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 and Breezy

43°F

6°C

Humidity 82%
Wind Speed NW 23 G 33 mph
Barometer 29.90 in (1012.4 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 19 Apr 8:53 pm EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Tonight

    Tonight: A slight chance of showers before 10pm. Cloudy early, then gradual clearing, with a low around 40. Northwest wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 51. West wind around 7 mph becoming southwest in the afternoon.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: A slight chance of showers. Mostly cloudy, with a low around 37. West wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Showers

  • Tuesday

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

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. Southeast wind 5 to 8 mph becoming southwest after midnight.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, mainly before noon. Mostly cloudy, with a high near 50. South wind 9 to 11 mph. Chance of precipitation is 30%.

    High: 50 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42. Southeast wind around 6 mph becoming east after midnight.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52. North wind around 8 mph becoming northwest in the afternoon.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 43. West wind around 6 mph becoming northwest after midnight.

    Low: 43 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before 10pm. Cloudy early, then gradual clearing, with a low around 40. Northwest wind 10 to 14 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Monday
Sunny, with a high near 51. West wind around 7 mph becoming southwest in the afternoon.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 37. West wind 6 to 9 mph becoming north after midnight. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 47. North wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 38. Southeast wind 5 to 8 mph becoming southwest after midnight.
Wednesday
A chance of showers, mainly before noon. Mostly cloudy, with a high near 50. South wind 9 to 11 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 42. Southeast wind around 6 mph becoming east after midnight.
Thursday
Mostly sunny, with a high near 52. North wind around 8 mph becoming northwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 43. West wind around 6 mph becoming northwest after midnight.
Friday
Mostly sunny, with a high near 52. North wind 7 to 9 mph.
Friday Night
Partly cloudy, with a low around 42. Northeast wind around 7 mph.
Saturday
A chance of showers. Partly sunny, with a high near 51. Northeast wind 8 to 10 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 43. East wind around 7 mph. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 52. East wind around 10 mph. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.27°N 70.06°W (Elev. 49 ft)
Last Update:
1:41 pm EDT Apr 19, 2026
Forecast Valid:
9pm EDT Apr 19, 2026-6pm EDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation