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.

Fair

64°F

18°C

Humidity 75%
Wind Speed N 7 mph
Barometer 30.08 in (1018.5 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 18 Sep 10:53 pm EDT
Extended Forecast for

5 Miles W Nantucket MA

  • Tonight

    Tonight: Partly cloudy, with a low around 55. Breezy, with a north wind 17 to 23 mph.

    Low: 55 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Mostly sunny, with a high near 65. Breezy, with a northeast wind 13 to 20 mph.

    High: 65 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45. East wind around 9 mph.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, mainly after 3pm. Mostly cloudy, with a high near 67. Southeast wind around 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly after 8pm. Low around 62. Southeast wind around 15 mph. Chance of precipitation is 90%.

    Low: 62 °F

    Showers

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 66. Breezy, with a northeast wind 22 to 24 mph. Chance of precipitation is 50%.

    High: 66 °F

    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 59. Breezy, with a northeast wind 21 to 23 mph.

    Low: 59 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 64. Windy, with a northeast wind 24 to 26 mph.

    High: 64 °F

    Mostly Cloudy
    and Windy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 58. Windy, with a northeast wind 28 to 30 mph.

    Low: 58 °F

    Mostly Cloudy
    and Windy

Detailed Forecast

Tonight
Partly cloudy, with a low around 55. Breezy, with a north wind 17 to 23 mph.
Saturday
Mostly sunny, with a high near 65. Breezy, with a northeast wind 13 to 20 mph.
Saturday Night
Partly cloudy, with a low around 45. East wind around 9 mph.
Sunday
A chance of showers, mainly after 3pm. Mostly cloudy, with a high near 67. Southeast wind around 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers, mainly after 8pm. Low around 62. Southeast wind around 15 mph. Chance of precipitation is 90%.
Monday
A chance of showers. Mostly cloudy, with a high near 66. Breezy, with a northeast wind 22 to 24 mph. Chance of precipitation is 50%.
Monday Night
Mostly cloudy, with a low around 59. Breezy, with a northeast wind 21 to 23 mph.
Tuesday
Mostly cloudy, with a high near 64. Windy, with a northeast wind 24 to 26 mph.
Tuesday Night
Mostly cloudy, with a low around 58. Windy, with a northeast wind 28 to 30 mph.
Wednesday
Partly sunny, with a high near 63. Windy, with a northeast wind 29 to 31 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 58. Windy, with a northeast wind 32 to 36 mph. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly cloudy, with a high near 63. Windy, with a northeast wind 28 to 34 mph, with gusts as high as 44 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 59. Windy, with a northeast wind 30 to 33 mph. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 64. Windy, with a north wind 25 to 29 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Nantucket MA
 41.27°N 70.21°W (Elev. 0 ft)
Last Update:
2:31 pm EDT Sep 18, 2026
Forecast Valid:
11pm EDT Sep 18, 2026-6pm EDT Sep 25, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation