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

45°F

7°C

Humidity 97%
Wind Speed Calm
Barometer 30.21 in (1023.1 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 1 Sep 12:53 am EDT
Extended Forecast for

Chilmark MA

  • Overnight

    Overnight: Partly cloudy, with a low around 58. Northeast wind around 6 mph.

    Low: 58 °F

    Partly Cloudy

  • Labor Day

    Labor Day: Partly sunny, with a high near 71. East wind 10 to 13 mph.

    High: 71 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 59. Northeast wind 8 to 10 mph.

    Low: 59 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 72. Northeast wind around 10 mph.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 57. East wind around 6 mph becoming west after midnight.

    Low: 57 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 73. West wind 6 to 10 mph becoming southwest in the afternoon.

    High: 73 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60. Southwest wind 6 to 8 mph.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74. South wind 6 to 11 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62. South wind around 10 mph.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 58. Northeast wind around 6 mph.
Labor Day
Partly sunny, with a high near 71. East wind 10 to 13 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 59. Northeast wind 8 to 10 mph.
Tuesday
Sunny, with a high near 72. Northeast wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 57. East wind around 6 mph becoming west after midnight.
Wednesday
Sunny, with a high near 73. West wind 6 to 10 mph becoming southwest in the afternoon.
Wednesday Night
Mostly clear, with a low around 60. Southwest wind 6 to 8 mph.
Thursday
Sunny, with a high near 74. South wind 6 to 11 mph.
Thursday Night
Partly cloudy, with a low around 62. South wind around 10 mph.
Friday
A chance of showers after 7am. Partly sunny, with a high near 76. South wind 10 to 14 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers. Partly cloudy, with a low around 62. Southwest wind around 11 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 76. South wind 10 to 14 mph.
Saturday Night
Partly cloudy, with a low around 59. Southwest wind around 10 mph.
Sunday
Mostly sunny, with a high near 74. West wind around 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chilmark MA
 41.34°N 70.75°W (Elev. 79 ft)
Last Update:
1:29 am EDT Sep 1, 2025
Forecast Valid:
2am EDT Sep 1, 2025-6pm EDT Sep 7, 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