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.

Fog

46°F

8°C

Humidity 100%
Wind Speed SW 14 mph
Barometer 29.56 in (1000.8 mb)
Dewpoint 46°F (8°C)
Visibility 0.50 mi
Wind Chill40°F (4°C)
Last update 12 Mar 6:53 am EDT
Extended Forecast for

Chilmark MA

  • Today

    Today: Rain before 5pm, then rain and sleet. Temperature rising to near 47 by 11am, then falling to around 36 during the remainder of the day. South wind 14 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%. Total daytime sleet accumulation of less than a half inch possible.

    High: 47 °F⇓

    Rain Likely
    then
    Rain/Sleet

  • Tonight

    Tonight: Snow likely before 9pm, then a slight chance of snow showers between 9pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 30. Blustery, with a northwest wind 15 to 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 30 °F

    Blustery.
    Snow Likely
    then Mostly
    Clear

  • Friday

    Friday: Increasing clouds, with a high near 40. Northwest wind 8 to 13 mph becoming southwest in the afternoon.

    High: 40 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35. South wind 14 to 18 mph, with gusts as high as 28 mph.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 45. Breezy, with a west wind 20 to 24 mph, with gusts as high as 37 mph.

    High: 45 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. West wind 9 to 15 mph.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 45. North wind 7 to 10 mph becoming southeast in the afternoon.

    High: 45 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain likely, mainly after 5am. Cloudy, with a low around 36. Breezy, with a southeast wind 15 to 22 mph. Chance of precipitation is 60%.

    Low: 36 °F

    Mostly Cloudy
    then Rain
    Likely and
    Breezy

  • Monday

    Monday: Rain. High near 53. Breezy, with a south wind 23 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.

    High: 53 °F

    Rain and
    Breezy

Detailed Forecast

Today
Rain before 5pm, then rain and sleet. Temperature rising to near 47 by 11am, then falling to around 36 during the remainder of the day. South wind 14 to 16 mph becoming northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 80%. Total daytime sleet accumulation of less than a half inch possible.
Tonight
Snow likely before 9pm, then a slight chance of snow showers between 9pm and 11pm. Cloudy during the early evening, then gradual clearing, with a low around 30. Blustery, with a northwest wind 15 to 20 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Friday
Increasing clouds, with a high near 40. Northwest wind 8 to 13 mph becoming southwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 35. South wind 14 to 18 mph, with gusts as high as 28 mph.
Saturday
Sunny, with a high near 45. Breezy, with a west wind 20 to 24 mph, with gusts as high as 37 mph.
Saturday Night
Partly cloudy, with a low around 30. West wind 9 to 15 mph.
Sunday
Mostly cloudy, with a high near 45. North wind 7 to 10 mph becoming southeast in the afternoon.
Sunday Night
Rain likely, mainly after 5am. Cloudy, with a low around 36. Breezy, with a southeast wind 15 to 22 mph. Chance of precipitation is 60%.
Monday
Rain. High near 53. Breezy, with a south wind 23 to 25 mph, with gusts as high as 39 mph. Chance of precipitation is 90%.
Monday Night
Rain, mainly before 5am. Low around 34. Windy, with a south wind 22 to 28 mph, with gusts as high as 39 mph. Chance of precipitation is 80%.
Tuesday
A chance of rain. Partly sunny, with a high near 41. West wind around 16 mph. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 25. Northwest wind 14 to 16 mph.
Wednesday
Sunny, with a high near 37. West wind around 10 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chilmark MA
 41.34°N 70.75°W (Elev. 79 ft)
Last Update:
6:38 am EDT Mar 12, 2026
Forecast Valid:
7am EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation