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

55°F

13°C

Humidity 64%
Wind Speed S 14 mph
Barometer 30.11 in (1019.6 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 16 Oct 3:53 am EDT
Extended Forecast for

Nantucket MA

  • Today

    Today: Showers, mainly after noon. Patchy fog after noon. High near 69. Breezy, with a south wind 11 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 69 °F

    Chance
    Showers then
    Showers and
    Patchy Fog

  • Tonight

    Tonight: A chance of showers after 1am. Patchy fog before 2am. Otherwise, cloudy, with a low around 48. Southwest wind 13 to 17 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 48 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: Showers likely, mainly before noon. Patchy fog between 8am and 9am. Otherwise, mostly cloudy, with a high near 54. Breezy, with a north wind around 21 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 54 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 41. Breezy, with a north wind 16 to 20 mph.

    Low: 41 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 55. Northeast wind 11 to 14 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. East wind around 9 mph.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers after 11am. Mostly sunny, with a high near 58. East wind 14 to 16 mph. Chance of precipitation is 30%.

    High: 58 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 52. Northeast wind 14 to 17 mph. Chance of precipitation is 40%.

    Low: 52 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers before 9am. Partly sunny, with a high near 59. Northeast wind around 18 mph. Chance of precipitation is 30%.

    High: 59 °F

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

Today
Showers, mainly after noon. Patchy fog after noon. High near 69. Breezy, with a south wind 11 to 20 mph, with gusts as high as 34 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A chance of showers after 1am. Patchy fog before 2am. Otherwise, cloudy, with a low around 48. Southwest wind 13 to 17 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, mainly before noon. Patchy fog between 8am and 9am. Otherwise, mostly cloudy, with a high near 54. Breezy, with a north wind around 21 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Partly cloudy, with a low around 41. Breezy, with a north wind 16 to 20 mph.
Sunday
Sunny, with a high near 55. Northeast wind 11 to 14 mph.
Sunday Night
Mostly clear, with a low around 48. East wind around 9 mph.
Monday
A chance of showers after 11am. Mostly sunny, with a high near 58. East wind 14 to 16 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 52. Northeast wind 14 to 17 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers before 9am. Partly sunny, with a high near 59. Northeast wind around 18 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 52. Northeast wind around 17 mph.
Wednesday
Mostly sunny, with a high near 58. Breezy, with a northeast wind around 22 mph.
Wednesday Night
Partly cloudy, with a low around 50. Breezy, with a northeast wind around 21 mph.
Thursday
Mostly sunny, with a high near 57. Breezy, with a northeast wind 17 to 22 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:
2:29 am EDT Oct 16, 2026
Forecast Valid:
4am EDT Oct 16, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation