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.

Fog/Mist

45°F

7°C

Humidity 100%
Wind Speed SW 16 mph
Barometer 29.72 in (1006.5 mb)
Dewpoint 45°F (7°C)
Visibility 4.00 mi
Wind Chill38°F (3°C)
Last update 21 Mar 4:53 am EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Overnight

    Overnight: A chance of rain. Patchy fog. Otherwise, cloudy, with a low around 41. Southwest wind around 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 45. West wind 10 to 17 mph becoming north in the afternoon. Winds could gust as high as 28 mph.

    High: 45 °F

    Patchy Fog
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 37. Northeast wind 5 to 8 mph becoming southeast after midnight.

    Low: 37 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of rain, mainly after 4pm. Patchy fog after 5pm. Otherwise, cloudy, with a high near 49. South wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 49 °F

    Cloudy then
    Chance Rain
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: Rain, mainly after 10pm. Patchy fog before 9pm. Low around 35. Southwest wind around 9 mph becoming north after midnight. Chance of precipitation is 80%.

    Low: 35 °F

    Rain and
    Patchy Fog

  • Monday

    Monday: Rain likely, mainly before 9am. Mostly cloudy, with a high near 42. North wind 13 to 17 mph. Chance of precipitation is 60%.

    High: 42 °F

    Rain Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. North wind around 14 mph.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 40. North wind 7 to 11 mph.

    High: 40 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 33. Southwest wind 8 to 13 mph.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of rain. Patchy fog. Otherwise, cloudy, with a low around 41. Southwest wind around 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 45. West wind 10 to 17 mph becoming north in the afternoon. Winds could gust as high as 28 mph.
Saturday Night
Increasing clouds, with a low around 37. Northeast wind 5 to 8 mph becoming southeast after midnight.
Sunday
A chance of rain, mainly after 4pm. Patchy fog after 5pm. Otherwise, cloudy, with a high near 49. South wind 10 to 15 mph. Chance of precipitation is 30%.
Sunday Night
Rain, mainly after 10pm. Patchy fog before 9pm. Low around 35. Southwest wind around 9 mph becoming north after midnight. Chance of precipitation is 80%.
Monday
Rain likely, mainly before 9am. Mostly cloudy, with a high near 42. North wind 13 to 17 mph. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 32. North wind around 14 mph.
Tuesday
Sunny, with a high near 40. North wind 7 to 11 mph.
Tuesday Night
Mostly cloudy, with a low around 33. Southwest wind 8 to 13 mph.
Wednesday
Partly sunny, with a high near 45. Southwest wind 14 to 16 mph.
Wednesday Night
Partly cloudy, with a low around 35. West wind 11 to 13 mph becoming northwest after midnight.
Thursday
Partly sunny, with a high near 45. South wind 11 to 13 mph.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 36. Southwest wind 13 to 15 mph. Chance of precipitation is 40%.
Friday
A chance of rain. Partly sunny, with a high near 46. West wind around 16 mph. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.27°N 70.06°W (Elev. 49 ft)
Last Update:
2:33 am EDT Mar 21, 2026
Forecast Valid:
5am EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
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Additional Resources

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