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.

Overcast

41°F

5°C

Humidity 73%
Wind Speed S 18 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 22 Mar 8:53 am EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Today

    Today: A chance of rain, mainly after 2pm. Cloudy, with a high near 46. Breezy, with a south wind 16 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Chance Rain
    and Breezy

  • Tonight

    Tonight: Rain. Low around 39. Southwest wind 7 to 15 mph becoming north after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain

  • Monday

    Monday: A chance of rain before 2pm, then isolated showers between 2pm and 5pm. Cloudy, with a high near 39. Breezy, with a north wind 20 to 22 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    High: 39 °F

    Chance Rain
    and Breezy

  • Monday Night

    Monday Night: A slight chance of rain and snow showers before 8pm, then a slight chance of snow showers between 8pm and 9pm. Mostly cloudy, with a low around 30. North wind 14 to 17 mph. Chance of precipitation is 20%.

    Low: 30 °F

    Isolated
    Rain/Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 40. North wind 7 to 14 mph.

    High: 40 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32. Southwest wind 9 to 14 mph.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 45. Southwest wind 13 to 17 mph.

    High: 45 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 36. Southwest wind 9 to 13 mph.

    Low: 36 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain after 1pm. Partly sunny, with a high near 47. South wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 47 °F

    Partly Sunny
    then Chance
    Rain

Detailed Forecast

Today
A chance of rain, mainly after 2pm. Cloudy, with a high near 46. Breezy, with a south wind 16 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Low around 39. Southwest wind 7 to 15 mph becoming north after midnight. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of rain before 2pm, then isolated showers between 2pm and 5pm. Cloudy, with a high near 39. Breezy, with a north wind 20 to 22 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
A slight chance of rain and snow showers before 8pm, then a slight chance of snow showers between 8pm and 9pm. Mostly cloudy, with a low around 30. North wind 14 to 17 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 40. North wind 7 to 14 mph.
Tuesday Night
Partly cloudy, with a low around 32. Southwest wind 9 to 14 mph.
Wednesday
Partly sunny, with a high near 45. Southwest wind 13 to 17 mph.
Wednesday Night
Mostly cloudy, with a low around 36. Southwest wind 9 to 13 mph.
Thursday
A chance of rain after 1pm. Partly sunny, with a high near 47. South wind 10 to 15 mph. Chance of precipitation is 30%.
Thursday Night
Rain likely, mainly after 4am. Mostly cloudy, with a low around 37. Breezy, with a south wind 16 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 60%.
Friday
Rain likely. Partly sunny, with a high near 47. Breezy, with a west wind 17 to 21 mph becoming north in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 27. North wind 14 to 16 mph.
Saturday
Mostly sunny, with a high near 38. North wind 10 to 13 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:
7:28 am EDT Mar 22, 2026
Forecast Valid:
9am EDT Mar 22, 2026-6pm EDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation