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

79°F

26°C

Humidity 72%
Wind Speed S 15 mph
Barometer 30.08 in (1018.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 27 Aug 2:53 pm EDT
Extended Forecast for

Chilmark MA

  • Tonight

    Tonight: A chance of showers, mainly between 9pm and midnight. Mostly cloudy, with a low around 70. South wind 7 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 70 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 77. South wind 3 to 7 mph.

    High: 77 °F

    Partly Sunny

  • Friday Night

    Friday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 67. Southwest wind around 7 mph becoming northwest after midnight.

    Low: 67 °F

    Patchy Fog

  • Saturday

    Saturday: Partly sunny, with a high near 76. North wind 6 to 11 mph.

    High: 76 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. South wind around 6 mph becoming southwest after midnight.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 77. Southwest wind 6 to 14 mph.

    High: 77 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 68. Southwest wind around 11 mph.

    Low: 68 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 77. Southwest wind around 8 mph.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers after 10pm. Mostly cloudy, with a low around 67. Southeast wind around 7 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers, mainly between 9pm and midnight. Mostly cloudy, with a low around 70. South wind 7 to 11 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Partly sunny, with a high near 77. South wind 3 to 7 mph.
Friday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 67. Southwest wind around 7 mph becoming northwest after midnight.
Saturday
Partly sunny, with a high near 76. North wind 6 to 11 mph.
Saturday Night
Mostly clear, with a low around 56. South wind around 6 mph becoming southwest after midnight.
Sunday
Sunny, with a high near 77. Southwest wind 6 to 14 mph.
Sunday Night
Partly cloudy, with a low around 68. Southwest wind around 11 mph.
Monday
Partly sunny, with a high near 77. Southwest wind around 8 mph.
Monday Night
A chance of showers after 10pm. Mostly cloudy, with a low around 67. Southeast wind around 7 mph. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 76. East wind 7 to 10 mph.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 66. East wind 8 to 10 mph. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 76. Southeast wind 10 to 13 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 66. South wind around 11 mph becoming east after midnight. Chance of precipitation is 40%.
Thursday
Partly sunny, with a high near 76. North wind around 11 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chilmark MA
 41.37°N 70.75°W (Elev. 299 ft)
Last Update:
2:36 pm EDT Aug 27, 2026
Forecast Valid:
3pm EDT Aug 27, 2026-6pm EDT Sep 3, 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