National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Fair

69°F

21°C

Humidity 90%
Wind Speed NW 8 mph
Barometer 29.76 in (1007.8 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 5 Sep 2:53 am EDT
Extended Forecast for

6 Miles N Siasconset MA

  • Overnight

    Overnight: Mostly clear, with a low around 67. Northwest wind around 11 mph.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69. North wind around 16 mph.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. North wind 14 to 17 mph.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 68. Breezy, with a north wind 16 to 20 mph.

    High: 68 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53. North wind 6 to 14 mph becoming west in the evening.

    Low: 53 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 70. Northwest wind 6 to 15 mph.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. Southwest wind around 11 mph.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 70. West wind around 10 mph.

    High: 70 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 67. Southwest wind around 9 mph.

    Low: 67 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 67. Northwest wind around 11 mph.
Saturday
Sunny, with a high near 69. North wind around 16 mph.
Saturday Night
Partly cloudy, with a low around 64. North wind 14 to 17 mph.
Sunday
Sunny, with a high near 68. Breezy, with a north wind 16 to 20 mph.
Sunday Night
Mostly clear, with a low around 53. North wind 6 to 14 mph becoming west in the evening.
Labor Day
Sunny, with a high near 70. Northwest wind 6 to 15 mph.
Monday Night
Mostly clear, with a low around 67. Southwest wind around 11 mph.
Tuesday
Sunny, with a high near 70. West wind around 10 mph.
Tuesday Night
Mostly cloudy, with a low around 67. Southwest wind around 9 mph.
Wednesday
Partly sunny, with a high near 72. South wind 9 to 16 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 69. Windy, with a southwest wind 20 to 28 mph. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly sunny, with a high near 74. Breezy, with a west wind 21 to 25 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 66. West wind around 18 mph.
Friday
Mostly sunny, with a high near 69. North wind 11 to 16 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Siasconset MA
 41.35°N 70.01°W (Elev. 0 ft)
Last Update:
2:13 am EDT Sep 5, 2026
Forecast Valid:
3am EDT Sep 5, 2026-6pm EDT Sep 11, 2026
 
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Additional Resources

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Chance of Precipitation