National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Fair and Breezy

55°F

13°C

Humidity 55%
Wind Speed N 21 G 32 mph
Barometer 30.12 in (1019.9 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 11 Apr 10:53 am EDT
Extended Forecast for

3 Miles NNE Siasconset MA

  • Today

    Today: Sunny, with a high near 49. Breezy, with a north wind 14 to 20 mph.

    High: 49 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 43. North wind 8 to 13 mph, with gusts as high as 24 mph.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 47. North wind 5 to 10 mph becoming south in the afternoon.

    High: 47 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44. South wind 10 to 15 mph.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 52. Breezy, with a southwest wind 21 to 25 mph, with gusts as high as 37 mph.

    High: 52 °F

    Mostly Cloudy
    and Breezy

  • Monday Night

    Monday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 49. Breezy, with a west wind 17 to 22 mph. Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. West wind 8 to 10 mph.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 48. South wind 8 to 10 mph.

    Low: 48 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53. South wind around 11 mph.

    High: 53 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 49. Breezy, with a north wind 14 to 20 mph.
Tonight
Mostly clear, with a low around 43. North wind 8 to 13 mph, with gusts as high as 24 mph.
Sunday
Increasing clouds, with a high near 47. North wind 5 to 10 mph becoming south in the afternoon.
Sunday Night
Mostly cloudy, with a low around 44. South wind 10 to 15 mph.
Monday
Mostly cloudy, with a high near 52. Breezy, with a southwest wind 21 to 25 mph, with gusts as high as 37 mph.
Monday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 49. Breezy, with a west wind 17 to 22 mph. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 53. West wind 8 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 48. South wind 8 to 10 mph.
Wednesday
Partly sunny, with a high near 53. South wind around 11 mph.
Wednesday Night
Mostly cloudy, with a low around 50. Southwest wind around 14 mph.
Thursday
Partly sunny, with a high near 55. Southwest wind around 11 mph.
Thursday Night
Mostly cloudy, with a low around 49. Southwest wind around 11 mph.
Friday
Mostly cloudy, with a high near 53. South wind around 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Siasconset MA
 41.33°N 69.98°W (Elev. 0 ft)
Last Update:
5:14 am EDT Apr 11, 2026
Forecast Valid:
11am EDT Apr 11, 2026-6pm EDT Apr 17, 2026
 
Forecast Discussion
 
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Additional Resources

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