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.

Overcast

57°F

14°C

Humidity 90%
Wind Speed N 9 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 54°F (12°C)
Visibility 9.00 mi
Last update 15 Oct 8:53 am EDT
Extended Forecast for

2 Miles WSW Nantucket MA

  • Today

    Today: A slight chance of showers after 3pm. Partly sunny, with a high near 63. North wind 9 to 16 mph. Chance of precipitation is 20%.

    High: 63 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers before 11pm. Mostly cloudy, with a low around 45. Breezy, with a north wind 18 to 21 mph. Chance of precipitation is 20%.

    Low: 45 °F

    Breezy.
    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, mainly after 9am. Partly sunny, with a high near 56. Breezy, with a north wind 18 to 20 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: Showers likely. Mostly cloudy, with a low around 48. Breezy, with a north wind 22 to 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: Showers likely, mainly before 9am. Partly sunny, with a high near 60. Breezy, with a north wind around 22 mph. Chance of precipitation is 60%.

    High: 60 °F

    Showers
    Likely and
    Breezy

  • Friday Night

    Friday Night: A slight chance of showers before 10pm. Mostly clear, with a low around 50. North wind around 15 mph. Chance of precipitation is 20%.

    Low: 50 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 61. North wind 11 to 13 mph.

    High: 61 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 50. North wind around 6 mph becoming southwest after midnight.

    Low: 50 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 64. South wind 7 to 11 mph.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers after 3pm. Partly sunny, with a high near 63. North wind 9 to 16 mph. Chance of precipitation is 20%.
Tonight
A slight chance of showers before 11pm. Mostly cloudy, with a low around 45. Breezy, with a north wind 18 to 21 mph. Chance of precipitation is 20%.
Thursday
A chance of showers, mainly after 9am. Partly sunny, with a high near 56. Breezy, with a north wind 18 to 20 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Showers likely. Mostly cloudy, with a low around 48. Breezy, with a north wind 22 to 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers likely, mainly before 9am. Partly sunny, with a high near 60. Breezy, with a north wind around 22 mph. Chance of precipitation is 60%.
Friday Night
A slight chance of showers before 10pm. Mostly clear, with a low around 50. North wind around 15 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 61. North wind 11 to 13 mph.
Saturday Night
Mostly clear, with a low around 50. North wind around 6 mph becoming southwest after midnight.
Sunday
Mostly sunny, with a high near 64. South wind 7 to 11 mph.
Sunday Night
A chance of rain after 1am. Mostly cloudy, with a low around 54. South wind 10 to 13 mph. Chance of precipitation is 30%.
Monday
Rain likely. Mostly cloudy, with a high near 64. South wind around 16 mph. Chance of precipitation is 60%.
Monday Night
Rain likely. Mostly cloudy, with a low around 53. South wind around 14 mph becoming north after midnight. Chance of precipitation is 60%.
Tuesday
A chance of rain. Partly sunny, with a high near 63. West wind around 15 mph. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Nantucket MA
 41.26°N 70.15°W (Elev. 3 ft)
Last Update:
6:20 am EDT Oct 15, 2025
Forecast Valid:
9am EDT Oct 15, 2025-6pm EDT Oct 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation