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

49°F

9°C

Humidity 80%
Wind Speed SW 16 mph
Barometer 30.13 in (1020.2 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 12 May 11:53 pm EDT
Extended Forecast for

Nantucket MA

  • Overnight

    Overnight: Partly cloudy, with a low around 50. Southwest wind around 10 mph.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 63. South wind 9 to 16 mph.

    High: 63 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 53. South wind 11 to 13 mph.

    Low: 53 °F

    Mostly Cloudy

  • Thursday

    Thursday: Showers, mainly after 10am. High near 63. East wind around 14 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 63 °F

    Showers

  • Thursday Night

    Thursday Night: Showers. Patchy fog before 9pm. Low around 50. Southeast wind 5 to 7 mph. Chance of precipitation is 80%.

    Low: 50 °F

    Showers and
    Patchy Fog

  • Friday

    Friday: Showers likely, mainly before noon. Mostly cloudy, with a high near 58. North wind 5 to 11 mph. Chance of precipitation is 60%.

    High: 58 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50. North wind around 7 mph.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 67. Southwest wind 9 to 15 mph.

    High: 67 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 54. Southwest wind 11 to 14 mph.

    Low: 54 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 50. Southwest wind around 10 mph.
Wednesday
Partly sunny, with a high near 63. South wind 9 to 16 mph.
Wednesday Night
Mostly cloudy, with a low around 53. South wind 11 to 13 mph.
Thursday
Showers, mainly after 10am. High near 63. East wind around 14 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Showers. Patchy fog before 9pm. Low around 50. Southeast wind 5 to 7 mph. Chance of precipitation is 80%.
Friday
Showers likely, mainly before noon. Mostly cloudy, with a high near 58. North wind 5 to 11 mph. Chance of precipitation is 60%.
Friday Night
Mostly cloudy, with a low around 50. North wind around 7 mph.
Saturday
Sunny, with a high near 67. Southwest wind 9 to 15 mph.
Saturday Night
Partly cloudy, with a low around 54. Southwest wind 11 to 14 mph.
Sunday
Sunny, with a high near 70. Southwest wind 10 to 13 mph.
Sunday Night
Partly cloudy, with a low around 54. West wind 5 to 8 mph.
Monday
Mostly sunny, with a high near 66. East wind 5 to 8 mph.
Monday Night
Mostly cloudy, with a low around 54. South wind around 6 mph.
Tuesday
Partly sunny, with a high near 69. Southwest wind 7 to 13 mph.
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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:
12:35 am EDT May 13, 2026
Forecast Valid:
12am EDT May 13, 2026-6pm EDT May 19, 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