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

71°F

22°C

Humidity 87%
Wind Speed S 13 mph
Barometer 29.75 in (1007.2 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 28 Jul 6:53 pm EDT
Extended Forecast for

Edgartown MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. Southeast wind 11 to 13 mph.

    Low: 67 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 77. Breezy, with a southeast wind 18 to 21 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 67. Breezy, with an east wind 13 to 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Heavy Rain
    and Breezy

  • Thursday

    Thursday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 77. Northeast wind 11 to 14 mph becoming southeast in the morning. Chance of precipitation is 40%.

    High: 77 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 65. North wind 13 to 15 mph. Chance of precipitation is 40%.

    Low: 65 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 77. North wind 10 to 14 mph.

    High: 77 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 67. Northwest wind 7 to 9 mph.

    Low: 67 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 76. North wind 5 to 9 mph becoming southeast in the afternoon.

    High: 76 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 68. Southwest wind around 9 mph.

    Low: 68 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 67. Southeast wind 11 to 13 mph.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 77. Breezy, with a southeast wind 18 to 21 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms likely, mainly before 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 67. Breezy, with an east wind 13 to 20 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly cloudy, with a high near 77. Northeast wind 11 to 14 mph becoming southeast in the morning. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 65. North wind 13 to 15 mph. Chance of precipitation is 40%.
Friday
Partly sunny, with a high near 77. North wind 10 to 14 mph.
Friday Night
Partly cloudy, with a low around 67. Northwest wind 7 to 9 mph.
Saturday
Mostly sunny, with a high near 76. North wind 5 to 9 mph becoming southeast in the afternoon.
Saturday Night
Mostly cloudy, with a low around 68. Southwest wind around 9 mph.
Sunday
Partly sunny, with a high near 76. South wind 8 to 11 mph.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 70. South wind around 10 mph. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 76. Southwest wind around 10 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 69. Southwest wind around 9 mph.
Tuesday
Mostly sunny, with a high near 77. North wind around 9 mph becoming northeast in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Edgartown MA
 41.4°N 70.5°W (Elev. 3 ft)
Last Update:
3:27 pm EDT Jul 28, 2026
Forecast Valid:
7pm EDT Jul 28, 2026-6pm EDT Aug 4, 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