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: Cloudy, with a low around 39. Southwest wind around 16 mph.

    Low: 39 °F

    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 48. Windy, with a southwest wind 20 to 26 mph, with gusts as high as 38 mph.

    High: 48 °F

    Mostly Cloudy
    and Windy

  • Monday Night

    Monday Night: A slight chance of rain before 8pm, then a chance of rain after midnight. Mostly cloudy, with a low around 43. Breezy, with a southwest wind 17 to 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain

  • Tuesday

    Tuesday: Rain likely, mainly before noon. Mostly cloudy, with a high near 49. Southwest wind 15 to 17 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 44. Breezy, with a southwest wind 18 to 24 mph.

    Low: 44 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: A chance of rain, mainly after 2pm. Mostly cloudy, with a high near 52. Breezy, with a southwest wind 20 to 23 mph. Chance of precipitation is 30%.

    High: 52 °F

    Breezy.
    Partly Sunny
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly between 8pm and 2am. Cloudy, with a low around 39. West wind around 14 mph becoming northeast after midnight. Chance of precipitation is 60%.

    Low: 39 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain. Cloudy, with a high near 45. Northeast wind around 17 mph. Chance of precipitation is 50%.

    High: 45 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain before 11pm, then a chance of rain after 2am. Cloudy, with a low around 38. East wind 13 to 15 mph. Chance of precipitation is 30%.

    Low: 38 °F

    Chance Rain

Detailed Forecast

Overnight
Cloudy, with a low around 39. Southwest wind around 16 mph.
Monday
Mostly cloudy, with a high near 48. Windy, with a southwest wind 20 to 26 mph, with gusts as high as 38 mph.
Monday Night
A slight chance of rain before 8pm, then a chance of rain after midnight. Mostly cloudy, with a low around 43. Breezy, with a southwest wind 17 to 22 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain likely, mainly before noon. Mostly cloudy, with a high near 49. Southwest wind 15 to 17 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 44. Breezy, with a southwest wind 18 to 24 mph.
Wednesday
A chance of rain, mainly after 2pm. Mostly cloudy, with a high near 52. Breezy, with a southwest wind 20 to 23 mph. Chance of precipitation is 30%.
Wednesday Night
Rain likely, mainly between 8pm and 2am. Cloudy, with a low around 39. West wind around 14 mph becoming northeast after midnight. Chance of precipitation is 60%.
Thursday
A chance of rain. Cloudy, with a high near 45. Northeast wind around 17 mph. Chance of precipitation is 50%.
Thursday Night
A chance of rain before 11pm, then a chance of rain after 2am. Cloudy, with a low around 38. East wind 13 to 15 mph. Chance of precipitation is 30%.
Friday
A chance of rain before noon. Cloudy, with a high near 48. Southwest wind 11 to 14 mph. Chance of precipitation is 30%.
Friday Night
A chance of rain. Mostly cloudy, with a low around 42. Southwest wind around 16 mph. Chance of precipitation is 40%.
Saturday
A chance of rain. Mostly cloudy, with a high near 49. North wind around 15 mph becoming northeast in the afternoon. Chance of precipitation is 30%.
Saturday Night
A chance of rain. Cloudy, with a low around 40. East wind around 15 mph. Chance of precipitation is 30%.
Sunday
A chance of rain. Mostly cloudy, with a high near 51. South wind 14 to 16 mph. Chance of precipitation is 40%.
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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:
1:27 am EDT Mar 30, 2026
Forecast Valid:
1am EDT Mar 30, 2026-6pm EDT Apr 5, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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