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.

Snow Fog/Mist and Windy

33°F

1°C

Humidity 96%
Wind Speed NE 29 G 40 mph
Barometer 29.57 in (1001.4 mb)
Dewpoint 32°F (0°C)
Visibility 3.00 mi
Wind Chill19°F (-7°C)
Last update 26 Jan 3:53 am EST
Extended Forecast for

6 Miles N Siasconset MA

  • Today

    Today: A chance of rain before 2pm, then a chance of snow. Cloudy, with a high near 37. North wind 11 to 17 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 37 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Tonight

    Tonight: A chance of snow between 8pm and midnight. Cloudy during the early evening, then gradual clearing, with a low around 20. Windy, with a northwest wind 18 to 23 mph increasing to 26 to 31 mph after midnight. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 20 °F

    Windy. Chance
    Snow then
    Decreasing
    Clouds

  • Tuesday

    Tuesday: Increasing clouds, with a high near 28. Windy, with a northwest wind 23 to 28 mph decreasing to 17 to 22 mph in the afternoon.

    High: 28 °F

    Increasing
    Clouds and
    Windy

  • Tuesday Night

    Tuesday Night: A slight chance of snow after 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 20. Breezy, with a west wind 21 to 23 mph. Chance of precipitation is 20%.

    Low: 20 °F

    Slight Chance
    Snow and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 25. Blustery, with a west wind 14 to 20 mph.

    High: 25 °F

    Sunny and
    Blustery then
    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21. West wind 10 to 14 mph.

    Low: 21 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of snow after 9am. Mostly cloudy, with a high near 24. Blustery, with a northwest wind 13 to 20 mph. Chance of precipitation is 30%.

    High: 24 °F

    Chance Snow
    and Blustery

  • Thursday Night

    Thursday Night: A chance of snow before 2am. Mostly cloudy, with a low around 15. Blustery, with a northwest wind 22 to 24 mph. Chance of precipitation is 30%.

    Low: 15 °F

    Chance Snow
    and Blustery

  • Friday

    Friday: Mostly sunny, with a high near 22. Blustery, with a west wind 18 to 22 mph.

    High: 22 °F

    Mostly Sunny
    and Blustery

Detailed Forecast

Today
A chance of rain before 2pm, then a chance of snow. Cloudy, with a high near 37. North wind 11 to 17 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tonight
A chance of snow between 8pm and midnight. Cloudy during the early evening, then gradual clearing, with a low around 20. Windy, with a northwest wind 18 to 23 mph increasing to 26 to 31 mph after midnight. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Tuesday
Increasing clouds, with a high near 28. Windy, with a northwest wind 23 to 28 mph decreasing to 17 to 22 mph in the afternoon.
Tuesday Night
A slight chance of snow after 9pm. Cloudy, then gradually becoming partly cloudy, with a low around 20. Breezy, with a west wind 21 to 23 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 25. Blustery, with a west wind 14 to 20 mph.
Wednesday Night
Mostly cloudy, with a low around 21. West wind 10 to 14 mph.
Thursday
A chance of snow after 9am. Mostly cloudy, with a high near 24. Blustery, with a northwest wind 13 to 20 mph. Chance of precipitation is 30%.
Thursday Night
A chance of snow before 2am. Mostly cloudy, with a low around 15. Blustery, with a northwest wind 22 to 24 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 22. Blustery, with a west wind 18 to 22 mph.
Friday Night
Mostly cloudy, with a low around 18. Blustery, with a northwest wind 17 to 20 mph.
Saturday
Mostly sunny, with a high near 26. Northwest wind 13 to 16 mph.
Saturday Night
Partly cloudy, with a low around 23. Northwest wind 14 to 16 mph.
Sunday
Partly sunny, with a high near 31. Northwest wind around 17 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles N Siasconset MA
 41.35°N 70.01°W (Elev. 0 ft)
Last Update:
12:48 am EST Jan 26, 2026
Forecast Valid:
4am EST Jan 26, 2026-6pm EST Feb 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation