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

51°F

11°C

Humidity 77%
Wind Speed SW 20 G 35 mph
Barometer 30.02 in (1016.6 mb)
Dewpoint 44°F (7°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 31 Mar 10:53 am EDT
Extended Forecast for

Chilmark MA

  • Today

    Today: Mostly sunny, with a temperature falling to around 47 by 5pm. Breezy, with a southwest wind 17 to 21 mph, with gusts as high as 33 mph.

    High: 54 °F⇓

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Isolated showers before 9pm, then isolated showers after 2am. Mostly cloudy, with a low around 46. Southwest wind 8 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.

    Low: 46 °F

    Isolated
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 5pm. Patchy fog before 2pm. Otherwise, partly sunny, with a high near 50. Southwest wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Showers
    Likely and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Showers, mainly before 3am. Patchy fog between 7pm and 9pm. Low around 37. Northeast wind 10 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Showers and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers, mainly between 2pm and 3pm. Cloudy, with a high near 44. Northeast wind around 15 mph. Chance of precipitation is 30%.

    High: 44 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A slight chance of showers before 2am. Cloudy, with a low around 37. Northeast wind 8 to 13 mph. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 51. Southeast wind 8 to 14 mph becoming southwest in the afternoon.

    High: 51 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44. Southwest wind around 16 mph.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 53. West wind 11 to 13 mph.

    High: 53 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly sunny, with a temperature falling to around 47 by 5pm. Breezy, with a southwest wind 17 to 21 mph, with gusts as high as 33 mph.
Tonight
Isolated showers before 9pm, then isolated showers after 2am. Mostly cloudy, with a low around 46. Southwest wind 8 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 20%.
Wednesday
Showers likely, mainly after 5pm. Patchy fog before 2pm. Otherwise, partly sunny, with a high near 50. Southwest wind 15 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Showers, mainly before 3am. Patchy fog between 7pm and 9pm. Low around 37. Northeast wind 10 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A chance of showers, mainly between 2pm and 3pm. Cloudy, with a high near 44. Northeast wind around 15 mph. Chance of precipitation is 30%.
Thursday Night
A slight chance of showers before 2am. Cloudy, with a low around 37. Northeast wind 8 to 13 mph. Chance of precipitation is 20%.
Friday
Mostly cloudy, with a high near 51. Southeast wind 8 to 14 mph becoming southwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 44. Southwest wind around 16 mph.
Saturday
Mostly cloudy, with a high near 53. West wind 11 to 13 mph.
Saturday Night
Mostly cloudy, with a low around 42. East wind around 11 mph becoming south after midnight.
Sunday
A chance of rain. Mostly cloudy, with a high near 54. South wind around 15 mph. Chance of precipitation is 40%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 42. Southwest wind around 16 mph. Chance of precipitation is 50%.
Monday
A chance of rain. Mostly cloudy, with a high near 49. West wind 11 to 13 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:
6:35 am EDT Mar 31, 2026
Forecast Valid:
11am EDT Mar 31, 2026-6pm EDT Apr 6, 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