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 and Breezy

31°F

-1°C

Humidity 54%
Wind Speed W 23 G 31 mph
Barometer 30.02 in (1016.7 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 12 Jan 7:53 am EST
Extended Forecast for

Nantucket MA

  • Today

    Today: Sunny, with a high near 40. Breezy, with a west wind 15 to 21 mph, with gusts as high as 32 mph.

    High: 40 °F

    Sunny and
    Breezy then
    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 33. West wind around 11 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 44. West wind around 10 mph.

    High: 44 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37. Southwest wind 9 to 14 mph.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 45. Southwest wind 10 to 14 mph.

    High: 45 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly after 8pm. Cloudy, with a low around 36. Southwest wind around 7 mph. Chance of precipitation is 40%.

    Low: 36 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 43. Southwest wind 6 to 10 mph. Chance of precipitation is 40%.

    High: 43 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain before 4am, then a chance of snow. Mostly cloudy, with a low around 27. North wind 8 to 14 mph. Chance of precipitation is 50%.

    Low: 27 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Friday

    Friday: Rain and snow likely before 1pm, then a chance of snow between 1pm and 3pm. Partly sunny, with a high near 37. North wind 13 to 16 mph. Chance of precipitation is 60%.

    High: 37 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 40. Breezy, with a west wind 15 to 21 mph, with gusts as high as 32 mph.
Tonight
Partly cloudy, with a low around 33. West wind around 11 mph.
Tuesday
Sunny, with a high near 44. West wind around 10 mph.
Tuesday Night
Mostly cloudy, with a low around 37. Southwest wind 9 to 14 mph.
Wednesday
Mostly cloudy, with a high near 45. Southwest wind 10 to 14 mph.
Wednesday Night
A chance of rain, mainly after 8pm. Cloudy, with a low around 36. Southwest wind around 7 mph. Chance of precipitation is 40%.
Thursday
A chance of rain. Mostly cloudy, with a high near 43. Southwest wind 6 to 10 mph. Chance of precipitation is 40%.
Thursday Night
A chance of rain before 4am, then a chance of snow. Mostly cloudy, with a low around 27. North wind 8 to 14 mph. Chance of precipitation is 50%.
Friday
Rain and snow likely before 1pm, then a chance of snow between 1pm and 3pm. Partly sunny, with a high near 37. North wind 13 to 16 mph. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 28. West wind around 10 mph.
Saturday
Mostly sunny, with a high near 40. West wind 9 to 11 mph.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 33. South wind around 9 mph. Chance of precipitation is 30%.
Sunday
A chance of rain. Partly sunny, with a high near 40. South wind 9 to 14 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.09°W (Elev. 3 ft)
Last Update:
5:32 am EST Jan 12, 2026
Forecast Valid:
8am EST Jan 12, 2026-6pm EST Jan 18, 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