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

34°F

1°C

Humidity 89%
Wind Speed NE 5 mph
Barometer 30.00 in (1016.0 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 21 Mar 11:53 pm EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. Southeast wind 3 to 5 mph.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain, mainly after 2pm. High near 46. South wind 11 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain. Low around 38. Southwest wind 9 to 11 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Rain

  • Monday

    Monday: A chance of rain before 8am, then a chance of showers, mainly between 8am and 3pm. Cloudy, with a high near 41. Breezy, with a north wind 15 to 21 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    High: 41 °F

    Chance Rain
    and Breezy

  • Monday Night

    Monday Night: A chance of snow showers, mainly between 10pm and midnight. Mostly cloudy, with a low around 33. North wind 14 to 17 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 33 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 39. North wind 6 to 13 mph.

    High: 39 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 32. Southwest wind 8 to 13 mph.

    Low: 32 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 44. Breezy, with a southwest wind 14 to 20 mph.

    High: 44 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35. Southwest wind 11 to 14 mph.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. Southeast wind 3 to 5 mph.
Sunday
Rain, mainly after 2pm. High near 46. South wind 11 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain. Low around 38. Southwest wind 9 to 11 mph becoming north after midnight. Winds could gust as high as 22 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of rain before 8am, then a chance of showers, mainly between 8am and 3pm. Cloudy, with a high near 41. Breezy, with a north wind 15 to 21 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
A chance of snow showers, mainly between 10pm and midnight. Mostly cloudy, with a low around 33. North wind 14 to 17 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
Mostly sunny, with a high near 39. North wind 6 to 13 mph.
Tuesday Night
Partly cloudy, with a low around 32. Southwest wind 8 to 13 mph.
Wednesday
Partly sunny, with a high near 44. Breezy, with a southwest wind 14 to 20 mph.
Wednesday Night
Mostly cloudy, with a low around 35. Southwest wind 11 to 14 mph.
Thursday
Partly sunny, with a high near 46. South wind 11 to 15 mph.
Thursday Night
Rain likely. Mostly cloudy, with a low around 36. Breezy, with a south wind 16 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 60%.
Friday
A chance of rain. Mostly sunny, with a high near 45. North wind 16 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 28. North wind around 15 mph.
Saturday
Mostly sunny, with a high near 39. North wind 11 to 13 mph becoming west in the afternoon.
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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:
6:13 pm EDT Mar 21, 2026
Forecast Valid:
12am EDT Mar 22, 2026-6pm EDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation