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

44°F

7°C

Humidity 68%
Wind Speed S 15 mph
Barometer 30.15 in (1021.0 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 20 Mar 9:53 am EDT
Extended Forecast for

Chilmark MA

  • Today

    Today: Mostly sunny, with a high near 46. West wind 6 to 15 mph becoming south in the afternoon.

    High: 46 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers. Low around 38. Breezy, with a south wind 15 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Showers and
    Breezy

  • Saturday

    Saturday: A chance of showers before 8am. Mostly sunny, with a high near 48. Northwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 35. North wind 6 to 10 mph.

    Low: 35 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain after 1pm. Mostly cloudy, with a high near 45. South wind 8 to 13 mph. Chance of precipitation is 20%.

    High: 45 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 3am. Cloudy, with a low around 36. Southwest wind 10 to 13 mph becoming north after midnight. Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely

  • Monday

    Monday: Rain likely, mainly before 8am. Mostly cloudy, with a high near 44. North wind around 15 mph. Chance of precipitation is 60%.

    High: 44 °F

    Rain Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. North wind around 14 mph.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 40. North wind 10 to 13 mph.

    High: 40 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 46. West wind 6 to 15 mph becoming south in the afternoon.
Tonight
Showers. Low around 38. Breezy, with a south wind 15 to 22 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A chance of showers before 8am. Mostly sunny, with a high near 48. Northwest wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, with a low around 35. North wind 6 to 10 mph.
Sunday
A slight chance of rain after 1pm. Mostly cloudy, with a high near 45. South wind 8 to 13 mph. Chance of precipitation is 20%.
Sunday Night
Rain likely, mainly after 3am. Cloudy, with a low around 36. Southwest wind 10 to 13 mph becoming north after midnight. Chance of precipitation is 60%.
Monday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 44. North wind around 15 mph. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 29. North wind around 14 mph.
Tuesday
Sunny, with a high near 40. North wind 10 to 13 mph.
Tuesday Night
Partly cloudy, with a low around 32. Southwest wind around 10 mph.
Wednesday
Partly sunny, with a high near 44. Southwest wind 11 to 14 mph.
Wednesday Night
Mostly cloudy, with a low around 30. West wind 11 to 13 mph.
Thursday
A chance of rain. Partly sunny, with a high near 46. North wind around 14 mph becoming south in the morning. Chance of precipitation is 30%.
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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:
2:34 am EDT Mar 20, 2026
Forecast Valid:
10am EDT Mar 20, 2026-6pm EDT Mar 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation