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 NE 16 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 45°F (7°C)
Visibility 0.75 mi
Wind Chill38°F (3°C)
Last update 18 Apr 3:53 am EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Today

    Today: Areas of fog before noon, then areas of fog after 1pm. Otherwise, cloudy, with a high near 49. Northeast wind 11 to 15 mph.

    High: 49 °F

    Areas Fog

  • Tonight

    Tonight: Patchy fog. Otherwise, cloudy, with a low around 43. Northeast wind around 6 mph becoming calm.

    Low: 43 °F

    Patchy Fog

  • Sunday

    Sunday: Rain, mainly after 3pm. Patchy fog. High near 56. South wind 8 to 15 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Chance Rain
    and Patchy
    Fog then Rain
    and Patchy
    Fog

  • Sunday Night

    Sunday Night: Rain, mainly before 2am. Low around 41. Northwest wind 10 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain then
    Chance Rain

  • Monday

    Monday: Sunny, with a high near 50. West wind around 9 mph.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37. West wind 6 to 10 mph becoming north after midnight.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 47. North wind 8 to 10 mph.

    High: 47 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. Southwest wind 7 to 10 mph.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53. Southwest wind around 14 mph.

    High: 53 °F

    Partly Sunny

Detailed Forecast

Today
Areas of fog before noon, then areas of fog after 1pm. Otherwise, cloudy, with a high near 49. Northeast wind 11 to 15 mph.
Tonight
Patchy fog. Otherwise, cloudy, with a low around 43. Northeast wind around 6 mph becoming calm.
Sunday
Rain, mainly after 3pm. Patchy fog. High near 56. South wind 8 to 15 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain, mainly before 2am. Low around 41. Northwest wind 10 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Sunny, with a high near 50. West wind around 9 mph.
Monday Night
Partly cloudy, with a low around 37. West wind 6 to 10 mph becoming north after midnight.
Tuesday
Sunny, with a high near 47. North wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 38. Southwest wind 7 to 10 mph.
Wednesday
Partly sunny, with a high near 53. Southwest wind around 14 mph.
Wednesday Night
Partly cloudy, with a low around 43. Southwest wind around 8 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 54. North wind around 9 mph.
Thursday Night
Partly cloudy, with a low around 42. Southwest wind 5 to 7 mph becoming northwest in the evening.
Friday
Mostly sunny, with a high near 52. North wind around 9 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.27°N 70.06°W (Elev. 49 ft)
Last Update:
2:29 am EDT Apr 18, 2026
Forecast Valid:
4am EDT Apr 18, 2026-6pm EDT Apr 24, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation