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

52°F

11°C

Humidity 80%
Wind Speed S 10 mph
Barometer 30.04 in (1017.3 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill49°F (9°C)
Last update 11 Mar 10:53 am EDT
Extended Forecast for

5 Miles W Nantucket MA

  • Today

    Today: Patchy fog. Otherwise, mostly cloudy, with a high near 45. South wind 8 to 11 mph.

    High: 45 °F

    Patchy Fog

  • Tonight

    Tonight: A chance of rain, with thunderstorms also possible after 11pm. Patchy dense fog. Otherwise, cloudy, with a low around 45. Breezy, with a south wind 18 to 24 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Chance Rain
    and Patchy
    Dense Fog

  • Thursday

    Thursday: Rain, mainly after 10am. Patchy fog before 2pm. Temperature falling to around 38 by 5pm. Breezy, with a southwest wind 17 to 23 mph becoming west in the afternoon. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F⇓

    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: Snow likely, mainly before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 32. Breezy, with a west wind 16 to 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 32 °F

    Snow Likely
    then Mostly
    Clear and
    Breezy

  • Friday

    Friday: Mostly sunny, with a high near 44. West wind 11 to 15 mph becoming southwest in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 37. Breezy, with a south wind 17 to 24 mph. Chance of precipitation is 30%.

    Low: 37 °F

    Chance Rain
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 43. Breezy, with a west wind around 24 mph.

    High: 43 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32. Breezy, with a west wind 15 to 23 mph.

    Low: 32 °F

    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: Mostly cloudy, with a high near 44. North wind 9 to 13 mph becoming southeast in the afternoon.

    High: 44 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy fog. Otherwise, mostly cloudy, with a high near 45. South wind 8 to 11 mph.
Tonight
A chance of rain, with thunderstorms also possible after 11pm. Patchy dense fog. Otherwise, cloudy, with a low around 45. Breezy, with a south wind 18 to 24 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain, mainly after 10am. Patchy fog before 2pm. Temperature falling to around 38 by 5pm. Breezy, with a southwest wind 17 to 23 mph becoming west in the afternoon. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Snow likely, mainly before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 32. Breezy, with a west wind 16 to 20 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday
Mostly sunny, with a high near 44. West wind 11 to 15 mph becoming southwest in the afternoon.
Friday Night
A chance of rain. Mostly cloudy, with a low around 37. Breezy, with a south wind 17 to 24 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 43. Breezy, with a west wind around 24 mph.
Saturday Night
Partly cloudy, with a low around 32. Breezy, with a west wind 15 to 23 mph.
Sunday
Mostly cloudy, with a high near 44. North wind 9 to 13 mph becoming southeast in the afternoon.
Sunday Night
Rain likely, mainly after 5am. Cloudy, with a low around 38. Windy, with a southeast wind 22 to 27 mph increasing to 28 to 33 mph after midnight. Chance of precipitation is 60%.
Monday
Rain. High near 52. Windy, with a south wind 34 to 36 mph, with gusts as high as 46 mph. Chance of precipitation is 90%.
Monday Night
A chance of rain. Mostly cloudy, with a low around 32. Windy, with a west wind 31 to 34 mph. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 40. Windy, with a west wind 21 to 26 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Nantucket MA
 41.29°N 70.2°W (Elev. 0 ft)
Last Update:
7:06 am EDT Mar 11, 2026
Forecast Valid:
11am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
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