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

56°F

13°C

Humidity 75%
Wind Speed NE 5 mph
Barometer 30.21 in (1022.8 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 19 Sep 6:53 pm EDT
Extended Forecast for

Nantucket MA

  • Tonight

    Tonight: Partly cloudy, with a low around 52. East wind 6 to 9 mph.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 4pm. Increasing clouds, with a high near 67. Southeast wind 9 to 13 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Partly Sunny
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Showers before 11pm, then showers and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Patchy fog. Low around 62. East wind 8 to 11 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 62 °F

    Showers and
    Patchy Fog

  • Monday

    Monday: Showers likely, mainly before 9am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 66. Northeast wind around 17 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 66 °F

    Showers
    Likely and
    Patchy Fog
    then Mostly
    Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 56. Northeast wind 11 to 13 mph.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers after 11am. Mostly cloudy, with a high near 64. Northeast wind around 17 mph. Chance of precipitation is 20%.

    High: 64 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55. Northeast wind 16 to 18 mph.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 64. Breezy, with a northeast wind 21 to 23 mph.

    High: 64 °F

    Partly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55. Breezy, with a northeast wind around 22 mph.

    Low: 55 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

Tonight
Partly cloudy, with a low around 52. East wind 6 to 9 mph.
Sunday
Showers likely, mainly after 4pm. Increasing clouds, with a high near 67. Southeast wind 9 to 13 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers before 11pm, then showers and possibly a thunderstorm between 11pm and 2am, then showers after 2am. Patchy fog. Low around 62. East wind 8 to 11 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers likely, mainly before 9am. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 66. Northeast wind around 17 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Mostly cloudy, with a low around 56. Northeast wind 11 to 13 mph.
Tuesday
A slight chance of showers after 11am. Mostly cloudy, with a high near 64. Northeast wind around 17 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 55. Northeast wind 16 to 18 mph.
Wednesday
Partly sunny, with a high near 64. Breezy, with a northeast wind 21 to 23 mph.
Wednesday Night
Mostly cloudy, with a low around 55. Breezy, with a northeast wind around 22 mph.
Thursday
A chance of showers after 9am. Partly sunny, with a high near 64. Breezy, with a northeast wind around 25 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 56. Windy, with a northeast wind 25 to 28 mph. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly cloudy, with a high near 65. Windy, with a northeast wind 23 to 28 mph. Chance of precipitation is 50%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 56. Windy, with a northeast wind 24 to 26 mph. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly cloudy, with a high near 66. Breezy, with a north wind 21 to 24 mph. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.09°W (Elev. 3 ft)
Last Update:
2:33 pm EDT Sep 19, 2026
Forecast Valid:
7pm EDT Sep 19, 2026-6pm EDT Sep 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation