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.

Overcast and Windy

27°F

-3°C

Humidity 78%
Wind Speed N 31 G 53 mph
Barometer 29.51 in (999.3 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 1 Feb 3:53 pm EST
Extended Forecast for

2 Miles NNW Siasconset MA

Coastal Flood Advisory February 1, 04:50pm until February 2, 02:00pm
High Wind Warning February 1, 04:50pm until February 1, 07:00pm
Click here for hazard details and duration
Coastal Flood Advisory
High Wind Warning
  •  
    Coastal Flood Advisory February 1, 04:50pm until February 2, 02:00pm
    High Wind Warning February 1, 04:50pm until February 1, 07:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 31 °F

    Slight Chance
    Snow Showers
    and Windy

  • Tonight

    Tonight: Cloudy, with a low around 23. Windy, with a north wind 18 to 28 mph, with gusts as high as 43 mph.

    Low: 23 °F

    Cloudy and
    Windy

  • Monday

    Monday: Mostly cloudy, with a high near 29. Northwest wind 10 to 15 mph.

    High: 29 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly clear, with a low around 25. Northwest wind around 10 mph.

    Low: 25 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 32. West wind 6 to 8 mph.

    High: 32 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27. West wind around 7 mph.

    Low: 27 °F

    Mostly Cloudy

  • Wednesday

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

    High: 32 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. Northwest wind around 11 mph.

    Low: 23 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A slight chance of snow showers. Cloudy, with a high near 31. Windy, with a north wind around 30 mph, with gusts as high as 50 mph. Chance of precipitation is 20%.
Tonight
Cloudy, with a low around 23. Windy, with a north wind 18 to 28 mph, with gusts as high as 43 mph.
Monday
Mostly cloudy, with a high near 29. Northwest wind 10 to 15 mph.
Monday Night
Mostly clear, with a low around 25. Northwest wind around 10 mph.
Tuesday
Sunny, with a high near 32. West wind 6 to 8 mph.
Tuesday Night
Mostly cloudy, with a low around 27. West wind around 7 mph.
Wednesday
Partly sunny, with a high near 32. West wind 7 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 23. Northwest wind around 11 mph.
Thursday
Mostly sunny, with a high near 29. Northwest wind around 10 mph.
Thursday Night
Partly cloudy, with a low around 23. Northwest wind around 10 mph.
Friday
Partly sunny, with a high near 33. Southwest wind 10 to 14 mph.
Friday Night
A chance of snow. Mostly cloudy, with a low around 19. Southwest wind 14 to 17 mph. Chance of precipitation is 50%.
Saturday
A chance of snow. Mostly cloudy, with a high near 24. Blustery, with a northwest wind 20 to 23 mph. Chance of precipitation is 50%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 11. Windy, with a northwest wind 26 to 28 mph. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 21. Blustery.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Siasconset MA
 41.31°N 70.02°W (Elev. 13 ft)
Last Update:
1:13 pm EST Feb 1, 2026
Forecast Valid:
4pm EST Feb 1, 2026-6pm EST Feb 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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