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.

Mostly Cloudy

64°F

18°C

Humidity 81%
Wind Speed SE 14 G 20 mph
Barometer 29.99 in (1015.4 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 13 Oct 1:53 pm EDT
Extended Forecast for

Chilmark MA

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 64. Southeast wind around 10 mph.

    High: 64 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of showers between 11pm and 3am. Mostly cloudy, with a low around 61. South wind 11 to 17 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70. West wind 14 to 16 mph.

    High: 70 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. West wind around 10 mph.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 62. North wind 8 to 15 mph.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. Northeast wind 5 to 7 mph becoming southeast after midnight.

    Low: 50 °F

    Partly Cloudy

  • Friday

    Friday: Showers, with thunderstorms also possible after 2pm. High near 66. Breezy, with a southeast wind 13 to 20 mph. Chance of precipitation is 90%.

    High: 66 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and 4am. Mostly cloudy, with a low around 44. Breezy, with a west wind 22 to 24 mph. Chance of precipitation is 70%.

    Low: 44 °F

    Breezy.
    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 55. Windy, with a northwest wind 24 to 26 mph, with gusts as high as 36 mph.

    High: 55 °F

    Mostly Sunny
    and Windy

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 64. Southeast wind around 10 mph.
Tonight
A slight chance of showers between 11pm and 3am. Mostly cloudy, with a low around 61. South wind 11 to 17 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 70. West wind 14 to 16 mph.
Wednesday Night
Partly cloudy, with a low around 53. West wind around 10 mph.
Thursday
Sunny, with a high near 62. North wind 8 to 15 mph.
Thursday Night
Partly cloudy, with a low around 50. Northeast wind 5 to 7 mph becoming southeast after midnight.
Friday
Showers, with thunderstorms also possible after 2pm. High near 66. Breezy, with a southeast wind 13 to 20 mph. Chance of precipitation is 90%.
Friday Night
Showers likely and possibly a thunderstorm before 10pm, then a chance of showers between 10pm and 4am. Mostly cloudy, with a low around 44. Breezy, with a west wind 22 to 24 mph. Chance of precipitation is 70%.
Saturday
Mostly sunny, with a high near 55. Windy, with a northwest wind 24 to 26 mph, with gusts as high as 36 mph.
Saturday Night
Mostly clear, with a low around 39. Breezy, with a northwest wind 18 to 23 mph.
Sunday
Sunny, with a high near 56. West wind 14 to 18 mph.
Sunday Night
Mostly clear, with a low around 45. Northwest wind 8 to 10 mph becoming southwest after midnight.
Monday
Sunny, with a high near 62. Southwest wind 10 to 16 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chilmark MA
 41.34°N 70.75°W (Elev. 79 ft)
Last Update:
9:28 am EDT Oct 13, 2026
Forecast Valid:
2pm EDT Oct 13, 2026-6pm EDT Oct 19, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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