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.

Partly Cloudy

53°F

12°C

Humidity 57%
Wind Speed N 20 G 33 mph
Barometer 29.79 in (1008.9 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 16 Oct 10:53 am EDT
Extended Forecast for

2 Miles ENE Siasconset MA

  • Today

    Today: Mostly cloudy, with a high near 55. Breezy, with a north wind 23 to 25 mph.

    High: 55 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: A chance of showers, mainly between 9pm and 3am. Mostly cloudy, with a low around 49. Windy, with a north wind around 29 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.

    Low: 49 °F

    Chance
    Showers and
    Windy

  • Friday

    Friday: Partly sunny, with a high near 59. Windy, with a north wind 23 to 26 mph.

    High: 59 °F

    Partly Sunny
    and Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 51. Breezy, with a north wind 15 to 20 mph.

    Low: 51 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 59. North wind 11 to 14 mph.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 51. North wind around 6 mph becoming southwest after midnight.

    Low: 51 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 64. South wind 7 to 13 mph.

    High: 64 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 9pm. Mostly cloudy, with a low around 55. South wind around 16 mph. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely. Mostly cloudy, with a high near 63. West wind around 17 mph. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely

Detailed Forecast

Today
Mostly cloudy, with a high near 55. Breezy, with a north wind 23 to 25 mph.
Tonight
A chance of showers, mainly between 9pm and 3am. Mostly cloudy, with a low around 49. Windy, with a north wind around 29 mph, with gusts as high as 39 mph. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 59. Windy, with a north wind 23 to 26 mph.
Friday Night
Partly cloudy, with a low around 51. Breezy, with a north wind 15 to 20 mph.
Saturday
Sunny, with a high near 59. North wind 11 to 14 mph.
Saturday Night
Mostly clear, with a low around 51. North wind around 6 mph becoming southwest after midnight.
Sunday
Mostly sunny, with a high near 64. South wind 7 to 13 mph.
Sunday Night
A chance of showers after 9pm. Mostly cloudy, with a low around 55. South wind around 16 mph. Chance of precipitation is 50%.
Monday
Showers likely. Mostly cloudy, with a high near 63. West wind around 17 mph. Chance of precipitation is 60%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 52. West wind around 15 mph. Chance of precipitation is 50%.
Tuesday
A chance of showers. Partly sunny, with a high near 62. West wind around 15 mph. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 53. West wind around 10 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers. Partly sunny, with a high near 62. Southwest wind 11 to 14 mph. Chance of precipitation is 50%.
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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:
10:56 am EDT Oct 16, 2025
Forecast Valid:
11am EDT Oct 16, 2025-6pm EDT Oct 22, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation