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.

Fair

58°F

14°C

Humidity 93%
Wind Speed E 12 mph
Barometer 30.09 in (1019.1 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 16 Jun 11:53 pm EDT
Extended Forecast for

2 Miles ENE Siasconset MA

  • Overnight

    Overnight: A slight chance of showers after 1am. Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 57. East wind around 11 mph. Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 65. East wind 11 to 14 mph.

    High: 65 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of showers after 10pm. Cloudy, with a low around 58. Southeast wind 7 to 9 mph. Chance of precipitation is 20%.

    Low: 58 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before 1pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 69. Southwest wind 7 to 10 mph. Chance of precipitation is 20%.

    High: 69 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A slight chance of thunderstorms, then a chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 60. Southwest wind around 9 mph. Chance of precipitation is 30%.

    Low: 60 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: A slight chance of showers before 10am. Mostly sunny, with a high near 72. Southwest wind 10 to 15 mph. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 61. Southwest wind around 15 mph.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 71. West wind around 14 mph.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60. West wind 8 to 10 mph.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
A slight chance of showers after 1am. Patchy fog between 1am and 2am. Otherwise, mostly cloudy, with a low around 57. East wind around 11 mph. Chance of precipitation is 20%.
Tuesday
Patchy fog before 7am. Otherwise, mostly cloudy, with a high near 65. East wind 11 to 14 mph.
Tuesday Night
A slight chance of showers after 10pm. Cloudy, with a low around 58. Southeast wind 7 to 9 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of showers before 1pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 69. Southwest wind 7 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of thunderstorms, then a chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 60. Southwest wind around 9 mph. Chance of precipitation is 30%.
Juneteenth
A slight chance of showers before 10am. Mostly sunny, with a high near 72. Southwest wind 10 to 15 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 61. Southwest wind around 15 mph.
Friday
Sunny, with a high near 71. West wind around 14 mph.
Friday Night
Mostly clear, with a low around 60. West wind 8 to 10 mph.
Saturday
Sunny, with a high near 70. West wind around 10 mph becoming southwest in the afternoon.
Saturday Night
Partly cloudy, with a low around 61. Southwest wind around 9 mph.
Sunday
Mostly sunny, with a high near 71. Southwest wind 10 to 13 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 around 11 mph.
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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:
3:26 pm EDT Jun 16, 2025
Forecast Valid:
12am EDT Jun 17, 2025-6pm EDT Jun 23, 2025
 
Forecast Discussion
 
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Additional Resources

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