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Hazardous Weather Conditions

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Fair

12°F

-11°C

Humidity 67%
Wind Speed NW 6 mph
Barometer 30.13 in (1020.1 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill2°F (-17°C)
Last update 31 Jan 7:53 am EST
Extended Forecast for

2 Miles ENE Siasconset MA

Coastal Flood Watch February 1, 08:00am until February 2, 02:00pm
Winter Weather Advisory February 1, 04:00am until February 2, 04:00am
Click here for hazard details and duration
Coastal Flood Watch
Winter Weather Advisory

  • Today

    Today: Mostly sunny, with a high near 28. West wind 7 to 10 mph.

    High: 28 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of snow, mainly after 1am. Cloudy, with a temperature rising to around 30 by 5am. Blustery, with a northeast wind 8 to 13 mph increasing to 19 to 24 mph after midnight. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.

    Low: 20 °F⇑

    Mostly Cloudy
    then Chance
    Snow and
    Blustery

  • Sunday

    Sunday: Snow. High near 32. Windy, with a northeast wind 25 to 31 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    High: 32 °F

    Snow and
    Windy

  • Sunday Night

    Sunday Night: Snow likely, mainly before 2am. Cloudy, with a low around 23. Windy, with a northwest wind 25 to 30 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 23 °F

    Snow Likely
    and Windy
    then Chance
    Snow and
    Blustery

  • Monday

    Monday: Partly sunny, with a high near 32. Northwest wind 10 to 16 mph.

    High: 32 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. Northwest wind 8 to 10 mph.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 32. West wind around 8 mph.

    High: 32 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26. West wind around 7 mph.

    Low: 26 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 32. West wind 7 to 10 mph.

    High: 32 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 28. West wind 7 to 10 mph.
Tonight
A chance of snow, mainly after 1am. Cloudy, with a temperature rising to around 30 by 5am. Blustery, with a northeast wind 8 to 13 mph increasing to 19 to 24 mph after midnight. Chance of precipitation is 30%. New snow accumulation of less than one inch possible.
Sunday
Snow. High near 32. Windy, with a northeast wind 25 to 31 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Sunday Night
Snow likely, mainly before 2am. Cloudy, with a low around 23. Windy, with a northwest wind 25 to 30 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Monday
Partly sunny, with a high near 32. Northwest wind 10 to 16 mph.
Monday Night
Partly cloudy, with a low around 25. Northwest wind 8 to 10 mph.
Tuesday
Sunny, with a high near 32. West wind around 8 mph.
Tuesday Night
Partly cloudy, with a low around 26. West wind around 7 mph.
Wednesday
Partly sunny, with a high near 32. West wind 7 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 24. Northwest wind 7 to 9 mph.
Thursday
Partly sunny, with a high near 30. Northwest wind around 10 mph.
Thursday Night
Mostly cloudy, with a low around 25. North wind around 10 mph.
Friday
Partly sunny, with a high near 33. Northwest wind 10 to 14 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:
4:50 am EST Jan 31, 2026
Forecast Valid:
8am EST Jan 31, 2026-6pm EST Feb 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation