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

53°F

12°C

Humidity 83%
Wind Speed W 8 mph
Barometer 29.88 in (1011.8 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 15 Apr 5:53 am EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Today

    Today: Mostly sunny, with a high near 58. West wind 5 to 10 mph becoming southeast in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly between 10pm and 4am. Patchy fog before 5am. Otherwise, cloudy, with a low around 47. South wind 7 to 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog between 7am and 10am. Otherwise, partly sunny, with a high near 59. Southwest wind 9 to 14 mph.

    High: 59 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46. Southwest wind around 10 mph.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers, mainly after 4pm. Partly sunny, with a high near 59. Southwest wind 9 to 11 mph. Chance of precipitation is 30%.

    High: 59 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A slight chance of showers before midnight. Mostly cloudy, with a low around 43. Northeast wind around 7 mph. Chance of precipitation is 20%.

    Low: 43 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 54. Northeast wind around 9 mph.

    High: 54 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44. East wind 5 to 7 mph becoming south after midnight.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 10am. Mostly cloudy, with a high near 57. South wind 10 to 17 mph. Chance of precipitation is 40%.

    High: 57 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 58. West wind 5 to 10 mph becoming southeast in the afternoon.
Tonight
A chance of showers and thunderstorms, mainly between 10pm and 4am. Patchy fog before 5am. Otherwise, cloudy, with a low around 47. South wind 7 to 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Patchy fog between 7am and 10am. Otherwise, partly sunny, with a high near 59. Southwest wind 9 to 14 mph.
Thursday Night
Mostly cloudy, with a low around 46. Southwest wind around 10 mph.
Friday
A chance of showers, mainly after 4pm. Partly sunny, with a high near 59. Southwest wind 9 to 11 mph. Chance of precipitation is 30%.
Friday Night
A slight chance of showers before midnight. Mostly cloudy, with a low around 43. Northeast wind around 7 mph. Chance of precipitation is 20%.
Saturday
Mostly cloudy, with a high near 54. Northeast wind around 9 mph.
Saturday Night
Mostly cloudy, with a low around 44. East wind 5 to 7 mph becoming south after midnight.
Sunday
A chance of showers after 10am. Mostly cloudy, with a high near 57. South wind 10 to 17 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 39. West wind 16 to 18 mph. Chance of precipitation is 50%.
Monday
A chance of showers. Partly sunny, with a high near 48. Breezy, with a west wind 18 to 20 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 35. Northwest wind around 16 mph.
Tuesday
Sunny, with a high near 49. West wind around 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:
2:29 am EDT Apr 15, 2026
Forecast Valid:
6am EDT Apr 15, 2026-6pm EDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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