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.

Light Rain Fog/Mist

41°F

5°C

Humidity 100%
Wind Speed S 6 mph
Barometer 30.02 in (1016.6 mb)
Dewpoint 41°F (5°C)
Visibility 2.50 mi
Wind Chill37°F (3°C)
Last update 11 Mar 3:53 am EDT
Extended Forecast for

5 Miles W Nantucket MA

  • Today

    Today: Patchy fog after 10am. Otherwise, mostly cloudy, with a high near 45. South wind 6 to 13 mph.

    High: 45 °F

    Patchy Fog

  • Tonight

    Tonight: A chance of rain between 9pm and 11pm, then a chance of rain and thunderstorms after 11pm. Cloudy, with a low around 45. Windy, with a south wind 20 to 28 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 Windy

  • Thursday

    Thursday: Rain, mainly after 10am. Temperature falling to around 38 by 5pm. Windy, with a south wind 18 to 28 mph becoming west in the afternoon. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F⇓

    Rain and
    Windy

  • Thursday Night

    Thursday Night: Snow likely, mainly before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 33. Breezy, with a west wind 18 to 23 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 33 °F

    Breezy. Snow
    Likely then
    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 42. West wind 13 to 16 mph becoming southwest in the afternoon.

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain, mainly after midnight. Mostly cloudy, with a low around 38. Windy, with a south wind 20 to 28 mph. Chance of precipitation is 30%.

    Low: 38 °F

    Chance Rain
    and Windy

  • Saturday

    Saturday: Sunny, with a high near 42. Windy, with a west wind around 26 mph.

    High: 42 °F

    Sunny and
    Windy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33. Breezy, with a west wind 15 to 22 mph.

    Low: 33 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 43. North wind 9 to 11 mph becoming southeast in the afternoon.

    High: 43 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy fog after 10am. Otherwise, mostly cloudy, with a high near 45. South wind 6 to 13 mph.
Tonight
A chance of rain between 9pm and 11pm, then a chance of rain and thunderstorms after 11pm. Cloudy, with a low around 45. Windy, with a south wind 20 to 28 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. Temperature falling to around 38 by 5pm. Windy, with a south wind 18 to 28 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 33. Breezy, with a west wind 18 to 23 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday
Mostly sunny, with a high near 42. West wind 13 to 16 mph becoming southwest in the afternoon.
Friday Night
A chance of rain, mainly after midnight. Mostly cloudy, with a low around 38. Windy, with a south wind 20 to 28 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 42. Windy, with a west wind around 26 mph.
Saturday Night
Partly cloudy, with a low around 33. Breezy, with a west wind 15 to 22 mph.
Sunday
Mostly cloudy, with a high near 43. North wind 9 to 11 mph becoming southeast in the afternoon.
Sunday Night
Rain likely, mainly after 5am. Cloudy, with a low around 39. Windy, with a southeast wind 21 to 26 mph increasing to 27 to 32 mph after midnight. Chance of precipitation is 60%.
Monday
Rain. High near 50. Windy, with a south wind 33 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 33. Windy, with a west wind 30 to 34 mph. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 38. Windy, with a west wind 18 to 26 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Nantucket MA
 41.27°N 70.21°W (Elev. 0 ft)
Last Update:
2:50 am EDT Mar 11, 2026
Forecast Valid:
4am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
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