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.

Partly Cloudy

59°F

15°C

Humidity 81%
Wind Speed NW 3 mph
Barometer 29.82 in (1009.8 mb)
Dewpoint 53°F (12°C)
Visibility 9.00 mi
Last update 17 Apr 9:53 am EDT
Extended Forecast for

Chilmark MA

  • Today

    Today: A chance of rain, mainly before 4pm. Mostly cloudy, with a high near 60. Northeast wind 5 to 13 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 60 °F

    Chance Rain
    then Partly
    Sunny

  • Tonight

    Tonight: Patchy fog before 1am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 46. North wind 8 to 10 mph.

    Low: 46 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 52. Northeast wind around 11 mph.

    High: 52 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Patchy fog before 9pm. Otherwise, cloudy, with a low around 44. Northeast wind 5 to 7 mph becoming south after midnight.

    Low: 44 °F

    Patchy Fog
    then Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 55. South wind 10 to 15 mph becoming southwest in the afternoon. Chance of precipitation is 60%.

    High: 55 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 38. Northwest wind around 16 mph. Chance of precipitation is 60%.

    Low: 38 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 48. West wind around 14 mph.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. North wind 10 to 13 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 47. North wind 9 to 11 mph becoming southwest in the afternoon.

    High: 47 °F

    Sunny

Detailed Forecast

Today
A chance of rain, mainly before 4pm. Mostly cloudy, with a high near 60. Northeast wind 5 to 13 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Patchy fog before 1am, then patchy fog after 3am. Otherwise, mostly cloudy, with a low around 46. North wind 8 to 10 mph.
Saturday
Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 52. Northeast wind around 11 mph.
Saturday Night
Patchy fog before 9pm. Otherwise, cloudy, with a low around 44. Northeast wind 5 to 7 mph becoming south after midnight.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 55. South wind 10 to 15 mph becoming southwest in the afternoon. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 38. Northwest wind around 16 mph. Chance of precipitation is 60%.
Monday
Sunny, with a high near 48. West wind around 14 mph.
Monday Night
Partly cloudy, with a low around 34. North wind 10 to 13 mph.
Tuesday
Sunny, with a high near 47. North wind 9 to 11 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 40. Southwest wind 13 to 16 mph.
Wednesday
Partly sunny, with a high near 54. Southwest wind 14 to 16 mph.
Wednesday Night
Partly cloudy, with a low around 42. Southwest wind around 10 mph becoming northwest after midnight.
Thursday
Mostly sunny, with a high near 54. North wind around 10 mph becoming southwest in the afternoon.
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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:
5:24 am EDT Apr 17, 2026
Forecast Valid:
9am EDT Apr 17, 2026-6pm EDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation