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.

Fog/Mist

33°F

1°C

Humidity 92%
Wind Speed W 3 mph
Barometer NA
Dewpoint 31°F (-1°C)
Visibility 5.00 mi
Last update 18 Jan 2:53 am EST
Extended Forecast for

Nantucket Memorial Airport MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 33. West wind 3 to 5 mph.

    Low: 33 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow before 11am, then rain. Patchy fog after 10am. High near 40. Light and variable wind becoming northeast 5 to 10 mph in the morning. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow and
    Patchy Fog
    then Rain and
    Patchy Fog

  • Sunday Night

    Sunday Night: Rain before midnight, then snow. Patchy fog. Low around 29. Northeast wind around 11 mph becoming northwest after midnight. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain and
    Patchy Fog
    then Snow and
    Patchy Fog

  • M.L.King Day

    M.L.King Day: A chance of snow before 7am, then a chance of snow showers between 7am and 10am. Partly sunny, with a high near 37. Breezy, with a west wind 11 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 37 °F

    Chance Snow
    then Partly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 23. Breezy, with a west wind 16 to 22 mph, with gusts as high as 34 mph.

    Low: 23 °F

    Mostly Cloudy
    and Breezy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 28. Breezy, with a west wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon.

    High: 28 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 18. Northwest wind 9 to 18 mph.

    Low: 18 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. West wind 8 to 15 mph becoming southwest in the afternoon.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32. Southwest wind around 15 mph.

    Low: 32 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 33. West wind 3 to 5 mph.
Sunday
Snow before 11am, then rain. Patchy fog after 10am. High near 40. Light and variable wind becoming northeast 5 to 10 mph in the morning. Chance of precipitation is 100%. Little or no snow accumulation expected.
Sunday Night
Rain before midnight, then snow. Patchy fog. Low around 29. Northeast wind around 11 mph becoming northwest after midnight. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
M.L.King Day
A chance of snow before 7am, then a chance of snow showers between 7am and 10am. Partly sunny, with a high near 37. Breezy, with a west wind 11 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday Night
Mostly cloudy, with a low around 23. Breezy, with a west wind 16 to 22 mph, with gusts as high as 34 mph.
Tuesday
Mostly sunny, with a high near 28. Breezy, with a west wind 11 to 16 mph increasing to 18 to 23 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 18. Northwest wind 9 to 18 mph.
Wednesday
Mostly sunny, with a high near 38. West wind 8 to 15 mph becoming southwest in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 32. Southwest wind around 15 mph.
Thursday
A chance of showers before noon. Partly sunny, with a high near 40. Southwest wind 14 to 18 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 23. Northwest wind 15 to 17 mph.
Friday
Mostly sunny, with a high near 35. West wind 11 to 14 mph.
Friday Night
Mostly cloudy, with a low around 26. Southwest wind around 11 mph.
Saturday
A chance of rain and snow showers. Mostly cloudy, with a high near 37. Southwest wind 11 to 15 mph. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.25°N 70.06°W (Elev. 0 ft)
Last Update:
2:21 am EST Jan 18, 2026
Forecast Valid:
3am EST Jan 18, 2026-6pm EST Jan 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation