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.

Light Rain Fog/Mist

69°F

21°C

Humidity 93%
Wind Speed SE 16 G 24 mph
Barometer 29.66 in (1004.1 mb)
Dewpoint 67°F (19°C)
Visibility 6.00 mi
Last update 29 Jul 1:53 pm EDT
Extended Forecast for

Edgartown MA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. Patchy fog. High near 76. Breezy, with a southeast wind around 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers and
    Patchy Fog

  • Tonight

    Tonight: A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 64. Southeast wind 5 to 11 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 75. Southeast wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A slight chance of showers between midnight and 1am. Patchy fog. Otherwise, mostly cloudy, with a low around 62. North wind around 9 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Friday

    Friday: Partly sunny, with a high near 76. North wind 7 to 9 mph.

    High: 76 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65. Southwest wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 78. Southwest wind 5 to 9 mph.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 67. Southwest wind 7 to 9 mph.

    Low: 67 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 78. South wind 7 to 11 mph.

    High: 78 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Patchy fog. High near 76. Breezy, with a southeast wind around 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 4am. Patchy fog. Otherwise, mostly cloudy, with a low around 64. Southeast wind 5 to 11 mph. Chance of precipitation is 50%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 75. Southeast wind 5 to 8 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A slight chance of showers between midnight and 1am. Patchy fog. Otherwise, mostly cloudy, with a low around 62. North wind around 9 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 76. North wind 7 to 9 mph.
Friday Night
Partly cloudy, with a low around 65. Southwest wind around 5 mph.
Saturday
Mostly sunny, with a high near 78. Southwest wind 5 to 9 mph.
Saturday Night
Mostly cloudy, with a low around 67. Southwest wind 7 to 9 mph.
Sunday
Partly sunny, with a high near 78. South wind 7 to 11 mph.
Sunday Night
A chance of showers after 1am. Mostly cloudy, with a low around 67. South wind around 8 mph. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 78. Southwest wind 8 to 10 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, with a low around 67. Southwest wind 6 to 8 mph.
Tuesday
Sunny, with a high near 79. North wind around 7 mph becoming southwest in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Edgartown MA
 41.38°N 70.53°W (Elev. 30 ft)
Last Update:
2:30 pm EDT Jul 29, 2026
Forecast Valid:
2pm EDT Jul 29, 2026-6pm EDT Aug 4, 2026
 
Forecast Discussion
 
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Additional Resources

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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