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

70°F

21°C

Humidity 57%
Wind Speed W 7 mph
Barometer 29.90 in (1012.5 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 15 Apr 8:53 am EDT
Extended Forecast for

Chilmark MA

  • Today

    Today: Partly sunny, with a high near 59. West wind 6 to 8 mph becoming south in the afternoon.

    High: 59 °F

    Partly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly between 9pm and 4am. Patchy fog before 5am. Otherwise, mostly cloudy, with a low around 47. South wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 57. Southwest wind 9 to 13 mph.

    High: 57 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 47. Southwest wind around 11 mph.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 58. Southwest wind 8 to 10 mph. Chance of precipitation is 30%.

    High: 58 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and midnight. Mostly cloudy, with a low around 45. North wind around 9 mph. Chance of precipitation is 30%.

    Low: 45 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 54. Northeast wind around 9 mph.

    High: 54 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45. East wind around 7 mph becoming south after midnight.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 9am. Mostly cloudy, with a high near 55. South wind 10 to 15 mph. Chance of precipitation is 40%.

    High: 55 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 59. West wind 6 to 8 mph becoming south in the afternoon.
Tonight
A chance of showers and thunderstorms, mainly between 9pm and 4am. Patchy fog before 5am. Otherwise, mostly cloudy, with a low around 47. South wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 57. Southwest wind 9 to 13 mph.
Thursday Night
Mostly cloudy, with a low around 47. Southwest wind around 11 mph.
Friday
A chance of showers, with thunderstorms also possible after 5pm. Partly sunny, with a high near 58. Southwest wind 8 to 10 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and midnight. Mostly cloudy, with a low around 45. North wind around 9 mph. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 54. Northeast wind around 9 mph.
Saturday Night
Mostly cloudy, with a low around 45. East wind around 7 mph becoming south after midnight.
Sunday
A chance of showers after 9am. Mostly cloudy, with a high near 55. South wind 10 to 15 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 39. West wind 16 to 18 mph. Chance of precipitation is 50%.
Monday
A chance of showers. Mostly sunny, with a high near 48. Breezy, with a west wind 18 to 20 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 35. Northwest wind 15 to 17 mph.
Tuesday
Sunny, with a high near 48. Southwest wind around 14 mph.
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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:
2:29 am EDT Apr 15, 2026
Forecast Valid:
9am EDT Apr 15, 2026-6pm EDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation