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

36°F

2°C

Humidity 67%
Wind Speed SW 9 mph
Barometer 30.22 in (1023.3 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 19 Mar 10:53 pm EDT
Extended Forecast for

Nantucket Memorial Airport MA

  • Tonight

    Tonight: Cloudy early, then clearing, with a low around 33. Southwest wind 6 to 8 mph.

    Low: 33 °F

    Clearing

  • Friday

    Friday: Mostly sunny through mid morning, then becoming cloudy, with a high near 46. West wind 8 to 14 mph becoming south in the afternoon.

    High: 46 °F

    Becoming
    Cloudy

  • Friday Night

    Friday Night: Rain likely, mainly after 2am. Cloudy, with a low around 39. South wind around 16 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Slight Chance
    Rain then
    Rain Likely

  • Saturday

    Saturday: A chance of rain before 8am. Cloudy through mid morning, then gradual clearing, with a high near 46. West wind 11 to 13 mph becoming north in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 46 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 36. Northeast wind around 8 mph becoming west after midnight.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 46. South wind 10 to 13 mph.

    High: 46 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain likely, mainly after 5am. Mostly cloudy, with a low around 38. South wind 10 to 14 mph. Chance of precipitation is 60%.

    Low: 38 °F

    Rain Likely

  • Monday

    Monday: A chance of rain before 2pm. Mostly cloudy, with a high near 45. North wind 14 to 18 mph. Chance of precipitation is 40%.

    High: 45 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. Northwest wind around 15 mph.

    Low: 29 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy early, then clearing, with a low around 33. Southwest wind 6 to 8 mph.
Friday
Mostly sunny through mid morning, then becoming cloudy, with a high near 46. West wind 8 to 14 mph becoming south in the afternoon.
Friday Night
Rain likely, mainly after 2am. Cloudy, with a low around 39. South wind around 16 mph, with gusts as high as 31 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A chance of rain before 8am. Cloudy through mid morning, then gradual clearing, with a high near 46. West wind 11 to 13 mph becoming north in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, with a low around 36. Northeast wind around 8 mph becoming west after midnight.
Sunday
Mostly cloudy, with a high near 46. South wind 10 to 13 mph.
Sunday Night
Rain likely, mainly after 5am. Mostly cloudy, with a low around 38. South wind 10 to 14 mph. Chance of precipitation is 60%.
Monday
A chance of rain before 2pm. Mostly cloudy, with a high near 45. North wind 14 to 18 mph. Chance of precipitation is 40%.
Monday Night
Mostly cloudy, with a low around 29. Northwest wind around 15 mph.
Tuesday
Mostly sunny, with a high near 39. North wind 11 to 14 mph.
Tuesday Night
Mostly cloudy, with a low around 30. Southwest wind 9 to 11 mph.
Wednesday
A chance of rain. Partly sunny, with a high near 43. Southwest wind 13 to 16 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 33. Southwest wind 11 to 13 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 45. East wind 13 to 16 mph becoming south in the afternoon.
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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:
3:55 pm EDT Mar 19, 2026
Forecast Valid:
11pm EDT Mar 19, 2026-6pm EDT Mar 26, 2026
 
Forecast Discussion
 
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