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

48°F

9°C

Humidity 80%
Wind Speed SW 12 mph
Barometer 30.02 in (1016.7 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 10 Mar 1:53 pm EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 47. Southwest wind around 10 mph.

    High: 47 °F

    Mostly Cloudy

  • Tonight

    Tonight: Patchy fog. Otherwise, mostly cloudy, with a low around 38. Southwest wind around 7 mph.

    Low: 38 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 2pm. Otherwise, mostly cloudy, with a high near 48. South wind 5 to 9 mph.

    High: 48 °F

    Patchy Fog

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 8pm, then a slight chance of rain after midnight. Patchy fog after 7pm. Otherwise, mostly cloudy, with a low around 42. South wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    Low: 42 °F

    Patchy Fog
    then Slight
    Chance Rain
    and Patchy
    Fog

  • Thursday

    Thursday: Rain likely, mainly after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 49. Southwest wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    High: 49 °F

    Slight Chance
    Rain and
    Patchy Fog
    then Rain
    Likely

  • Thursday Night

    Thursday Night: A chance of rain, mainly before 8pm. Partly cloudy, with a low around 31. Northwest wind 11 to 14 mph. Chance of precipitation is 30%.

    Low: 31 °F

    Chance Rain
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 44. West wind 9 to 11 mph becoming southwest in the afternoon.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain after 2am. Mostly cloudy, with a low around 35. South wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.

    Low: 35 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A chance of rain before 7am. Sunny, with a high near 44. West wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.

    High: 44 °F

    Chance Rain
    then Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 47. Southwest wind around 10 mph.
Tonight
Patchy fog. Otherwise, mostly cloudy, with a low around 38. Southwest wind around 7 mph.
Wednesday
Patchy fog before 2pm. Otherwise, mostly cloudy, with a high near 48. South wind 5 to 9 mph.
Wednesday Night
A slight chance of rain before 8pm, then a slight chance of rain after midnight. Patchy fog after 7pm. Otherwise, mostly cloudy, with a low around 42. South wind 11 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Thursday
Rain likely, mainly after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 49. Southwest wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Thursday Night
A chance of rain, mainly before 8pm. Partly cloudy, with a low around 31. Northwest wind 11 to 14 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 44. West wind 9 to 11 mph becoming southwest in the afternoon.
Friday Night
A chance of rain after 2am. Mostly cloudy, with a low around 35. South wind 13 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 30%.
Saturday
A chance of rain before 7am. Sunny, with a high near 44. West wind 16 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 32. West wind 8 to 11 mph.
Sunday
Mostly cloudy, with a high near 46. North wind 7 to 11 mph becoming southeast in the afternoon.
Sunday Night
Rain likely. Cloudy, with a low around 39. Southeast wind 13 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 60%.
Monday
Rain. High near 51. Breezy, with a south wind 18 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 80%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.27°N 70.06°W (Elev. 49 ft)
Last Update:
1:25 pm EDT Mar 10, 2026
Forecast Valid:
2pm EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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