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.

Partly Cloudy and Breezy

15°F

-9°C

Humidity 77%
Wind Speed NW 25 G 36 mph
Barometer 29.91 in (1012.9 mb)
Dewpoint 9°F (-13°C)
Visibility 8.00 mi
Wind Chill-4°F (-20°C)
Last update 8 Feb 10:53 am EST
Extended Forecast for

2 Miles ENE Siasconset MA

  • Today

    Today: Mostly cloudy, with a high near 23. Blustery, with a northwest wind 17 to 22 mph.

    High: 23 °F

    Mostly Cloudy
    and Blustery

  • Tonight

    Tonight: Mostly cloudy, with a low around 16. Blustery, with a northwest wind 17 to 21 mph.

    Low: 16 °F

    Mostly Cloudy
    and Blustery

  • Monday

    Monday: Mostly sunny, with a high near 28. Northwest wind 11 to 18 mph.

    High: 28 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 22. Northwest wind 9 to 13 mph.

    Low: 22 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 34. Northwest wind 6 to 8 mph becoming southwest in the afternoon.

    High: 34 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow before midnight, then a chance of rain and snow between midnight and 2am, then a chance of snow after 2am. Mostly cloudy, with a low around 28. Southwest wind around 7 mph. Chance of precipitation is 50%. New snow accumulation of around an inch possible.

    Low: 28 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: A chance of snow before 8am. Mostly sunny, with a high near 35. West wind 9 to 11 mph. Chance of precipitation is 30%.

    High: 35 °F

    Chance Snow
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. Northwest wind around 11 mph.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 32. Northwest wind 10 to 13 mph.

    High: 32 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 23. Blustery, with a northwest wind 17 to 22 mph.
Tonight
Mostly cloudy, with a low around 16. Blustery, with a northwest wind 17 to 21 mph.
Monday
Mostly sunny, with a high near 28. Northwest wind 11 to 18 mph.
Monday Night
Mostly clear, with a low around 22. Northwest wind 9 to 13 mph.
Tuesday
Partly sunny, with a high near 34. Northwest wind 6 to 8 mph becoming southwest in the afternoon.
Tuesday Night
A chance of snow before midnight, then a chance of rain and snow between midnight and 2am, then a chance of snow after 2am. Mostly cloudy, with a low around 28. Southwest wind around 7 mph. Chance of precipitation is 50%. New snow accumulation of around an inch possible.
Wednesday
A chance of snow before 8am. Mostly sunny, with a high near 35. West wind 9 to 11 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 26. Northwest wind around 11 mph.
Thursday
Partly sunny, with a high near 32. Northwest wind 10 to 13 mph.
Thursday Night
Mostly cloudy, with a low around 27. Northwest wind around 10 mph.
Friday
Partly sunny, with a high near 34. North wind 9 to 11 mph.
Friday Night
Mostly cloudy, with a low around 28. North wind 8 to 10 mph.
Saturday
Mostly sunny, with a high near 35. North wind around 11 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Siasconset MA
 41.28°N 69.97°W (Elev. 56 ft)
Last Update:
6:18 am EST Feb 8, 2026
Forecast Valid:
11am EST Feb 8, 2026-6pm EST Feb 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation