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

44°F

7°C

Humidity 89%
Wind Speed S 16 mph
Barometer 30.10 in (1019.3 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 26 Mar 3:53 am EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Overnight

    Overnight: A chance of showers. Cloudy, with a low around 39. South wind around 15 mph. Chance of precipitation is 40%.

    Low: 39 °F

    Chance
    Showers

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 51. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 36 mph.

    High: 51 °F

    Decreasing
    Clouds and
    Breezy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 11pm. Patchy fog before 1am, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 38. Breezy, with a southwest wind 18 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain Likely
    and Patchy
    Fog

  • Friday

    Friday: Rain, mainly before noon. Patchy fog before 11am. High near 45. North wind 13 to 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 45 °F

    Rain and
    Patchy Fog
    then Chance
    Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29. Northeast wind around 11 mph.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 36. North wind 15 to 17 mph.

    High: 36 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28. North wind 5 to 9 mph becoming west in the evening.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 42. Southwest wind 10 to 16 mph.

    High: 42 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35. Southwest wind around 14 mph.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers. Cloudy, with a low around 39. South wind around 15 mph. Chance of precipitation is 40%.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 51. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 36 mph.
Thursday Night
Rain likely, mainly after 11pm. Patchy fog before 1am, then patchy fog after 2am. Otherwise, mostly cloudy, with a low around 38. Breezy, with a southwest wind 18 to 21 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain, mainly before noon. Patchy fog before 11am. High near 45. North wind 13 to 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Mostly cloudy, with a low around 29. Northeast wind around 11 mph.
Saturday
Partly sunny, with a high near 36. North wind 15 to 17 mph.
Saturday Night
Partly cloudy, with a low around 28. North wind 5 to 9 mph becoming west in the evening.
Sunday
Sunny, with a high near 42. Southwest wind 10 to 16 mph.
Sunday Night
Partly cloudy, with a low around 35. Southwest wind around 14 mph.
Monday
Mostly cloudy, with a high near 48. Breezy, with a southwest wind 16 to 25 mph, with gusts as high as 41 mph.
Monday Night
Mostly cloudy, with a low around 39. Breezy, with a west wind 16 to 22 mph, with gusts as high as 37 mph.
Tuesday
A chance of rain. Partly sunny, with a high near 46. West wind 11 to 13 mph becoming northeast in the afternoon. Chance of precipitation is 30%.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 36. East wind 8 to 11 mph. Chance of precipitation is 30%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 47. East wind 15 to 18 mph. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.25°N 70.06°W (Elev. 0 ft)
Last Update:
3:29 am EDT Mar 26, 2026
Forecast Valid:
4am EDT Mar 26, 2026-6pm EDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation