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

59°F

15°C

Humidity 64%
Wind Speed SW 9 mph
Barometer 30.02 in (1016.5 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 11 Mar 10:53 am EDT
Extended Forecast for

Chilmark MA

  • Today

    Today: Patchy fog. Otherwise, mostly cloudy, with a high near 46. South wind 6 to 10 mph.

    High: 46 °F

    Patchy Fog

  • Tonight

    Tonight: A chance of rain, with thunderstorms also possible after 11pm. Patchy dense fog. Otherwise, mostly cloudy, with a low around 46. Breezy, with a south wind 16 to 23 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Chance Rain
    and Patchy
    Dense Fog

  • Thursday

    Thursday: Rain, mainly after 10am. Patchy fog before 1pm. Temperature falling to around 36 by 5pm. Breezy, with a southwest wind 15 to 22 mph becoming west in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F⇓

    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: Snow likely, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 31. West wind 15 to 17 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 31 °F

    Snow Likely
    then Mostly
    Clear

  • Friday

    Friday: Mostly sunny, with a high near 42. West wind 10 to 15 mph becoming southwest in the afternoon.

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 36. Breezy, with a south wind 17 to 23 mph. Chance of precipitation is 30%.

    Low: 36 °F

    Chance Rain
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 43. Breezy, with a west wind 20 to 23 mph.

    High: 43 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. Northwest wind 10 to 16 mph.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 44. North wind 7 to 11 mph becoming southeast in the afternoon.

    High: 44 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy fog. Otherwise, mostly cloudy, with a high near 46. South wind 6 to 10 mph.
Tonight
A chance of rain, with thunderstorms also possible after 11pm. Patchy dense fog. Otherwise, mostly cloudy, with a low around 46. Breezy, with a south wind 16 to 23 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain, mainly after 10am. Patchy fog before 1pm. Temperature falling to around 36 by 5pm. Breezy, with a southwest wind 15 to 22 mph becoming west in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Snow likely, mainly before 8pm. Cloudy during the early evening, then gradual clearing, with a low around 31. West wind 15 to 17 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday
Mostly sunny, with a high near 42. West wind 10 to 15 mph becoming southwest in the afternoon.
Friday Night
A chance of rain. Mostly cloudy, with a low around 36. Breezy, with a south wind 17 to 23 mph. Chance of precipitation is 30%.
Saturday
Sunny, with a high near 43. Breezy, with a west wind 20 to 23 mph.
Saturday Night
Partly cloudy, with a low around 30. Northwest wind 10 to 16 mph.
Sunday
Mostly cloudy, with a high near 44. North wind 7 to 11 mph becoming southeast in the afternoon.
Sunday Night
Rain likely, mainly after 4am. Cloudy, with a low around 37. Windy, with a southeast wind 17 to 22 mph increasing to 23 to 28 mph after midnight. Chance of precipitation is 60%.
Monday
Rain. High near 51. Windy, with a south wind 28 to 30 mph, with gusts as high as 41 mph. Chance of precipitation is 90%.
Monday Night
A chance of rain. Mostly cloudy, with a low around 31. Windy, with a west wind 23 to 26 mph. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 39. Breezy, with a west wind 16 to 21 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Chilmark MA
 41.37°N 70.75°W (Elev. 299 ft)
Last Update:
7:06 am EDT Mar 11, 2026
Forecast Valid:
11am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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