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

61°F

16°C

Humidity 100%
Wind Speed W 5 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 20 Aug 4:53 am EDT
Extended Forecast for

Aquinnah MA

  • Today

    Today: Mostly sunny, with a high near 78. Southwest wind 3 to 8 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 1am. Patchy fog before 3am, then patchy fog after 4am. Otherwise, increasing clouds, with a low around 67. West wind around 5 mph becoming light and variable. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Chance
    Showers then
    Showers
    Likely and
    Patchy Fog

  • Friday

    Friday: A chance of showers. Mostly cloudy, with a high near 75. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.

    High: 75 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after midnight. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 67. East wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 67 °F

    Showers
    Likely and
    Patchy Fog

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 1pm, then showers between 1pm and 2pm, then showers and possibly a thunderstorm after 2pm. High near 75. Northeast wind 11 to 13 mph. Chance of precipitation is 90%.

    High: 75 °F

    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. South wind around 8 mph. Chance of precipitation is 70%.

    Low: 69 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers before 2pm. Mostly cloudy, with a high near 77. Southwest wind around 9 mph. Chance of precipitation is 50%.

    High: 77 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 69. Southwest wind 9 to 11 mph.

    Low: 69 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. West wind 9 to 14 mph.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 78. Southwest wind 3 to 8 mph.
Tonight
Showers likely, mainly after 1am. Patchy fog before 3am, then patchy fog after 4am. Otherwise, increasing clouds, with a low around 67. West wind around 5 mph becoming light and variable. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A chance of showers. Mostly cloudy, with a high near 75. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Showers likely, mainly after midnight. Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 67. East wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers and possibly a thunderstorm before 1pm, then showers between 1pm and 2pm, then showers and possibly a thunderstorm after 2pm. High near 75. Northeast wind 11 to 13 mph. Chance of precipitation is 90%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. South wind around 8 mph. Chance of precipitation is 70%.
Sunday
A chance of showers before 2pm. Mostly cloudy, with a high near 77. Southwest wind around 9 mph. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, with a low around 69. Southwest wind 9 to 11 mph.
Monday
Mostly sunny, with a high near 76. West wind 9 to 14 mph.
Monday Night
Mostly clear, with a low around 66. Southwest wind 10 to 15 mph.
Tuesday
Sunny, with a high near 75. Southwest wind 10 to 15 mph.
Tuesday Night
Mostly clear, with a low around 67. Southwest wind 10 to 15 mph.
Wednesday
Sunny, with a high near 75. Southwest wind 8 to 14 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Aquinnah MA
 41.33°N 70.81°W (Elev. 33 ft)
Last Update:
2:31 am EDT Aug 20, 2026
Forecast Valid:
5am EDT Aug 20, 2026-6pm EDT Aug 26, 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