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

60°F

16°C

Humidity 80%
Wind Speed W 14 mph
Barometer 30.00 in (1015.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 17 May 8:53 am EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Today

    Today: Sunny, with a high near 67. Southwest wind 13 to 16 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Southwest wind 7 to 13 mph becoming north after midnight.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 62. East wind 9 to 11 mph.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 56. Southwest wind 9 to 11 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 69. Breezy, with a southwest wind 15 to 21 mph.

    High: 69 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59. Southwest wind around 16 mph.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 67. Breezy, with a southwest wind 17 to 22 mph.

    High: 67 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers after 9pm. Mostly cloudy, with a low around 55. Southwest wind 11 to 16 mph. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 65. Northeast wind 11 to 14 mph.

    High: 65 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 67. Southwest wind 13 to 16 mph.
Tonight
Partly cloudy, with a low around 55. Southwest wind 7 to 13 mph becoming north after midnight.
Monday
Mostly sunny, with a high near 62. East wind 9 to 11 mph.
Monday Night
Partly cloudy, with a low around 56. Southwest wind 9 to 11 mph.
Tuesday
Sunny, with a high near 69. Breezy, with a southwest wind 15 to 21 mph.
Tuesday Night
Partly cloudy, with a low around 59. Southwest wind around 16 mph.
Wednesday
Sunny, with a high near 67. Breezy, with a southwest wind 17 to 22 mph.
Wednesday Night
A chance of showers after 9pm. Mostly cloudy, with a low around 55. Southwest wind 11 to 16 mph. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 65. Northeast wind 11 to 14 mph.
Thursday Night
Partly cloudy, with a low around 51. Light and variable wind becoming north around 6 mph after midnight.
Friday
Partly sunny, with a high near 61. Northeast wind 9 to 11 mph.
Friday Night
Mostly cloudy, with a low around 51. Southeast wind around 7 mph.
Saturday
A chance of showers. Mostly cloudy, with a high near 62. East wind 8 to 13 mph. Chance of precipitation is 30%.
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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:
3:17 am EDT May 17, 2026
Forecast Valid:
9am EDT May 17, 2026-6pm EDT May 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation