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.

Fog/Mist

65°F

18°C

Humidity 97%
Wind Speed NW 3 mph
Barometer 29.56 in (1000.7 mb)
Dewpoint 64°F (18°C)
Visibility 6.00 mi
Last update 18 Jun 9:53 pm EDT
Extended Forecast for

Chilmark MA

  • Tonight

    Tonight: Partly cloudy, with a low around 64. Breezy, with a west wind 14 to 21 mph.

    Low: 64 °F

    Partly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Juneteenth

    Juneteenth: Partly sunny, with a high near 75. Southwest wind 13 to 18 mph.

    High: 75 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63. West wind 13 to 16 mph.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. West wind around 17 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. West wind 10 to 13 mph.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: A slight chance of showers after 3pm. Sunny, with a high near 78. Southwest wind 8 to 10 mph. Chance of precipitation is 20%.

    High: 78 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62. Southwest wind 5 to 7 mph.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Showers likely, mainly after 5pm. Partly sunny, with a high near 75. Light southwest wind becoming south 8 to 13 mph in the morning. Chance of precipitation is 60%.

    High: 75 °F

    Chance
    Showers then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers. The rain could be heavy at times. Low around 63. Breezy, with a south wind 18 to 22 mph. Chance of precipitation is 80%.

    Low: 63 °F

    Heavy Rain
    and Breezy

Detailed Forecast

Tonight
Partly cloudy, with a low around 64. Breezy, with a west wind 14 to 21 mph.
Juneteenth
Partly sunny, with a high near 75. Southwest wind 13 to 18 mph.
Friday Night
Mostly clear, with a low around 63. West wind 13 to 16 mph.
Saturday
Sunny, with a high near 79. West wind around 17 mph.
Saturday Night
Mostly clear, with a low around 63. West wind 10 to 13 mph.
Sunday
A slight chance of showers after 3pm. Sunny, with a high near 78. Southwest wind 8 to 10 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 62. Southwest wind 5 to 7 mph.
Monday
Showers likely, mainly after 5pm. Partly sunny, with a high near 75. Light southwest wind becoming south 8 to 13 mph in the morning. Chance of precipitation is 60%.
Monday Night
Showers. The rain could be heavy at times. Low around 63. Breezy, with a south wind 18 to 22 mph. Chance of precipitation is 80%.
Tuesday
Showers likely, mainly before 8am. Partly sunny, with a high near 78. Southwest wind 14 to 16 mph. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 63. Southwest wind 8 to 10 mph becoming west after midnight.
Wednesday
Sunny, with a high near 76. Southwest wind 7 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 64. Southwest wind 5 to 8 mph.
Thursday
Mostly sunny, with a high near 76. South wind 5 to 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chilmark MA
 41.37°N 70.75°W (Elev. 299 ft)
Last Update:
3:27 pm EDT Jun 18, 2026
Forecast Valid:
10pm EDT Jun 18, 2026-6pm EDT Jun 25, 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