation is 30%.
M.L.King Day
Mostly sunny, with a high near 35. West wind 13 to 15 mph.
Monday Night
Mostly cloudy, with a low around 22. West wind around 14 mph.
Tuesday
A chance of snow. Partly sunny, with a high near 30. West wind 14 to 16 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 19. West wind 15 to 17 mph.
Wednesday
Mostly sunny, with a high near 32. West wind around 15 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.27°N 70.06°W (Elev. 49 ft)
Last Update:
1:13 pm EST Jan 14, 2026
Forecast Valid:
5pm EST Jan 14, 2026-6pm EST Jan 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation