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.

Overcast

69°F

21°C

Humidity 96%
Wind Speed W 3 mph
Barometer 30.01 in (1016.3 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 18 Sep 6:53 am EDT
Extended Forecast for

2 Miles SSW Chilmark MA

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 74. West wind 6 to 11 mph becoming north in the afternoon.

    High: 74 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 58. North wind 6 to 11 mph increasing to 13 to 18 mph after midnight.

    Low: 58 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 65. Northeast wind 10 to 16 mph.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 57. East wind around 9 mph.

    Low: 57 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 67. Southeast wind around 11 mph. Chance of precipitation is 40%.

    High: 67 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, with thunderstorms also possible after 11pm. Some of the storms could produce heavy rainfall. Patchy fog after 1am. Low around 61. East wind 9 to 11 mph. Chance of precipitation is 80%.

    Low: 61 °F

    Heavy Rain
    and Patchy
    Fog

  • Monday

    Monday: Showers likely, mainly before 8am. The rain could be heavy at times. Mostly cloudy, with a high near 66. Breezy, with a northeast wind 16 to 21 mph. Chance of precipitation is 60%.

    High: 66 °F

    Heavy Rain
    and Breezy

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 59. Breezy, with a northeast wind 18 to 22 mph. Chance of precipitation is 40%.

    Low: 59 °F

    Chance
    Showers and
    Breezy

  • Tuesday

    Tuesday: A chance of showers. Mostly cloudy, with a high near 63. Windy, with a northeast wind 26 to 28 mph. Chance of precipitation is 40%.

    High: 63 °F

    Chance
    Showers and
    Windy

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 74. West wind 6 to 11 mph becoming north in the afternoon.
Tonight
Partly cloudy, with a low around 58. North wind 6 to 11 mph increasing to 13 to 18 mph after midnight.
Saturday
Mostly sunny, with a high near 65. Northeast wind 10 to 16 mph.
Saturday Night
Partly cloudy, with a low around 57. East wind around 9 mph.
Sunday
A chance of showers, mainly after 1pm. Mostly cloudy, with a high near 67. Southeast wind around 11 mph. Chance of precipitation is 40%.
Sunday Night
Showers, with thunderstorms also possible after 11pm. Some of the storms could produce heavy rainfall. Patchy fog after 1am. Low around 61. East wind 9 to 11 mph. Chance of precipitation is 80%.
Monday
Showers likely, mainly before 8am. The rain could be heavy at times. Mostly cloudy, with a high near 66. Breezy, with a northeast wind 16 to 21 mph. Chance of precipitation is 60%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 59. Breezy, with a northeast wind 18 to 22 mph. Chance of precipitation is 40%.
Tuesday
A chance of showers. Mostly cloudy, with a high near 63. Windy, with a northeast wind 26 to 28 mph. Chance of precipitation is 40%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 57. Windy, with a northeast wind 28 to 30 mph. Chance of precipitation is 30%.
Wednesday
Partly sunny, with a high near 63. Windy, with a northeast wind 31 to 33 mph, with gusts as high as 43 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 58. Windy, with a northeast wind 30 to 32 mph. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 64. Windy, with a northeast wind 29 to 31 mph. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Chilmark MA
 41.3°N 70.76°W (Elev. 0 ft)
Last Update:
3:02 am EDT Sep 18, 2026
Forecast Valid:
7am EDT Sep 18, 2026-6pm EDT Sep 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation