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

27°F

-3°C

Humidity 72%
Wind Speed NW 18 G 26 mph
Barometer 29.67 in (1004.7 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 1 Feb 11:53 pm EST
Extended Forecast for

3 Miles NNE Siasconset MA

Coastal Flood Advisory February 2, 12:30am until February 2, 02:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory February 2, 12:30am until February 2, 02:00pm

    NOW until 2:00pm Mon

    Coastal Flood Advisory

  • Overnight

    Low: 24 °F

    Cloudy and
    Windy

  • Monday

    Monday: Partly sunny, with a high near 29. Northwest wind 14 to 18 mph.

    High: 29 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 25. Northwest wind 10 to 14 mph.

    Low: 25 °F

    Decreasing
    Clouds

  • Tuesday

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

    High: 32 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 28. West wind around 7 mph.

    Low: 28 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 31. West wind 7 to 9 mph.

    High: 31 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24. Northwest wind around 11 mph.

    Low: 24 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 29. Northwest wind 8 to 10 mph.

    High: 29 °F

    Mostly Sunny

Detailed Forecast

Overnight
Cloudy, with a low around 24. Windy, with a north wind 22 to 26 mph.
Monday
Partly sunny, with a high near 29. Northwest wind 14 to 18 mph.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 25. Northwest wind 10 to 14 mph.
Tuesday
Sunny, with a high near 32. West wind around 8 mph.
Tuesday Night
Mostly cloudy, with a low around 28. West wind around 7 mph.
Wednesday
Partly sunny, with a high near 31. West wind 7 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 24. Northwest wind around 11 mph.
Thursday
Mostly sunny, with a high near 29. Northwest wind 8 to 10 mph.
Thursday Night
Partly cloudy, with a low around 24. Northwest wind around 10 mph.
Friday
Partly sunny, with a high near 33. Southwest wind 11 to 16 mph.
Friday Night
A chance of snow. Mostly cloudy, with a low around 20. Breezy, with a southwest wind 15 to 23 mph. Chance of precipitation is 50%.
Saturday
A chance of snow. Mostly cloudy, with a high near 24. Windy, with a northwest wind 25 to 34 mph. Chance of precipitation is 50%.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 12. Very windy, with a northwest wind 41 to 45 mph. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 21. Windy, with a northwest wind 26 to 36 mph.
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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:
11:15 pm EST Feb 1, 2026
Forecast Valid:
12am EST Feb 2, 2026-6pm EST Feb 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation