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Hazardous Weather Conditions

Current conditions at

Marthas Vineyard Airport (KMVY)

Lat: 41.39°NLon: 70.62°WElev: 59ft.

Fair

53°F

12°C

Humidity 89%
Wind Speed Calm
Barometer 30.15 in (1020.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 20 Aug 3:53 am EDT
Extended Forecast for

2 Miles SW Chilmark MA

High Surf Advisory August 20, 04:48am until August 23, 08:00am
Click here for hazard details and duration
High Surf Advisory
  •  
    High Surf Advisory August 20, 04:48am until August 23, 08:00am

    NOW until 8:00am Sat

    High Surf Advisory

  • Today

    High: 69 °F

    Mostly Sunny
    then Showers
    Likely

  • Tonight

    Tonight: Showers, mainly before 3am. Patchy fog. Low around 60. Breezy, with an east wind 18 to 22 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 60 °F

    Showers and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 69. Breezy, with a northeast wind 22 to 24 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 69 °F

    Chance
    Showers and
    Breezy

  • Thursday Night

    Thursday Night: A slight chance of showers. Mostly cloudy, with a low around 62. Windy, with a northeast wind 26 to 31 mph. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    Showers and
    Windy

  • Friday

    Friday: Mostly sunny, with a high near 72. Windy, with a north wind around 31 mph, with gusts as high as 43 mph.

    High: 72 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 62. Breezy, with a north wind 20 to 23 mph.

    Low: 62 °F

    Partly Cloudy
    and Breezy

  • Saturday

    Saturday: Sunny, with a high near 73. Northwest wind 15 to 18 mph becoming southwest in the afternoon.

    High: 73 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. South wind around 11 mph.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Today
Showers likely, mainly after 5pm. Partly sunny, with a high near 69. East wind 10 to 18 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers, mainly before 3am. Patchy fog. Low around 60. Breezy, with an east wind 18 to 22 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Thursday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 69. Breezy, with a northeast wind 22 to 24 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 62. Windy, with a northeast wind 26 to 31 mph. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 72. Windy, with a north wind around 31 mph, with gusts as high as 43 mph.
Friday Night
Partly cloudy, with a low around 62. Breezy, with a north wind 20 to 23 mph.
Saturday
Sunny, with a high near 73. Northwest wind 15 to 18 mph becoming southwest in the afternoon.
Saturday Night
Mostly clear, with a low around 63. South wind around 11 mph.
Sunday
Mostly sunny, with a high near 73. South wind 11 to 15 mph.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 64. South wind around 14 mph. Chance of precipitation is 30%.
Monday
A chance of showers. Partly sunny, with a high near 73. South wind around 15 mph. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 63. Southwest wind around 13 mph. Chance of precipitation is 40%.
Tuesday
Sunny, with a high near 73. Southwest wind 11 to 15 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Chilmark MA
 41.32°N 70.76°W (Elev. 0 ft)
Last Update:
2:27 am EDT Aug 20, 2025
Forecast Valid:
4am EDT Aug 20, 2025-6pm EDT Aug 26, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation