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 and Breezy

65°F

18°C

Humidity 68%
Wind Speed W 21 G 36 mph
Barometer 29.62 in (1003.1 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 20 Jun 6:53 am EDT
Extended Forecast for

3 Miles SW Nantucket MA

  • Today

    Today: Sunny, with a high near 77. Breezy, with a west wind 18 to 21 mph, with gusts as high as 32 mph.

    High: 77 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 64. West wind 6 to 14 mph.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 77. Southwest wind 7 to 13 mph.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. West wind 6 to 9 mph.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers, mainly after 1pm. Partly sunny, with a high near 79. Light and variable wind becoming south 6 to 11 mph in the morning. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 65. Breezy, with a south wind 17 to 20 mph. Chance of precipitation is 100%.

    Low: 65 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: A chance of showers before 2pm. Partly sunny, with a high near 79. Southwest wind 11 to 14 mph becoming west in the afternoon. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 65. West wind around 7 mph.

    Low: 65 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 76. Northwest wind around 7 mph becoming southwest in the afternoon.

    High: 76 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 77. Breezy, with a west wind 18 to 21 mph, with gusts as high as 32 mph.
Tonight
Mostly clear, with a low around 64. West wind 6 to 14 mph.
Sunday
Sunny, with a high near 77. Southwest wind 7 to 13 mph.
Sunday Night
Mostly clear, with a low around 65. West wind 6 to 9 mph.
Monday
A chance of showers, mainly after 1pm. Partly sunny, with a high near 79. Light and variable wind becoming south 6 to 11 mph in the morning. Chance of precipitation is 40%.
Monday Night
Showers and possibly a thunderstorm. Low around 65. Breezy, with a south wind 17 to 20 mph. Chance of precipitation is 100%.
Tuesday
A chance of showers before 2pm. Partly sunny, with a high near 79. Southwest wind 11 to 14 mph becoming west in the afternoon. Chance of precipitation is 50%.
Tuesday Night
Partly cloudy, with a low around 65. West wind around 7 mph.
Wednesday
Sunny, with a high near 76. Northwest wind around 7 mph becoming southwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 65. Southwest wind around 6 mph.
Thursday
Sunny, with a high near 74. South wind 6 to 10 mph.
Thursday Night
Partly cloudy, with a low around 65. Southeast wind 6 to 8 mph.
Friday
Partly sunny, with a high near 75. Southeast wind 7 to 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Nantucket MA
 41.26°N 70.15°W (Elev. 3 ft)
Last Update:
4:30 am EDT Jun 20, 2026
Forecast Valid:
7am EDT Jun 20, 2026-6pm EDT Jun 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation