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

50°F

10°C

Humidity 86%
Wind Speed S 17 mph
Barometer 29.88 in (1011.6 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 11 Mar 5:53 pm EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Tonight

    Tonight: A slight chance of showers after 2am. Patchy dense fog. Otherwise, cloudy, with a low around 41. South wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.

    Low: 41 °F

    Patchy Fog
    then Slight
    Chance
    Showers and
    Patchy Dense
    Fog

  • Thursday

    Thursday: A chance of showers, mainly after 9am. Patchy fog between noon and 1pm. Otherwise, cloudy, with a high near 48. Breezy, with a southwest wind 17 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of rain showers before 10pm, then a slight chance of snow showers between 10pm and midnight. Cloudy during the early evening, then gradual clearing, with a low around 29. Northwest wind 15 to 17 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Friday

    Friday: Increasing clouds, with a high near 42. Northwest wind 9 to 14 mph becoming southwest in the afternoon.

    High: 42 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36. South wind 14 to 18 mph, with gusts as high as 29 mph.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 44. Breezy, with a west wind 17 to 22 mph, with gusts as high as 33 mph.

    High: 44 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. West wind 11 to 16 mph.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 43. North wind around 8 mph becoming southeast in the afternoon.

    High: 43 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of rain after 2am. Cloudy, with a low around 35. Breezy, with a southeast wind 14 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

    Low: 35 °F

    Mostly Cloudy
    then Chance
    Rain and
    Breezy

Detailed Forecast

Tonight
A slight chance of showers after 2am. Patchy dense fog. Otherwise, cloudy, with a low around 41. South wind 14 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 20%.
Thursday
A chance of showers, mainly after 9am. Patchy fog between noon and 1pm. Otherwise, cloudy, with a high near 48. Breezy, with a southwest wind 17 to 20 mph becoming northwest in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A chance of rain showers before 10pm, then a slight chance of snow showers between 10pm and midnight. Cloudy during the early evening, then gradual clearing, with a low around 29. Northwest wind 15 to 17 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday
Increasing clouds, with a high near 42. Northwest wind 9 to 14 mph becoming southwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 36. South wind 14 to 18 mph, with gusts as high as 29 mph.
Saturday
Sunny, with a high near 44. Breezy, with a west wind 17 to 22 mph, with gusts as high as 33 mph.
Saturday Night
Partly cloudy, with a low around 30. West wind 11 to 16 mph.
Sunday
Mostly cloudy, with a high near 43. North wind around 8 mph becoming southeast in the afternoon.
Sunday Night
A chance of rain after 2am. Cloudy, with a low around 35. Breezy, with a southeast wind 14 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Monday
Rain, mainly after 7am. High near 51. Windy, with a south wind 24 to 29 mph, with gusts as high as 50 mph. Chance of precipitation is 90%.
Monday Night
Rain likely. Cloudy, with a low around 33. Breezy, with a south wind 18 to 25 mph becoming west after midnight. Winds could gust as high as 46 mph. Chance of precipitation is 70%.
Tuesday
A chance of rain. Mostly cloudy, with a high near 40. West wind 16 to 18 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 26. Northwest wind 14 to 16 mph.
Wednesday
Mostly sunny, with a high near 35. West wind around 11 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.25°N 70.06°W (Elev. 0 ft)
Last Update:
4:43 pm EDT Mar 11, 2026
Forecast Valid:
6pm EDT Mar 11, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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