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

33°F

1°C

Humidity 61%
Wind Speed N 9 mph
Barometer 30.18 in (1022.1 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 28 Mar 3:53 am EDT
Extended Forecast for

Nantucket MA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 37. North wind 11 to 14 mph.

    High: 37 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 29. East wind 5 to 13 mph becoming west in the evening.

    Low: 29 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 44. Northwest wind 8 to 15 mph becoming southwest in the afternoon.

    High: 44 °F

    Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 38. Southwest wind around 13 mph.

    Low: 38 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 48. Southwest wind 14 to 17 mph.

    High: 48 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 42. Southwest wind 9 to 11 mph.

    Low: 42 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 51. Southwest wind 10 to 16 mph.

    High: 51 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45. Breezy, with a southwest wind around 22 mph, with gusts as high as 32 mph.

    Low: 45 °F

    Partly Cloudy
    and Breezy

  • Wednesday

    Wednesday: A chance of rain after 3pm. Mostly sunny, with a high near 52. Breezy, with a southwest wind 21 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.

    High: 52 °F

    Breezy.
    Mostly Sunny
    then Chance
    Rain

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 37. North wind 11 to 14 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 29. East wind 5 to 13 mph becoming west in the evening.
Sunday
Sunny, with a high near 44. Northwest wind 8 to 15 mph becoming southwest in the afternoon.
Sunday Night
Increasing clouds, with a low around 38. Southwest wind around 13 mph.
Monday
Mostly cloudy, with a high near 48. Southwest wind 14 to 17 mph.
Monday Night
Mostly cloudy, with a low around 42. Southwest wind 9 to 11 mph.
Tuesday
Partly sunny, with a high near 51. Southwest wind 10 to 16 mph.
Tuesday Night
Partly cloudy, with a low around 45. Breezy, with a southwest wind around 22 mph, with gusts as high as 32 mph.
Wednesday
A chance of rain after 3pm. Mostly sunny, with a high near 52. Breezy, with a southwest wind 21 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 30%.
Wednesday Night
Rain likely, mainly after 9pm. Mostly cloudy, with a low around 37. Southwest wind 14 to 16 mph becoming north after midnight. Chance of precipitation is 70%.
Thursday
Rain and snow likely. Mostly cloudy, with a high near 44. Northeast wind around 17 mph. Chance of precipitation is 60%.
Thursday Night
A chance of rain. Cloudy, with a low around 35. Northeast wind 14 to 16 mph. Chance of precipitation is 30%.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 43. East wind around 18 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Nantucket MA
 41.28°N 70.12°W (Elev. 49 ft)
Last Update:
3:13 am EDT Mar 28, 2026
Forecast Valid:
4am EDT Mar 28, 2026-6pm EDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation