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.

A Few Clouds

35°F

2°C

Humidity 89%
Wind Speed Calm
Barometer 30.02 in (1016.6 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 22 Mar 1:53 am EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 37. East wind 3 to 5 mph.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain, mainly after 2pm. Cloudy, with a high near 46. Southeast wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain. Low around 39. Southwest wind 10 to 13 mph becoming north after midnight. Winds could gust as high as 23 mph. 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 23 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 10 to 13 mph.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 37. East wind 3 to 5 mph.
Sunday
A chance of rain, mainly after 2pm. Cloudy, with a high near 46. Southeast wind 10 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain. Low around 39. Southwest wind 10 to 13 mph becoming north after midnight. Winds could gust as high as 23 mph. 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 23 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 10 to 13 mph.
Thursday
Partly sunny, with a high near 47. South wind 10 to 15 mph.
Thursday Night
Rain likely. Mostly cloudy, with a low around 37. South wind 15 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Friday
Rain likely. Partly sunny, with a high near 47. West wind 16 to 18 mph becoming north in the afternoon. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 27. North wind 13 to 15 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:
1:44 am EDT Mar 22, 2026
Forecast Valid:
2am EDT Mar 22, 2026-6pm EDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation