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.

Mostly Cloudy

49°F

9°C

Humidity 90%
Wind Speed W 18 mph
Barometer 29.95 in (1014.3 mb)
Dewpoint 46°F (8°C)
Visibility 7.00 mi
Wind Chill43°F (6°C)
Last update 1 Apr 4:53 am EDT
Extended Forecast for

4 Miles W Nantucket MA

  • Today

    Today: A chance of showers, mainly after noon. Patchy fog before 11am, then patchy fog after noon. Otherwise, mostly cloudy, with a high near 49. Breezy, with a southwest wind 17 to 25 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: Showers. Patchy fog. Low around 39. Northeast wind 9 to 17 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers likely, mainly before noon. Patchy fog. Otherwise, cloudy, with a high near 43. Northeast wind around 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 43 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: Patchy fog before 9pm. Otherwise, cloudy, with a low around 39. East wind 8 to 15 mph.

    Low: 39 °F

    Patchy Fog
    then Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 49. Southwest wind 8 to 16 mph.

    High: 49 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44. Breezy, with a southwest wind 18 to 20 mph.

    Low: 44 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Saturday

    Saturday: Partly sunny, with a high near 50. West wind 10 to 14 mph.

    High: 50 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42. East wind 11 to 15 mph becoming south after midnight.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 11am. Partly sunny, with a high near 53. Breezy, with a south wind 21 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.

    High: 53 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Today
A chance of showers, mainly after noon. Patchy fog before 11am, then patchy fog after noon. Otherwise, mostly cloudy, with a high near 49. Breezy, with a southwest wind 17 to 25 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers. Patchy fog. Low around 39. Northeast wind 9 to 17 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers likely, mainly before noon. Patchy fog. Otherwise, cloudy, with a high near 43. Northeast wind around 18 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Patchy fog before 9pm. Otherwise, cloudy, with a low around 39. East wind 8 to 15 mph.
Friday
Mostly cloudy, with a high near 49. Southwest wind 8 to 16 mph.
Friday Night
Mostly cloudy, with a low around 44. Breezy, with a southwest wind 18 to 20 mph.
Saturday
Partly sunny, with a high near 50. West wind 10 to 14 mph.
Saturday Night
Mostly cloudy, with a low around 42. East wind 11 to 15 mph becoming south after midnight.
Sunday
A chance of showers after 11am. Partly sunny, with a high near 53. Breezy, with a south wind 21 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 40%.
Sunday Night
Showers likely, mainly after 9pm. Mostly cloudy, with a low around 40. Breezy, with a southwest wind 18 to 24 mph. Chance of precipitation is 60%.
Monday
A chance of showers. Mostly sunny, with a high near 47. West wind 11 to 16 mph. Chance of precipitation is 40%.
Monday Night
Mostly clear, with a low around 37. North wind around 10 mph.
Tuesday
Mostly sunny, with a high near 44. North wind around 10 mph becoming southeast in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Nantucket MA
 41.27°N 70.18°W (Elev. 10 ft)
Last Update:
3:44 am EDT Apr 1, 2026
Forecast Valid:
5am EDT Apr 1, 2026-6pm EDT Apr 7, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation