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

68°F

20°C

Humidity 87%
Wind Speed SE 7 mph
Barometer 30.10 in (1019.0 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 13 Jul 6:53 pm EDT
Extended Forecast for

Chilmark MA

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 65. Southeast wind 3 to 8 mph.

    Low: 65 °F

    Patchy Fog

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 77. South wind 5 to 9 mph.

    High: 77 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: A slight chance of showers before 9pm, then a slight chance of thunderstorms after 5am. Patchy fog after 1am. Otherwise, increasing clouds, with a low around 69. Southwest wind around 9 mph. Chance of precipitation is 20%.

    Low: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms and
    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm. Mostly cloudy, with a high near 79. Southwest wind 8 to 10 mph. Chance of precipitation is 20%.

    High: 79 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 69. Southwest wind 8 to 10 mph.

    Low: 69 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 80. Southwest wind 8 to 11 mph.

    High: 80 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 70. Southwest wind around 10 mph.

    Low: 70 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 81. Southwest wind 10 to 15 mph.

    High: 81 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 71. Southwest wind around 14 mph.

    Low: 71 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 65. Southeast wind 3 to 8 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 77. South wind 5 to 9 mph.
Monday Night
A slight chance of showers before 9pm, then a slight chance of thunderstorms after 5am. Patchy fog after 1am. Otherwise, increasing clouds, with a low around 69. Southwest wind around 9 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm. Mostly cloudy, with a high near 79. Southwest wind 8 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 69. Southwest wind 8 to 10 mph.
Wednesday
Partly sunny, with a high near 80. Southwest wind 8 to 11 mph.
Wednesday Night
Mostly cloudy, with a low around 70. Southwest wind around 10 mph.
Thursday
Partly sunny, with a high near 81. Southwest wind 10 to 15 mph.
Thursday Night
Mostly cloudy, with a low around 71. Southwest wind around 14 mph.
Friday
Mostly sunny, with a high near 82. Southwest wind 11 to 14 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 69. West wind around 11 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 81. North wind 9 to 11 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 67. South wind 7 to 9 mph becoming northwest after midnight.
Sunday
Partly sunny, with a high near 80. North wind 8 to 10 mph becoming south in the afternoon.
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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:
6:05 pm EDT Jul 13, 2025
Forecast Valid:
7pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025
 
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