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.

Overcast

42°F

6°C

Humidity 73%
Wind Speed W 15 G 24 mph
Barometer 30.05 in (1017.7 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 17 Jan 6:53 pm EST
Extended Forecast for

Nantucket MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 33. West wind 5 to 11 mph.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain before 4pm, then snow, possibly mixed with rain. High near 40. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 40 °F

    Chance Rain
    then
    Rain/Snow

  • Sunday Night

    Sunday Night: Snow, possibly mixed with rain before 2am, then a chance of snow between 2am and 4am. Low around 29. Northeast wind 6 to 10 mph becoming northwest after midnight. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

    Low: 29 °F

    Rain/Snow
    then Snow

  • M.L.King Day

    M.L.King Day: A slight chance of snow between 8am and 9am. Partly sunny, with a high near 36. West wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 36 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 25. Breezy, with a west wind 16 to 20 mph.

    Low: 25 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 29. West wind around 15 mph.

    High: 29 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 20. West wind 10 to 14 mph.

    Low: 20 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40. West wind 9 to 13 mph becoming southwest in the afternoon.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 33. Southwest wind around 14 mph.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 33. West wind 5 to 11 mph.
Sunday
Rain before 4pm, then snow, possibly mixed with rain. High near 40. Light and variable wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 100%. Little or no snow accumulation expected.
Sunday Night
Snow, possibly mixed with rain before 2am, then a chance of snow between 2am and 4am. Low around 29. Northeast wind 6 to 10 mph becoming northwest after midnight. Chance of precipitation is 100%. New snow accumulation of around an inch possible.
M.L.King Day
A slight chance of snow between 8am and 9am. Partly sunny, with a high near 36. West wind 10 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 25. Breezy, with a west wind 16 to 20 mph.
Tuesday
Mostly sunny, with a high near 29. West wind around 15 mph.
Tuesday Night
Partly cloudy, with a low around 20. West wind 10 to 14 mph.
Wednesday
Mostly sunny, with a high near 40. West wind 9 to 13 mph becoming southwest in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 33. Southwest wind around 14 mph.
Thursday
A chance of rain after noon. Mostly cloudy, with a high near 41. Southwest wind around 14 mph. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 24. West wind around 14 mph.
Friday
Mostly sunny, with a high near 35. West wind 11 to 13 mph.
Friday Night
Mostly cloudy, with a low around 26. West wind around 11 mph.
Saturday
A chance of rain and snow. Partly sunny, with a high near 35. West 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:
1:13 pm EST Jan 17, 2026
Forecast Valid:
7pm EST Jan 17, 2026-6pm EST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation