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

47°F

8°C

Humidity 46%
Wind Speed NW 10 mph
Barometer 30.13 in (1020.2 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 20 Apr 8:53 am EDT
Extended Forecast for

5 Miles W Nantucket MA

  • Today

    Today: Increasing clouds, with a high near 50. West wind 10 to 14 mph.

    High: 50 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A slight chance of rain before 3am. Mostly cloudy, with a low around 37. West wind 9 to 16 mph becoming north after midnight. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Rain

  • Tuesday

    Tuesday: Mostly sunny, with a high near 47. North wind 8 to 14 mph.

    High: 47 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40. Southeast wind 6 to 8 mph becoming southwest after midnight.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers, mainly between 11am and noon. Mostly cloudy, with a high near 49. South wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 49 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43. East wind 8 to 10 mph.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 52. Northeast wind around 9 mph becoming northwest in the afternoon.

    High: 52 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 43. West wind 7 to 9 mph.

    Low: 43 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 51. Northeast wind 9 to 11 mph.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 50. West wind 10 to 14 mph.
Tonight
A slight chance of rain before 3am. Mostly cloudy, with a low around 37. West wind 9 to 16 mph becoming north after midnight. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 47. North wind 8 to 14 mph.
Tuesday Night
Partly cloudy, with a low around 40. Southeast wind 6 to 8 mph becoming southwest after midnight.
Wednesday
A chance of showers, mainly between 11am and noon. Mostly cloudy, with a high near 49. South wind 10 to 15 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly cloudy, with a low around 43. East wind 8 to 10 mph.
Thursday
Partly sunny, with a high near 52. Northeast wind around 9 mph becoming northwest in the afternoon.
Thursday Night
Mostly cloudy, with a low around 43. West wind 7 to 9 mph.
Friday
Mostly sunny, with a high near 51. Northeast wind 9 to 11 mph.
Friday Night
Partly cloudy, with a low around 43. North wind around 8 mph.
Saturday
Mostly sunny, with a high near 50. Northeast wind around 10 mph.
Saturday Night
Mostly cloudy, with a low around 43. East wind around 8 mph.
Sunday
A chance of showers. Partly sunny, with a high near 52. East wind around 11 mph. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Nantucket MA
 41.29°N 70.2°W (Elev. 0 ft)
Last Update:
2:29 am EDT Apr 20, 2026
Forecast Valid:
9am EDT Apr 20, 2026-6pm EDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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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