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

40°F

4°C

Humidity 93%
Wind Speed S 15 mph
Barometer 30.30 in (1025.8 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 25 Mar 8:53 pm EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. South wind 8 to 11 mph.

    Low: 38 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of rain before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 51. Southwest wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 3am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 39. Southwest wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Chance Rain
    then Rain
    Likely and
    Patchy Fog

  • Friday

    Friday: Rain, mainly before 2pm. Patchy fog before 9am. High near 48. West wind 11 to 15 mph becoming north in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain and
    Patchy Fog

  • Friday Night

    Friday Night: A slight chance of rain and snow before 10pm. Mostly cloudy, with a low around 30. Northeast wind 9 to 11 mph. Chance of precipitation is 20%.

    Low: 30 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 36. North wind 10 to 13 mph.

    High: 36 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28. Northeast wind 5 to 7 mph becoming northwest in the evening.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 41. West wind 9 to 14 mph.

    High: 41 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. Southwest wind around 11 mph.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 38. South wind 8 to 11 mph.
Thursday
A slight chance of rain before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 51. Southwest wind 15 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Thursday Night
Rain likely, mainly after 3am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 39. Southwest wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain, mainly before 2pm. Patchy fog before 9am. High near 48. West wind 11 to 15 mph becoming north in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A slight chance of rain and snow before 10pm. Mostly cloudy, with a low around 30. Northeast wind 9 to 11 mph. Chance of precipitation is 20%.
Saturday
Partly sunny, with a high near 36. North wind 10 to 13 mph.
Saturday Night
Partly cloudy, with a low around 28. Northeast wind 5 to 7 mph becoming northwest in the evening.
Sunday
Sunny, with a high near 41. West wind 9 to 14 mph.
Sunday Night
Partly cloudy, with a low around 34. Southwest wind around 11 mph.
Monday
Mostly cloudy, with a high near 47. Breezy, with a southwest wind 14 to 21 mph.
Monday Night
Mostly cloudy, with a low around 38. Southwest wind 15 to 18 mph, with gusts as high as 30 mph.
Tuesday
Partly sunny, with a high near 45. Northwest wind 11 to 14 mph becoming northeast in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 36. East wind around 11 mph.
Wednesday
A chance of rain. Mostly cloudy, with a high near 45. Southeast wind 13 to 15 mph. Chance of precipitation is 30%.
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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:
4:35 pm EDT Mar 25, 2026
Forecast Valid:
9pm EDT Mar 25, 2026-6pm EDT Apr 1, 2026
 
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