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.

A Few Clouds

61°F

16°C

Humidity 56%
Wind Speed N 16 mph
Barometer 30.17 in (1021.7 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 15 Oct 12:53 pm EDT
Extended Forecast for

4 Miles W Nantucket MA

  • This Afternoon

    This Afternoon: Sunny, with a high near 61. North wind 14 to 16 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 45. Northeast wind 5 to 7 mph becoming southeast after midnight.

    Low: 45 °F

    Increasing
    Clouds

  • Friday

    Friday: Showers. Patchy fog between 4pm and 5pm. High near 69. South wind 14 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 69 °F

    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: Showers likely, mainly before 11pm. Patchy fog between 7pm and midnight. Otherwise, mostly cloudy, with a low around 52. Southwest wind 10 to 16 mph becoming west after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: Showers likely, mainly before 1pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 55. Breezy, with a north wind around 21 mph, with gusts as high as 37 mph. Chance of precipitation is 70%.

    High: 55 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45. Breezy, with a north wind 18 to 22 mph.

    Low: 45 °F

    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: Sunny, with a high near 56. North wind 14 to 16 mph.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51. North wind 11 to 13 mph becoming east after midnight.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 59. East wind 13 to 16 mph.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 61. North wind 14 to 16 mph.
Tonight
Increasing clouds, with a low around 45. Northeast wind 5 to 7 mph becoming southeast after midnight.
Friday
Showers. Patchy fog between 4pm and 5pm. High near 69. South wind 14 to 17 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers likely, mainly before 11pm. Patchy fog between 7pm and midnight. Otherwise, mostly cloudy, with a low around 52. Southwest wind 10 to 16 mph becoming west after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, mainly before 1pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 55. Breezy, with a north wind around 21 mph, with gusts as high as 37 mph. Chance of precipitation is 70%.
Saturday Night
Partly cloudy, with a low around 45. Breezy, with a north wind 18 to 22 mph.
Sunday
Sunny, with a high near 56. North wind 14 to 16 mph.
Sunday Night
Mostly clear, with a low around 51. North wind 11 to 13 mph becoming east after midnight.
Monday
Mostly sunny, with a high near 59. East wind 13 to 16 mph.
Monday Night
Partly cloudy, with a low around 54. Northwest wind 11 to 14 mph.
Tuesday
Mostly sunny, with a high near 60. North wind around 14 mph.
Tuesday Night
Partly cloudy, with a low around 53. North wind 9 to 11 mph.
Wednesday
Sunny, with a high near 58. Northeast wind around 17 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Nantucket MA
 41.29°N 70.17°W (Elev. 3 ft)
Last Update:
11:18 am EDT Oct 15, 2026
Forecast Valid:
1pm EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
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