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.

Fog/Mist

58°F

14°C

Humidity 100%
Wind Speed S 15 mph
Barometer NA
Dewpoint 58°F (14°C)
Visibility 3.00 mi
Last update 9 Nov 9:53 pm EST
Extended Forecast for

6 Miles N Siasconset MA

  • Tonight

    Tonight: A chance of rain and thunderstorms. Patchy dense fog. Otherwise, cloudy, with a low around 55. South wind 13 to 18 mph. Chance of precipitation is 30%.

    Low: 55 °F

    Chance Rain
    and Patchy
    Dense Fog

  • Monday

    Monday: Rain and thunderstorms. Patchy fog. High near 58. South wind around 14 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Rain and
    Patchy Fog

  • Monday Night

    Monday Night: A chance of rain, mainly before midnight. Patchy fog before 8pm. Otherwise, mostly cloudy, with a low around 39. Breezy, with a west wind 15 to 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance Rain
    and Patchy
    Fog

  • Veterans Day

    Veterans Day: A slight chance of rain between 11am and 4pm. Partly sunny, with a high near 45. Windy, with a west wind 21 to 28 mph. Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Rain and
    Windy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42. Windy, with a west wind 26 to 32 mph.

    Low: 42 °F

    Partly Cloudy
    and Windy

  • Wednesday

    Wednesday: A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 52. Windy, with a southwest wind 26 to 29 mph. Chance of precipitation is 30%.

    High: 52 °F

    Chance Rain
    and Windy

  • Wednesday Night

    Wednesday Night: A chance of rain before 8pm. Mostly cloudy, with a low around 46. Breezy, with a west wind 22 to 25 mph. Chance of precipitation is 30%.

    Low: 46 °F

    Breezy.
    Chance Rain
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 50. Breezy, with a west wind around 22 mph.

    High: 50 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. Breezy, with a northwest wind 22 to 24 mph.

    Low: 43 °F

    Partly Cloudy
    and Breezy

Detailed Forecast

Tonight
A chance of rain and thunderstorms. Patchy dense fog. Otherwise, cloudy, with a low around 55. South wind 13 to 18 mph. Chance of precipitation is 30%.
Monday
Rain and thunderstorms. Patchy fog. High near 58. South wind around 14 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of rain, mainly before midnight. Patchy fog before 8pm. Otherwise, mostly cloudy, with a low around 39. Breezy, with a west wind 15 to 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Veterans Day
A slight chance of rain between 11am and 4pm. Partly sunny, with a high near 45. Windy, with a west wind 21 to 28 mph. Chance of precipitation is 20%.
Tuesday Night
Partly cloudy, with a low around 42. Windy, with a west wind 26 to 32 mph.
Wednesday
A chance of rain, mainly after 1pm. Mostly cloudy, with a high near 52. Windy, with a southwest wind 26 to 29 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of rain before 8pm. Mostly cloudy, with a low around 46. Breezy, with a west wind 22 to 25 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 50. Breezy, with a west wind around 22 mph.
Thursday Night
Partly cloudy, with a low around 43. Breezy, with a northwest wind 22 to 24 mph.
Friday
Mostly sunny, with a high near 48. Breezy, with a northwest wind 18 to 21 mph.
Friday Night
A chance of rain. Partly cloudy, with a low around 41. Breezy, with a northwest wind 18 to 20 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 45. Northwest wind 16 to 18 mph.
Saturday Night
Mostly cloudy, with a low around 41. Northwest wind around 15 mph.
Sunday
A chance of rain. Partly sunny, with a high near 50. Northwest wind around 16 mph. Chance of precipitation is 30%.
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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:
3:55 pm EST Nov 9, 2025
Forecast Valid:
10pm EST Nov 9, 2025-6pm EST Nov 16, 2025
 
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Additional Resources

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