Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Fair

25°F

-4°C

Humidity 69%
Wind Speed W 6 mph
Barometer 29.93 in (1013.5 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 2 Feb 5:53 pm EST
Extended Forecast for

2 Miles ENE Siasconset MA

  • Tonight

    Tonight: Mostly clear, with a low around 22. Northwest wind 7 to 10 mph.

    Low: 22 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 35. Southwest wind 7 to 11 mph.

    High: 35 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. Southwest wind 6 to 10 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 31. West wind 7 to 10 mph.

    High: 31 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 22. Northwest wind 8 to 10 mph.

    Low: 22 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 28. Northwest wind 7 to 10 mph.

    High: 28 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21. Northwest wind around 9 mph.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 32. Northwest wind 7 to 10 mph becoming southwest in the afternoon.

    High: 32 °F

    Partly Sunny

  • Friday Night

    Friday Night: Snow likely, mainly after 4am.  Mostly cloudy, with a low around 14. West wind 10 to 14 mph.  Chance of precipitation is 60%.

    Low: 14 °F

    Snow Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 22. Northwest wind 7 to 10 mph.
Tuesday
Sunny, with a high near 35. Southwest wind 7 to 11 mph.
Tuesday Night
Mostly cloudy, with a low around 27. Southwest wind 6 to 10 mph.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 31. West wind 7 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 22. Northwest wind 8 to 10 mph.
Thursday
Mostly sunny, with a high near 28. Northwest wind 7 to 10 mph.
Thursday Night
Partly cloudy, with a low around 21. Northwest wind around 9 mph.
Friday
Partly sunny, with a high near 32. Northwest wind 7 to 10 mph becoming southwest in the afternoon.
Friday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 14. West wind 10 to 14 mph. Chance of precipitation is 60%.
Saturday
A chance of snow. Partly sunny, with a high near 23. Blustery, with a northwest wind 16 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 50%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 10. Blustery, with a northwest wind 22 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 40%.
Sunday
Partly sunny, with a high near 21. Blustery, with a northwest wind 18 to 21 mph, with gusts as high as 31 mph.
Sunday Night
Partly cloudy, with a low around 13. Northwest wind 16 to 18 mph, with gusts as high as 28 mph.
Monday
Mostly sunny, with a high near 24. Northwest wind around 15 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Siasconset MA
 41.28°N 69.97°W (Elev. 56 ft)
2:11 pm EST Feb 2, 2026
6pm EST Feb 2, 2026-6pm EST Feb 9, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database