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.

Partly Cloudy

75°F

24°C

Humidity 76%
Wind Speed SE 12 mph
Barometer 30.14 in (1020.7 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 13 Jul 10:53 am EDT
Extended Forecast for

Chilmark MA

  • Today

    Today: Mostly sunny, with a high near 78. East wind around 10 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 66. East wind around 6 mph becoming calm after midnight.

    Low: 66 °F

    Patchy Fog

  • Monday

    Monday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 79. Light and variable wind becoming south 5 to 9 mph in the morning.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 69. Southwest wind around 7 mph.

    Low: 69 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 81. Southwest wind 7 to 11 mph.

    High: 81 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 69. Southwest wind 7 to 9 mph.

    Low: 69 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. Southwest wind 6 to 11 mph.

    High: 82 °F

    Mostly 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

Detailed Forecast

Today
Mostly sunny, with a high near 78. East wind around 10 mph.
Tonight
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 66. East wind around 6 mph becoming calm after midnight.
Monday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 79. Light and variable wind becoming south 5 to 9 mph in the morning.
Monday Night
Mostly cloudy, with a low around 69. Southwest wind around 7 mph.
Tuesday
Mostly cloudy, with a high near 81. Southwest wind 7 to 11 mph.
Tuesday Night
Mostly cloudy, with a low around 69. Southwest wind 7 to 9 mph.
Wednesday
Mostly sunny, with a high near 82. Southwest wind 6 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
A chance of showers after 11pm. Mostly cloudy, with a low around 70. Southwest wind around 11 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 82. Southwest wind 10 to 13 mph.
Friday Night
Partly cloudy, with a low around 69. Southwest wind around 8 mph becoming northwest after midnight.
Saturday
Mostly sunny, with a high near 82. North wind 9 to 11 mph becoming southeast in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chilmark MA
 41.34°N 70.75°W (Elev. 79 ft)
Last Update:
6:25 am EDT Jul 13, 2025
Forecast Valid:
11am EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
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