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

76°F

24°C

Humidity 48%
Wind Speed W 9 mph
Barometer 29.93 in (1013.4 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 15 Apr 11:53 am EDT
Extended Forecast for

Edgartown MA

  • This Afternoon

    This Afternoon: Patchy fog after 5pm. Otherwise, partly sunny, with a high near 57. Southwest wind 5 to 8 mph becoming south.

    High: 57 °F

    Patchy Fog

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly between 9pm and 5am. Patchy fog between 7pm and 5am. Otherwise, mostly cloudy, with a low around 48. South wind 7 to 9 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 48 °F

    Chance
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 10am. Otherwise, partly sunny, with a high near 56. Southwest wind 8 to 11 mph.

    High: 56 °F

    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 48. Southwest wind around 10 mph.

    Low: 48 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 57. Southwest wind 8 to 10 mph. Chance of precipitation is 30%.

    High: 57 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 45. Northeast wind around 8 mph. Chance of precipitation is 30%.

    Low: 45 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 52. Northeast wind around 9 mph.

    High: 52 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 46. East wind around 7 mph becoming south after midnight.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers after 9am. Mostly cloudy, with a high near 54. South wind 10 to 14 mph. Chance of precipitation is 40%.

    High: 54 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Patchy fog after 5pm. Otherwise, partly sunny, with a high near 57. Southwest wind 5 to 8 mph becoming south.
Tonight
A chance of showers and thunderstorms, mainly between 9pm and 5am. Patchy fog between 7pm and 5am. Otherwise, mostly cloudy, with a low around 48. South wind 7 to 9 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 56. Southwest wind 8 to 11 mph.
Thursday Night
Mostly cloudy, with a low around 48. Southwest wind around 10 mph.
Friday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 57. Southwest wind 8 to 10 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 45. Northeast wind around 8 mph. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 52. Northeast wind around 9 mph.
Saturday Night
Mostly cloudy, with a low around 46. East wind around 7 mph becoming south after midnight.
Sunday
A chance of showers after 9am. Mostly cloudy, with a high near 54. South wind 10 to 14 mph. Chance of precipitation is 40%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 41. West wind around 16 mph. Chance of precipitation is 50%.
Monday
A chance of showers. Mostly sunny, with a high near 48. West wind around 17 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 36. Northwest wind around 15 mph.
Tuesday
Sunny, with a high near 48. Northwest wind around 13 mph becoming southwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Edgartown MA
 41.38°N 70.51°W (Elev. 3 ft)
Last Update:
10:56 am EDT Apr 15, 2026
Forecast Valid:
12pm EDT Apr 15, 2026-6pm EDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation