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

42°F

6°C

Humidity 79%
Wind Speed SW 9 mph
Barometer 30.41 in (1029.7 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 30 Mar 12:53 am EDT
Extended Forecast for

Chilmark MA

  • Overnight

    Overnight: Mostly cloudy, with a low around 38. Southwest wind around 15 mph.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 53. Breezy, with a southwest wind 18 to 25 mph.

    High: 53 °F

    Partly Sunny
    and Breezy

  • Monday Night

    Monday Night: A slight chance of rain after 1am. Mostly cloudy, with a low around 42. Southwest wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    Low: 42 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tuesday

    Tuesday: A slight chance of rain before 11am. Partly sunny, with a high near 47. Southwest wind 11 to 16 mph. Chance of precipitation is 20%.

    High: 47 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 32 mph.

    Low: 43 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: A chance of rain and thunderstorms, mainly after 3pm. Partly sunny, with a high near 53. Breezy, with a southwest wind 20 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.

    High: 53 °F

    Breezy.
    Partly Sunny
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain and thunderstorms before 9pm, then rain likely and possibly a thunderstorm between 9pm and 2am, then rain likely after 2am. Mostly cloudy, with a low around 40. Southwest wind 11 to 14 mph becoming north after midnight. Chance of precipitation is 60%.

    Low: 40 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 46. Northeast wind around 16 mph. Chance of precipitation is 50%.

    High: 46 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain. Cloudy, with a low around 37. Northeast wind around 14 mph. Chance of precipitation is 50%.

    Low: 37 °F

    Chance Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 38. Southwest wind around 15 mph.
Monday
Partly sunny, with a high near 53. Breezy, with a southwest wind 18 to 25 mph.
Monday Night
A slight chance of rain after 1am. Mostly cloudy, with a low around 42. Southwest wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of rain before 11am. Partly sunny, with a high near 47. Southwest wind 11 to 16 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 43. Breezy, with a southwest wind 16 to 21 mph, with gusts as high as 32 mph.
Wednesday
A chance of rain and thunderstorms, mainly after 3pm. Partly sunny, with a high near 53. Breezy, with a southwest wind 20 to 22 mph, with gusts as high as 32 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of rain and thunderstorms before 9pm, then rain likely and possibly a thunderstorm between 9pm and 2am, then rain likely after 2am. Mostly cloudy, with a low around 40. Southwest wind 11 to 14 mph becoming north after midnight. Chance of precipitation is 60%.
Thursday
A chance of rain. Mostly cloudy, with a high near 46. Northeast wind around 16 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain. Cloudy, with a low around 37. Northeast wind around 14 mph. Chance of precipitation is 50%.
Friday
A chance of rain. Cloudy, with a high near 49. East wind around 14 mph becoming south in the afternoon. Chance of precipitation is 50%.
Friday Night
A chance of rain. Cloudy, with a low around 38. North wind around 15 mph. Chance of precipitation is 50%.
Saturday
A chance of rain. Mostly cloudy, with a high near 47. Northeast wind around 15 mph. Chance of precipitation is 30%.
Saturday Night
Cloudy, with a low around 39. East wind around 14 mph.
Sunday
A chance of rain. Cloudy, with a high near 51. South wind around 14 mph. Chance of precipitation is 40%.
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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:
10:59 pm EDT Mar 29, 2026
Forecast Valid:
1am EDT Mar 30, 2026-6pm EDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation