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.

Partly Cloudy and Breezy

35°F

2°C

Humidity 59%
Wind Speed SW 21 G 32 mph
Barometer 30.08 in (1018.7 mb)
Dewpoint 22°F (-6°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 9 Dec 8:53 pm EST
Extended Forecast for

2 Miles E Siasconset MA

  • Tonight

    Tonight: A slight chance of rain between 3am and 4am. Cloudy, with a temperature rising to around 43 by 5am. Southwest wind 14 to 18 mph. Chance of precipitation is 20%.

    Low: 35 °F⇑

    Cloudy then
    Slight Chance
    Rain

  • Wednesday

    Wednesday: A slight chance of rain after 3pm. Mostly cloudy, with a high near 51. South wind 15 to 18 mph. Chance of precipitation is 20%.

    High: 51 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 34. West wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.

    Low: 34 °F

    Chance Rain

  • Thursday

    Thursday: A slight chance of rain before 10am. Mostly sunny, with a high near 44. Windy, with a west wind 21 to 31 mph. Chance of precipitation is 20%.

    High: 44 °F

    Windy. Slight
    Chance Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: A slight chance of snow. Partly cloudy, with a low around 26. Windy, with a west wind 30 to 33 mph. Chance of precipitation is 20%.

    Low: 26 °F

    Slight Chance
    Snow and
    Windy

  • Friday

    Friday: A slight chance of snow before 8am. Mostly sunny, with a high near 38. Windy, with a west wind 18 to 28 mph. Chance of precipitation is 20%.

    High: 38 °F

    Slight Chance
    Snow and
    Windy then
    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 31. West wind 11 to 17 mph.

    Low: 31 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of rain. Mostly cloudy, with a high near 42. West wind 10 to 14 mph. Chance of precipitation is 30%.

    High: 42 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A chance of rain between 1am and 2am, then a chance of snow after 2am. Mostly cloudy, with a low around 32. West wind 13 to 15 mph. Chance of precipitation is 30%.

    Low: 32 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
A slight chance of rain between 3am and 4am. Cloudy, with a temperature rising to around 43 by 5am. Southwest wind 14 to 18 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of rain after 3pm. Mostly cloudy, with a high near 51. South wind 15 to 18 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 34. West wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 50%.
Thursday
A slight chance of rain before 10am. Mostly sunny, with a high near 44. Windy, with a west wind 21 to 31 mph. Chance of precipitation is 20%.
Thursday Night
A slight chance of snow. Partly cloudy, with a low around 26. Windy, with a west wind 30 to 33 mph. Chance of precipitation is 20%.
Friday
A slight chance of snow before 8am. Mostly sunny, with a high near 38. Windy, with a west wind 18 to 28 mph. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 31. West wind 11 to 17 mph.
Saturday
A chance of rain. Mostly cloudy, with a high near 42. West wind 10 to 14 mph. Chance of precipitation is 30%.
Saturday Night
A chance of rain between 1am and 2am, then a chance of snow after 2am. Mostly cloudy, with a low around 32. West wind 13 to 15 mph. Chance of precipitation is 30%.
Sunday
A chance of rain and snow before 9am, then rain likely. Mostly cloudy, with a high near 41. West wind 14 to 17 mph. Chance of precipitation is 60%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 22. Blustery, with a northwest wind 18 to 20 mph. Chance of precipitation is 50%.
Monday
A chance of snow. Mostly sunny, with a high near 32. Northwest wind 16 to 18 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 24. Northwest wind 13 to 15 mph.
Tuesday
Partly sunny, with a high near 36. West wind 13 to 15 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Siasconset MA
 41.28°N 69.97°W (Elev. 56 ft)
Last Update:
12:52 pm EST Dec 9, 2025
Forecast Valid:
9pm EST Dec 9, 2025-6pm EST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation