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

58°F

14°C

Humidity 87%
Wind Speed NE 10 mph
Barometer 29.89 in (1012.1 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 13 Oct 1:53 am EDT
Extended Forecast for

Chilmark MA

  • Overnight

    Overnight: Partly cloudy, with a low around 56. Northeast wind 10 to 13 mph.

    Low: 56 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 64. East wind 10 to 13 mph becoming southeast in the afternoon.

    High: 64 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A slight chance of showers between 11pm and 3am. Mostly cloudy, with a low around 61. South wind 13 to 18 mph. Chance of precipitation is 20%.

    Low: 61 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70. Southwest wind 15 to 17 mph.

    High: 70 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 53. West wind around 11 mph.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 62. North wind 8 to 16 mph.

    High: 62 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 50. Northeast wind around 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 14 to 21 mph. Chance of precipitation is 90%.

    High: 66 °F

    Showers and
    Breezy

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 9pm, then a chance of showers between 9pm and 1am. Mostly cloudy, with a low around 46. Breezy, with a west wind around 23 mph. Chance of precipitation is 60%.

    Low: 46 °F

    Breezy.
    Showers
    Likely then
    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 56. Northeast wind 10 to 13 mph.
Tuesday
Mostly cloudy, with a high near 64. East wind 10 to 13 mph becoming southeast in the afternoon.
Tuesday Night
A slight chance of showers between 11pm and 3am. Mostly cloudy, with a low around 61. South wind 13 to 18 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 70. Southwest wind 15 to 17 mph.
Wednesday Night
Partly cloudy, with a low around 53. West wind around 11 mph.
Thursday
Sunny, with a high near 62. North wind 8 to 16 mph.
Thursday Night
Partly cloudy, with a low around 50. Northeast wind around 7 mph becoming southeast after midnight.
Friday
Showers, with thunderstorms also possible after 2pm. High near 66. Breezy, with a southeast wind 14 to 21 mph. Chance of precipitation is 90%.
Friday Night
Showers likely and possibly a thunderstorm before 9pm, then a chance of showers between 9pm and 1am. Mostly cloudy, with a low around 46. Breezy, with a west wind around 23 mph. Chance of precipitation is 60%.
Saturday
Sunny, with a high near 54. Breezy, with a northwest wind 23 to 25 mph.
Saturday Night
Mostly clear, with a low around 40. Breezy, with a northwest wind 20 to 24 mph.
Sunday
Sunny, with a high near 55. Breezy, with a west wind 15 to 20 mph.
Sunday Night
Mostly clear, with a low around 47. Northwest wind around 10 mph becoming southwest after midnight.
Monday
Sunny, with a high near 61. Southwest wind 11 to 17 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chilmark MA
 41.35°N 70.78°W (Elev. 3 ft)
Last Update:
1:58 am EDT Oct 13, 2026
Forecast Valid:
2am EDT Oct 13, 2026-6pm EDT Oct 19, 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