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.

Overcast

70°F

21°C

Humidity 93%
Wind Speed E 8 mph
Barometer 29.63 in (1003.4 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 29 Jul 5:53 pm EDT
Extended Forecast for

Edgartown MA

  • 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 15 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

  • Sunday Night

    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%.

    Low: 67 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

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 15 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.
Tuesday Night
Mostly clear, with a low around 67. Southwest wind 5 to 7 mph becoming west after midnight.
Wednesday
Sunny, with a high near 79. Northwest wind 5 to 8 mph becoming southwest in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

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:
6pm EDT Jul 29, 2026-6pm EDT Aug 5, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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