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

36°F

2°C

Humidity 76%
Wind Speed NW 6 mph
Barometer 30.06 in (1018.0 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 20 Apr 4:53 am EDT
Extended Forecast for

Chilmark MA

  • Today

    Today: Increasing clouds, with a high near 52. West wind 10 to 13 mph.

    High: 52 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A slight chance of rain before 10pm. Mostly cloudy, with a low around 34. West wind 8 to 13 mph becoming north after midnight. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49. North wind 6 to 11 mph.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 38. Southwest wind 6 to 8 mph.

    Low: 38 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers before 2pm. Mostly cloudy, with a high near 51. South wind 10 to 13 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. Southeast wind 6 to 8 mph.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 55. North wind around 8 mph becoming west in the afternoon.

    High: 55 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 42. South wind around 7 mph becoming northwest after midnight.

    Low: 42 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 54. Northwest wind around 8 mph becoming northeast in the afternoon.

    High: 54 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 52. West wind 10 to 13 mph.
Tonight
A slight chance of rain before 10pm. Mostly cloudy, with a low around 34. West wind 8 to 13 mph becoming north after midnight. Chance of precipitation is 20%.
Tuesday
Mostly sunny, with a high near 49. North wind 6 to 11 mph.
Tuesday Night
Partly cloudy, with a low around 38. Southwest wind 6 to 8 mph.
Wednesday
A slight chance of showers before 2pm. Mostly cloudy, with a high near 51. South wind 10 to 13 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 41. Southeast wind 6 to 8 mph.
Thursday
Partly sunny, with a high near 55. North wind around 8 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 42. South wind around 7 mph becoming northwest after midnight.
Friday
Mostly sunny, with a high near 54. Northwest wind around 8 mph becoming northeast in the afternoon.
Friday Night
Partly cloudy, with a low around 41. East wind around 7 mph.
Saturday
Mostly sunny, with a high near 53. Northeast wind around 9 mph becoming east in the afternoon.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 41. Southeast wind around 7 mph. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 56. East wind 8 to 10 mph. Chance of precipitation is 30%.
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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:
2:29 am EDT Apr 20, 2026
Forecast Valid:
5am EDT Apr 20, 2026-6pm EDT Apr 26, 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