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.

Partly Cloudy

56°F

13°C

Humidity 55%
Wind Speed NE 17 G 28 mph
Barometer 30.27 in (1025.1 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 1 Oct 11:53 pm EDT
Extended Forecast for

2 Miles ENE Siasconset MA

  • Overnight

    Overnight: Partly cloudy, with a low around 56. Breezy, with a northeast wind around 23 mph.

    Low: 56 °F

    Partly Cloudy
    and Breezy

  • Thursday

    Thursday: Mostly sunny, with a high near 61. Breezy, with a northeast wind 14 to 20 mph.

    High: 61 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 54. Northeast wind 5 to 9 mph becoming calm after midnight.

    Low: 54 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 67. Light west wind becoming southwest 5 to 10 mph in the morning.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58. Southwest wind around 10 mph.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 69. West wind around 10 mph.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60. Southwest wind around 7 mph.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69. Southwest wind 6 to 9 mph.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. Southwest wind around 7 mph.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 56. Breezy, with a northeast wind around 23 mph.
Thursday
Mostly sunny, with a high near 61. Breezy, with a northeast wind 14 to 20 mph.
Thursday Night
Mostly clear, with a low around 54. Northeast wind 5 to 9 mph becoming calm after midnight.
Friday
Sunny, with a high near 67. Light west wind becoming southwest 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 58. Southwest wind around 10 mph.
Saturday
Sunny, with a high near 69. West wind around 10 mph.
Saturday Night
Mostly clear, with a low around 60. Southwest wind around 7 mph.
Sunday
Sunny, with a high near 69. Southwest wind 6 to 9 mph.
Sunday Night
Mostly clear, with a low around 60. Southwest wind around 7 mph.
Monday
Sunny, with a high near 70. Southwest wind 8 to 11 mph.
Monday Night
Mostly clear, with a low around 61. Southwest wind around 10 mph.
Tuesday
Mostly sunny, with a high near 70. Southwest wind 10 to 13 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 60. Southwest wind around 11 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 69. Southwest wind 13 to 15 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Siasconset MA
 41.28°N 69.97°W (Elev. 56 ft)
Last Update:
10:45 pm EDT Oct 1, 2025
Forecast Valid:
12am EDT Oct 2, 2025-6pm EDT Oct 8, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation