National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Nantucket, Nantucket Memorial Airport (KACK)

Lat: 41.25°NLon: 70.06°WElev: 46ft.

Fair

57°F

14°C

Humidity 78%
Wind Speed Calm
Barometer 30.13 in (1020.2 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 3 Aug 11:53 pm EDT
Extended Forecast for

Nantucket MA

  • Overnight

    Overnight: Mostly clear, with a low around 60. Light south wind.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78. Calm wind becoming south around 6 mph in the afternoon.

    High: 78 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. South wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78. East wind 6 to 9 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. Northeast wind around 6 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 75. East wind 9 to 11 mph.

    High: 75 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 64. East wind 6 to 8 mph.

    Low: 64 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 75. East wind 9 to 11 mph.

    High: 75 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 63. East wind around 7 mph.

    Low: 63 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 60. Light south wind.
Monday
Sunny, with a high near 78. Calm wind becoming south around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 66. South wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 78. East wind 6 to 9 mph.
Tuesday Night
Partly cloudy, with a low around 64. Northeast wind around 6 mph.
Wednesday
Partly sunny, with a high near 75. East wind 9 to 11 mph.
Wednesday Night
Mostly cloudy, with a low around 64. East wind 6 to 8 mph.
Thursday
Partly sunny, with a high near 75. East wind 9 to 11 mph.
Thursday Night
Partly cloudy, with a low around 63. East wind around 7 mph.
Friday
Sunny, with a high near 75. East wind 8 to 10 mph.
Friday Night
Partly cloudy, with a low around 65. Southeast wind around 7 mph.
Saturday
Sunny, with a high near 77. Southeast wind 8 to 10 mph.
Saturday Night
Partly cloudy, with a low around 67. South wind around 7 mph.
Sunday
Sunny, with a high near 79. South wind 7 to 10 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:
11:56 pm EDT Aug 3, 2025
Forecast Valid:
12am EDT Aug 4, 2025-6pm EDT Aug 10, 2025
 
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