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

51°F

11°C

Humidity 89%
Wind Speed S 12 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 48°F (9°C)
Visibility 9.00 mi
Wind Chill47°F (8°C)
Last update 15 Apr 7:53 pm EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly after 3am. Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 51. Southwest wind 7 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog between 10am and 11am. Otherwise, mostly sunny, with a high near 56. Southwest wind 10 to 14 mph.

    High: 56 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 48. Southwest wind 9 to 13 mph.

    Low: 48 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: A chance of showers, mainly after 5pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 59. Southwest wind around 9 mph. Chance of precipitation is 30%.

    High: 59 °F

    Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 43. Northeast wind around 7 mph.

    Low: 43 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 52. Northeast wind 7 to 9 mph.

    High: 52 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Cloudy, with a low around 44. South wind around 7 mph.

    Low: 44 °F

    Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 5pm. Cloudy, with a high near 55. South wind 9 to 15 mph. Chance of precipitation is 60%.

    High: 55 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 38. West wind around 15 mph. Chance of precipitation is 50%.

    Low: 38 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms, mainly after 3am. Patchy fog before 2am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 51. Southwest wind 7 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Patchy fog between 10am and 11am. Otherwise, mostly sunny, with a high near 56. Southwest wind 10 to 14 mph.
Thursday Night
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 48. Southwest wind 9 to 13 mph.
Friday
A chance of showers, mainly after 5pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 59. Southwest wind around 9 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 43. Northeast wind around 7 mph.
Saturday
Mostly cloudy, with a high near 52. Northeast wind 7 to 9 mph.
Saturday Night
Cloudy, with a low around 44. South wind around 7 mph.
Sunday
Showers likely, mainly after 5pm. Cloudy, with a high near 55. South wind 9 to 15 mph. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 38. West wind around 15 mph. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 48. West wind around 15 mph.
Monday Night
Partly cloudy, with a low around 36. Northwest wind 11 to 13 mph.
Tuesday
Sunny, with a high near 49. Northwest wind 10 to 13 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 40. Southwest wind 11 to 14 mph.
Wednesday
Partly sunny, with a high near 54. Southwest wind around 15 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:
6:33 pm EDT Apr 15, 2026
Forecast Valid:
8pm EDT Apr 15, 2026-6pm EDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation