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 54%
Wind Speed W 15 G 25 mph
Barometer 29.96 in (1014.6 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 16 Jan 5:53 pm EST
Extended Forecast for

Nantucket MA

  • Tonight

    Tonight: Increasing clouds, with a low around 31. Breezy, with a west wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 30 mph.

    Low: 31 °F

    Mostly Clear
    and Breezy
    then Mostly
    Cloudy

  • Saturday

    Saturday: A slight chance of rain before 1pm, then a slight chance of rain after 4pm. Partly sunny, with a high near 46. South wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    High: 46 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34. West wind 6 to 11 mph, with gusts as high as 23 mph.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of snow before 8am, then rain likely between 8am and 3pm, then snow likely after 3pm. Cloudy, with a high near 40. Southwest wind 6 to 9 mph becoming north in the afternoon. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: Snow likely, mainly before 10pm. Mostly cloudy, with a low around 28. North wind 7 to 10 mph becoming west after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    Low: 28 °F

    Snow Likely
    then Chance
    Snow

  • M.L.King Day

    M.L.King Day: Mostly sunny, with a high near 36. West wind 11 to 18 mph, with gusts as high as 28 mph.

    High: 36 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 20. West wind around 18 mph, with gusts as high as 39 mph.

    Low: 20 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 27. West wind around 16 mph, with gusts as high as 31 mph.

    High: 27 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 17. West wind around 15 mph, with gusts as high as 28 mph.

    Low: 17 °F

    Partly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 31. Breezy, with a west wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 30 mph.
Saturday
A slight chance of rain before 1pm, then a slight chance of rain after 4pm. Partly sunny, with a high near 46. South wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 34. West wind 6 to 11 mph, with gusts as high as 23 mph.
Sunday
A slight chance of snow before 8am, then rain likely between 8am and 3pm, then snow likely after 3pm. Cloudy, with a high near 40. Southwest wind 6 to 9 mph becoming north in the afternoon. Chance of precipitation is 70%. Little or no snow accumulation expected.
Sunday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 28. North wind 7 to 10 mph becoming west after midnight. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
M.L.King Day
Mostly sunny, with a high near 36. West wind 11 to 18 mph, with gusts as high as 28 mph.
Monday Night
Mostly cloudy, with a low around 20. West wind around 18 mph, with gusts as high as 39 mph.
Tuesday
Mostly sunny, with a high near 27. West wind around 16 mph, with gusts as high as 31 mph.
Tuesday Night
Partly cloudy, with a low around 17. West wind around 15 mph, with gusts as high as 28 mph.
Wednesday
Partly sunny, with a high near 36. Southwest wind around 15 mph.
Wednesday Night
A chance of snow showers. Mostly cloudy, with a low around 28. Southwest wind 10 to 13 mph. Chance of precipitation is 30%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 39. Southwest wind 13 to 15 mph. Chance of precipitation is 30%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 25. Northwest wind around 11 mph. Chance of precipitation is 30%.
Friday
A chance of snow showers. Mostly sunny, with a high near 34. Northwest wind 11 to 13 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
Last Update:
3:43 pm EST Jan 16, 2026
Forecast Valid:
6pm EST Jan 16, 2026-6pm EST Jan 23, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation