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Hazardous Weather Conditions

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Overcast

25°F

-4°C

Humidity 85%
Wind Speed N 14 mph
Barometer 29.90 in (1012.6 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 31 Jan 11:53 pm EST
Extended Forecast for

3 Miles NNE Siasconset MA

Winter Weather Advisory February 1, 04:00am until February 2, 04:00am
Wind Advisory February 1, 05:00am until February 1, 11:00pm
Coastal Flood Warning February 1, 08:00am until February 2, 02:00pm
Click here for hazard details and duration
Winter Weather Advisory
Wind Advisory
Coastal Flood Warning

  • Overnight

    Overnight: A slight chance of snow before 1am, then a chance of snow after 2am. Cloudy, with a temperature rising to around 30 by 4am. Windy, with a northeast wind 17 to 26 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 23 °F⇑

    Chance Snow
    and Windy

  • Sunday

    Sunday: Snow likely, mainly between 7am and 3pm. Cloudy, with a high near 33. Windy, with a north wind 32 to 37 mph, with gusts as high as 48 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 33 °F

    Snow Likely
    and Windy

  • Sunday Night

    Sunday Night: A chance of snow, mainly before 9pm. Cloudy, with a low around 25. Windy, with a north wind 32 to 37 mph decreasing to 23 to 28 mph after midnight. Chance of precipitation is 30%. New snow accumulation of 1 to 2 inches possible.

    Low: 25 °F

    Windy. Chance
    Snow then
    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 31. Blustery, with a northwest wind 13 to 21 mph.

    High: 31 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26. Northwest wind 9 to 11 mph.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 32. West wind 7 to 9 mph.

    High: 32 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28. West wind around 8 mph.

    Low: 28 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 32. West wind around 9 mph.

    High: 32 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. Northwest wind 9 to 13 mph.

    Low: 25 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of snow before 1am, then a chance of snow after 2am. Cloudy, with a temperature rising to around 30 by 4am. Windy, with a northeast wind 17 to 26 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Sunday
Snow likely, mainly between 7am and 3pm. Cloudy, with a high near 33. Windy, with a north wind 32 to 37 mph, with gusts as high as 48 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Sunday Night
A chance of snow, mainly before 9pm. Cloudy, with a low around 25. Windy, with a north wind 32 to 37 mph decreasing to 23 to 28 mph after midnight. Chance of precipitation is 30%. New snow accumulation of 1 to 2 inches possible.
Monday
Mostly cloudy, with a high near 31. Blustery, with a northwest wind 13 to 21 mph.
Monday Night
Partly cloudy, with a low around 26. Northwest wind 9 to 11 mph.
Tuesday
Sunny, with a high near 32. West wind 7 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 28. West wind around 8 mph.
Wednesday
Partly sunny, with a high near 32. West wind around 9 mph.
Wednesday Night
Partly cloudy, with a low around 25. Northwest wind 9 to 13 mph.
Thursday
Mostly sunny, with a high near 30. Northwest wind 11 to 13 mph.
Thursday Night
Partly cloudy, with a low around 23. Northwest wind 11 to 14 mph.
Friday
Partly sunny, with a high near 32. West wind around 13 mph.
Friday Night
A chance of snow. Mostly cloudy, with a low around 22. Southwest wind 13 to 17 mph. Chance of precipitation is 50%.
Saturday
A chance of snow. Mostly cloudy, with a high near 29. Windy, with a northwest wind 20 to 29 mph. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Siasconset MA
 41.33°N 69.98°W (Elev. 0 ft)
Last Update:
11:16 pm EST Jan 31, 2026
Forecast Valid:
12am EST Feb 1, 2026-6pm EST Feb 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation