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

73°F

23°C

Humidity 79%
Wind Speed SE 12 mph
Barometer 30.09 in (1018.9 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 13 Jul 4:53 pm EDT
Extended Forecast for

Chilmark MA

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 65. Southeast wind 5 to 8 mph becoming calm after midnight.

    Low: 65 °F

    Patchy Fog

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 78. Southeast wind 5 to 9 mph becoming south in the afternoon.

    High: 78 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: A slight chance of showers before 9pm, then a slight chance of thunderstorms after 5am. Patchy fog after 1am. Otherwise, increasing clouds, with a low around 68. Southwest wind around 7 mph. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    Showers then
    Patchy Fog

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm. Mostly cloudy, with a high near 80. Southwest wind 7 to 10 mph. Chance of precipitation is 20%.

    High: 80 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 69. Southwest wind around 8 mph.

    Low: 69 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 82. Southwest wind 7 to 11 mph.

    High: 82 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 70. Southwest wind around 10 mph.

    Low: 70 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 83. Southwest wind 10 to 15 mph.

    High: 83 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 70. Southwest wind 10 to 13 mph.

    Low: 70 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 65. Southeast wind 5 to 8 mph becoming calm after midnight.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 78. Southeast wind 5 to 9 mph becoming south in the afternoon.
Monday Night
A slight chance of showers before 9pm, then a slight chance of thunderstorms after 5am. Patchy fog after 1am. Otherwise, increasing clouds, with a low around 68. Southwest wind around 7 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers and thunderstorms before 8am, then a slight chance of showers between 8am and 2pm. Mostly cloudy, with a high near 80. Southwest wind 7 to 10 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 69. Southwest wind around 8 mph.
Wednesday
Partly sunny, with a high near 82. Southwest wind 7 to 11 mph.
Wednesday Night
Mostly cloudy, with a low around 70. Southwest wind around 10 mph.
Thursday
Partly sunny, with a high near 83. Southwest wind 10 to 15 mph.
Thursday Night
Mostly cloudy, with a low around 70. Southwest wind 10 to 13 mph.
Friday
Mostly sunny, with a high near 84. Southwest wind 10 to 14 mph.
Friday Night
A chance of showers. Mostly cloudy, with a low around 69. West wind 8 to 10 mph. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 83. North wind 9 to 11 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 67. South wind 6 to 8 mph becoming northwest after midnight.
Sunday
Partly sunny, with a high near 81. North wind 8 to 10 mph becoming south in the afternoon.
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:
3:59 pm EDT Jul 13, 2025
Forecast Valid:
5pm EDT Jul 13, 2025-6pm EDT Jul 20, 2025
 
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