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

42°F

6°C

Humidity 65%
Wind Speed SE 13 mph
Barometer 30.63 in (1037.3 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 9 Apr 12:53 pm EDT
Extended Forecast for

Nantucket MA

  • This Afternoon

    This Afternoon: Sunny, with a high near 47. Southeast wind around 11 mph.

    High: 47 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, partly cloudy, with a low around 35. Southeast wind 6 to 8 mph.

    Low: 35 °F

    Partly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 48. Southwest wind 7 to 15 mph.

    High: 48 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Scattered showers after 3am. Mostly cloudy, with a low around 43. Southwest wind 10 to 14 mph. Chance of precipitation is 30%.

    Low: 43 °F

    Partly Cloudy
    then
    Scattered
    Showers

  • Saturday

    Saturday: Scattered showers, mainly before 9am. Mostly sunny, with a high near 51. West wind 9 to 11 mph becoming north in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 30%.

    High: 51 °F

    Scattered
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41. North wind around 6 mph.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 48. North wind around 6 mph becoming south in the afternoon.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43. South wind 8 to 13 mph.

    Low: 43 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 53. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 31 mph.

    High: 53 °F

    Mostly Cloudy
    and Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 47. Southeast wind around 11 mph.
Tonight
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 35. Southeast wind 6 to 8 mph.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 48. Southwest wind 7 to 15 mph.
Friday Night
Scattered showers after 3am. Mostly cloudy, with a low around 43. Southwest wind 10 to 14 mph. Chance of precipitation is 30%.
Saturday
Scattered showers, mainly before 9am. Mostly sunny, with a high near 51. West wind 9 to 11 mph becoming north in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 41. North wind around 6 mph.
Sunday
Sunny, with a high near 48. North wind around 6 mph becoming south in the afternoon.
Sunday Night
Mostly cloudy, with a low around 43. South wind 8 to 13 mph.
Monday
Mostly cloudy, with a high near 53. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 31 mph.
Monday Night
Mostly cloudy, with a low around 47. Breezy, with a southwest wind 17 to 20 mph.
Tuesday
Mostly sunny, with a high near 54. Southwest wind around 15 mph.
Tuesday Night
Mostly cloudy, with a low around 48. Southwest wind around 14 mph.
Wednesday
Partly sunny, with a high near 55. West wind 11 to 14 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
Last Update:
2:17 am EDT Apr 9, 2026
Forecast Valid:
1pm EDT Apr 9, 2026-6pm EDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation