National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Fair

31°F

-1°C

Humidity 56%
Wind Speed W 13 mph
Barometer 30.10 in (1019.3 mb)
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 3 Feb 12:53 pm EST
Extended Forecast for

3 Miles NNE Siasconset MA

  • This Afternoon

    This Afternoon: Sunny, with a high near 32. West wind around 9 mph.

    High: 32 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 27. West wind 8 to 10 mph.

    Low: 27 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 30. West wind 10 to 15 mph.

    High: 30 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 24. Northwest wind around 10 mph.

    Low: 24 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 29. Northwest wind around 9 mph.

    High: 29 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25. Northwest wind around 9 mph.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 31. North wind 6 to 8 mph becoming southwest in the afternoon.

    High: 31 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A chance of snow after 11pm. Mostly cloudy, with a low around 23. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.

    Low: 23 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely. Mostly cloudy, with a high near 28. Windy, with a northwest wind 14 to 19 mph increasing to 28 to 33 mph in the afternoon. Chance of precipitation is 70%.

    High: 28 °F

    Snow Likely
    and Windy

Detailed Forecast

This Afternoon
Sunny, with a high near 32. West wind around 9 mph.
Tonight
Partly cloudy, with a low around 27. West wind 8 to 10 mph.
Wednesday
Mostly sunny, with a high near 30. West wind 10 to 15 mph.
Wednesday Night
Partly cloudy, with a low around 24. Northwest wind around 10 mph.
Thursday
Mostly sunny, with a high near 29. Northwest wind around 9 mph.
Thursday Night
Mostly cloudy, with a low around 25. Northwest wind around 9 mph.
Friday
Mostly cloudy, with a high near 31. North wind 6 to 8 mph becoming southwest in the afternoon.
Friday Night
A chance of snow after 11pm. Mostly cloudy, with a low around 23. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.
Saturday
Snow likely. Mostly cloudy, with a high near 28. Windy, with a northwest wind 14 to 19 mph increasing to 28 to 33 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
Snow likely, mainly before 9pm. Mostly cloudy, with a low around 11. Very windy, with a northwest wind 39 to 43 mph. Chance of precipitation is 60%.
Sunday
A chance of snow. Partly sunny, with a high near 19. Windy, with a northwest wind 28 to 33 mph decreasing to 22 to 27 mph in the afternoon. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 12. Blustery, with a northwest wind 23 to 25 mph.
Monday
Partly sunny, with a high near 23. Blustery, with a northwest wind 18 to 22 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:
12:42 pm EST Feb 3, 2026
Forecast Valid:
1pm EST Feb 3, 2026-6pm EST Feb 9, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation