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.

Mostly Cloudy

38°F

3°C

Humidity 70%
Wind Speed E 16 mph
Barometer 29.92 in (1013.1 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 20 Feb 10:53 am EST
Extended Forecast for

Nantucket Memorial Airport MA

  • Today

    Today: Rain, mainly after 1pm. High near 40. East wind around 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 40 °F

    Rain

  • Tonight

    Tonight: Rain before 1am, then a chance of snow. Low around 29. East wind 10 to 15 mph becoming north after midnight. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 29 °F

    Rain then
    Chance
    Rain/Snow

  • Saturday

    Saturday: A slight chance of snow and freezing rain before 8am, then a slight chance of snow between 8am and 1pm. Mostly cloudy, with a high near 35. North wind 9 to 11 mph. Chance of precipitation is 20%.

    High: 35 °F

    Slight Chance
    Wintry Mix
    then Slight
    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27. North wind around 8 mph.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of snow after 3pm. Mostly cloudy, with a high near 36. Northeast wind 9 to 14 mph. Chance of precipitation is 20%.

    High: 36 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Sunday Night

    Sunday Night: Snow likely before 3am, then snow likely, possibly mixed with rain between 3am and 4am, then snow likely after 4am. Cloudy, with a low around 29. Blustery, with a northeast wind 15 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

    Low: 29 °F

    Chance Snow
    then
    Rain/Snow
    Likely and
    Blustery

  • Monday

    Monday: Snow likely before 8am, then snow likely, possibly mixed with rain between 8am and 9am, then snow likely after 9am. Cloudy, with a high near 34. Windy, with a northeast wind 23 to 29 mph, with gusts as high as 43 mph. Chance of precipitation is 70%.

    High: 34 °F

    Windy.
    Rain/Snow
    Likely then
    Snow Likely

  • Monday Night

    Monday Night: A chance of snow before 11pm. Mostly cloudy, with a low around 25. Blustery, with a north wind 14 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 40%.

    Low: 25 °F

    Chance Snow
    and Blustery
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33. Northwest wind 8 to 14 mph.

    High: 33 °F

    Mostly Sunny

Detailed Forecast

Today
Rain, mainly after 1pm. High near 40. East wind around 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain before 1am, then a chance of snow. Low around 29. East wind 10 to 15 mph becoming north after midnight. Chance of precipitation is 100%. Little or no snow accumulation expected.
Saturday
A slight chance of snow and freezing rain before 8am, then a slight chance of snow between 8am and 1pm. Mostly cloudy, with a high near 35. North wind 9 to 11 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 27. North wind around 8 mph.
Sunday
A slight chance of snow after 3pm. Mostly cloudy, with a high near 36. Northeast wind 9 to 14 mph. Chance of precipitation is 20%.
Sunday Night
Snow likely before 3am, then snow likely, possibly mixed with rain between 3am and 4am, then snow likely after 4am. Cloudy, with a low around 29. Blustery, with a northeast wind 15 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.
Monday
Snow likely before 8am, then snow likely, possibly mixed with rain between 8am and 9am, then snow likely after 9am. Cloudy, with a high near 34. Windy, with a northeast wind 23 to 29 mph, with gusts as high as 43 mph. Chance of precipitation is 70%.
Monday Night
A chance of snow before 11pm. Mostly cloudy, with a low around 25. Blustery, with a north wind 14 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 33. Northwest wind 8 to 14 mph.
Tuesday Night
Partly cloudy, with a low around 24. West wind around 9 mph.
Wednesday
Mostly cloudy, with a high near 39. South wind 7 to 14 mph.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 33. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Thursday
A chance of rain. Mostly cloudy, with a high near 41. Southwest wind 14 to 17 mph. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket Memorial Airport MA
 41.25°N 70.06°W (Elev. 0 ft)
Last Update:
7:35 am EST Feb 20, 2026
Forecast Valid:
11am EST Feb 20, 2026-6pm EST Feb 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation