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.

Fog

63°F

17°C

Humidity 97%
Wind Speed SW 12 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint 62°F (17°C)
Visibility 0.50 mi
Last update 19 Jun 9:53 am EDT
Extended Forecast for

2 Miles S Siasconset MA

  • Juneteenth

    Juneteenth: Areas of fog before noon. Otherwise, mostly cloudy, with a high near 78. Southwest wind 10 to 14 mph.

    High: 78 °F

    Areas Fog
    then Mostly
    Cloudy

  • Tonight

    Tonight: Areas of fog before 9pm. Otherwise, mostly cloudy, with a low around 60. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 60 °F

    Areas Fog
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 72. Breezy, with a west wind 15 to 20 mph, with gusts as high as 33 mph.

    High: 72 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 59. West wind 8 to 18 mph.

    Low: 59 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 73. Southwest wind 7 to 10 mph.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 61. Southwest wind around 8 mph.

    Low: 61 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 71. Southwest wind 10 to 14 mph.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61. Southwest wind 8 to 10 mph.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 72. South wind 8 to 10 mph.

    High: 72 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
Areas of fog before noon. Otherwise, mostly cloudy, with a high near 78. Southwest wind 10 to 14 mph.
Tonight
Areas of fog before 9pm. Otherwise, mostly cloudy, with a low around 60. Southwest wind around 15 mph, with gusts as high as 25 mph.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 72. Breezy, with a west wind 15 to 20 mph, with gusts as high as 33 mph.
Friday Night
Mostly clear, with a low around 59. West wind 8 to 18 mph.
Saturday
Sunny, with a high near 73. Southwest wind 7 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 61. Southwest wind around 8 mph.
Sunday
Partly sunny, with a high near 71. Southwest wind 10 to 14 mph.
Sunday Night
Partly cloudy, with a low around 61. Southwest wind 8 to 10 mph.
Monday
Mostly sunny, with a high near 72. South wind 8 to 10 mph.
Monday Night
Mostly clear, with a low around 63. Southwest wind around 9 mph.
Tuesday
Sunny, with a high near 75. Southwest wind 10 to 13 mph.
Tuesday Night
Mostly clear, with a low around 64. West wind around 10 mph.
Wednesday
Mostly sunny, with a high near 73. Northwest wind around 11 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Siasconset MA
 41.24°N 70.01°W (Elev. 0 ft)
Last Update:
7:14 am EDT Jun 19, 2025
Forecast Valid:
10am EDT Jun 19, 2025-6pm EDT Jun 25, 2025
 
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