Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Fair

72°F

22°C

Humidity 71%
Wind Speed NA
Barometer 30.17 in (1021.5 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 16 Aug 9:53 am EDT
Extended Forecast for

6 Miles N Siasconset MA

  • Today

    Today: Sunny, with a high near 76. South wind 6 to 10 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 63. South wind 8 to 11 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Monday

    Monday: Showers likely, with thunderstorms also possible after 2pm.  Patchy fog after noon.  Otherwise, cloudy, with a high near 74. Southeast wind 15 to 17 mph, with gusts as high as 28 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 74 °F

    Showers
    Likely and
    Patchy Fog

  • Monday Night

    Monday Night: A chance of showers, mainly before 1am.  Patchy fog before 9pm.  Otherwise, mostly cloudy, with a low around 72. Southwest wind 8 to 14 mph becoming northeast in the evening.  Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 72 °F

    Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Partly sunny, with a high near 73. North wind 14 to 16 mph.

    High: 73 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 71. North wind around 7 mph becoming west after midnight.

    Low: 71 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 75. Southwest wind 6 to 11 mph.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73. Southwest wind 10 to 13 mph.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers after 10am.  Partly sunny, with a high near 76. Southwest wind around 11 mph becoming northeast in the afternoon.  Chance of precipitation is 40%.

    High: 76 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 76. South wind 6 to 10 mph.
Tonight
Increasing clouds, with a low around 63. South wind 8 to 11 mph.
Monday
Showers likely, with thunderstorms also possible after 2pm. Patchy fog after noon. Otherwise, cloudy, with a high near 74. Southeast wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers, mainly before 1am. Patchy fog before 9pm. Otherwise, mostly cloudy, with a low around 72. Southwest wind 8 to 14 mph becoming northeast in the evening. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Partly sunny, with a high near 73. North wind 14 to 16 mph.
Tuesday Night
Partly cloudy, with a low around 71. North wind around 7 mph becoming west after midnight.
Wednesday
Sunny, with a high near 75. Southwest wind 6 to 11 mph.
Wednesday Night
Mostly clear, with a low around 73. Southwest wind 10 to 13 mph.
Thursday
A chance of showers after 10am. Partly sunny, with a high near 76. Southwest wind around 11 mph becoming northeast in the afternoon. Chance of precipitation is 40%.
Thursday Night
A chance of showers before 2am. Mostly cloudy, with a low around 69. West wind 8 to 10 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 73. Northeast wind 11 to 13 mph.
Friday Night
Partly cloudy, with a low around 69. East wind 7 to 9 mph.
Saturday
A chance of showers. Partly sunny, with a high near 74. East wind 10 to 13 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Siasconset MA
 41.35°N 70.01°W (Elev. 0 ft)
6:19 am EDT Aug 16, 2026
10am EDT Aug 16, 2026-6pm EDT Aug 22, 2026
 
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Additional Resources

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