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

60°F

16°C

Humidity 86%
Wind Speed N 14 mph
Barometer 29.97 in (1014.9 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 15 Oct 2:53 am EDT
Extended Forecast for

Nantucket MA

  • Overnight

    Overnight: Clear, with a low around 55. North wind around 18 mph, with gusts as high as 29 mph.

    Low: 55 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 57. North wind 13 to 18 mph.

    High: 57 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. Northeast wind around 7 mph becoming southeast after midnight.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Showers likely, mainly before 3pm. Patchy fog before noon, then patchy fog after 2pm. Otherwise, increasing clouds, with a high near 69. South wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Showers
    Likely and
    Patchy Fog

  • Friday Night

    Friday Night: Showers likely, mainly after 3am. Patchy fog before 8pm. Otherwise, mostly cloudy, with a low around 48. Southwest wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.

    Low: 48 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Saturday

    Saturday: Showers likely, mainly before noon. Mostly cloudy, with a high near 56. Breezy, with a north wind 18 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.

    High: 56 °F

    Showers
    Likely and
    Breezy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 44. North wind 15 to 17 mph.

    Low: 44 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56. North wind around 14 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 49. North wind 8 to 10 mph becoming east after midnight.

    Low: 49 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 55. North wind around 18 mph, with gusts as high as 29 mph.
Thursday
Sunny, with a high near 57. North wind 13 to 18 mph.
Thursday Night
Partly cloudy, with a low around 49. Northeast wind around 7 mph becoming southeast after midnight.
Friday
Showers likely, mainly before 3pm. Patchy fog before noon, then patchy fog after 2pm. Otherwise, increasing clouds, with a high near 69. South wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers likely, mainly after 3am. Patchy fog before 8pm. Otherwise, mostly cloudy, with a low around 48. Southwest wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Saturday
Showers likely, mainly before noon. Mostly cloudy, with a high near 56. Breezy, with a north wind 18 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 60%.
Saturday Night
Mostly clear, with a low around 44. North wind 15 to 17 mph.
Sunday
Sunny, with a high near 56. North wind around 14 mph.
Sunday Night
Mostly clear, with a low around 49. North wind 8 to 10 mph becoming east after midnight.
Monday
Mostly sunny, with a high near 59. East wind 10 to 14 mph.
Monday Night
Partly cloudy, with a low around 52. Northwest wind 9 to 11 mph.
Tuesday
Mostly sunny, with a high near 60. North wind 10 to 13 mph.
Tuesday Night
Partly cloudy, with a low around 51. North wind 7 to 9 mph.
Wednesday
Sunny, with a high near 58. Northeast wind 14 to 16 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
Last Update:
2:30 am EDT Oct 15, 2026
Forecast Valid:
3am EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
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Additional Resources

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Chance of Precipitation