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

Marthas Vineyard Airport (KMVY)

Lat: 41.39°NLon: 70.62°WElev: 59ft.

Fair

74°F

23°C

Humidity 56%
Wind Speed N 8 mph
Barometer 30.14 in (1020.6 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 15 Aug 9:53 am EDT
Extended Forecast for

Aquinnah MA

  • Today

    Today: Mostly sunny, with a high near 80. North wind 5 to 9 mph becoming calm in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 56. Southwest wind 3 to 5 mph.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79. Light and variable wind becoming south 8 to 13 mph in the morning.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers, mainly after midnight. Increasing clouds, with a low around 68. South wind 11 to 16 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 77. Breezy, with a southeast wind 15 to 21 mph. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely and
    Breezy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67. North wind around 10 mph.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76. North wind 7 to 10 mph.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67. Southwest wind around 6 mph.

    Low: 67 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. South wind 6 to 11 mph.

    High: 78 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 80. North wind 5 to 9 mph becoming calm in the afternoon.
Tonight
Mostly clear, with a low around 56. Southwest wind 3 to 5 mph.
Sunday
Sunny, with a high near 79. Light and variable wind becoming south 8 to 13 mph in the morning.
Sunday Night
A chance of showers, mainly after midnight. Increasing clouds, with a low around 68. South wind 11 to 16 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 77. Breezy, with a southeast wind 15 to 21 mph. Chance of precipitation is 70%.
Monday Night
Partly cloudy, with a low around 67. North wind around 10 mph.
Tuesday
Mostly sunny, with a high near 76. North wind 7 to 10 mph.
Tuesday Night
Mostly clear, with a low around 67. Southwest wind around 6 mph.
Wednesday
Sunny, with a high near 78. South wind 6 to 11 mph.
Wednesday Night
Mostly clear, with a low around 70. South wind around 11 mph.
Thursday
A chance of showers. Mostly sunny, with a high near 78. Southwest wind 11 to 15 mph. Chance of precipitation is 30%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 66. West wind around 11 mph becoming north after midnight. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 75. North wind 11 to 14 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Aquinnah MA
 41.35°N 70.81°W (Elev. 3 ft)
Last Update:
6:32 am EDT Aug 15, 2026
Forecast Valid:
10am EDT Aug 15, 2026-6pm EDT Aug 21, 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