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

51°F

11°C

Humidity 96%
Wind Speed S 18 G 31 mph
Barometer 29.82 in (1009.6 mb)
Dewpoint 50°F (10°C)
Visibility 0.50 mi
Wind Chill45°F (7°C)
Last update 11 Mar 6:53 pm EDT
Extended Forecast for

Chilmark MA

  • Tonight

    Tonight: A slight chance of showers after 11pm. Patchy dense fog. Otherwise, cloudy, with a low around 40. South wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Low: 40 °F

    Slight Chance
    Showers and
    Patchy Dense
    Fog

  • Thursday

    Thursday: A chance of showers. Patchy fog before 11am. Otherwise, cloudy, with a high near 48. Southwest wind 14 to 18 mph becoming northwest in the afternoon. Chance of precipitation is 40%.

    High: 48 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of snow showers, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 30. Northwest wind 14 to 16 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Snow
    Showers then
    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 43. West wind 8 to 13 mph becoming southwest in the afternoon.

    High: 43 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36. Breezy, with a south wind 14 to 20 mph.

    Low: 36 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Saturday

    Saturday: Sunny, with a high near 45. Breezy, with a west wind 18 to 20 mph.

    High: 45 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. Northwest wind 10 to 14 mph.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 43. North wind 7 to 9 mph becoming southeast in the afternoon.

    High: 43 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of rain after 1am. Cloudy, with a low around 36. Breezy, with a southeast wind 13 to 20 mph. Chance of precipitation is 40%.

    Low: 36 °F

    Cloudy then
    Chance Rain
    and Breezy

Detailed Forecast

Tonight
A slight chance of showers after 11pm. Patchy dense fog. Otherwise, cloudy, with a low around 40. South wind 13 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
Thursday
A chance of showers. Patchy fog before 11am. Otherwise, cloudy, with a high near 48. Southwest wind 14 to 18 mph becoming northwest in the afternoon. Chance of precipitation is 40%.
Thursday Night
A chance of snow showers, mainly before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 30. Northwest wind 14 to 16 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday
Increasing clouds, with a high near 43. West wind 8 to 13 mph becoming southwest in the afternoon.
Friday Night
Mostly cloudy, with a low around 36. Breezy, with a south wind 14 to 20 mph.
Saturday
Sunny, with a high near 45. Breezy, with a west wind 18 to 20 mph.
Saturday Night
Partly cloudy, with a low around 29. Northwest wind 10 to 14 mph.
Sunday
Mostly cloudy, with a high near 43. North wind 7 to 9 mph becoming southeast in the afternoon.
Sunday Night
A chance of rain after 1am. Cloudy, with a low around 36. Breezy, with a southeast wind 13 to 20 mph. Chance of precipitation is 40%.
Monday
Rain. High near 52. Breezy, with a south wind around 23 mph, with gusts as high as 36 mph. Chance of precipitation is 90%.
Monday Night
Rain likely. Cloudy, with a low around 32. Breezy, with a south wind 17 to 22 mph becoming west after midnight. Chance of precipitation is 70%.
Tuesday
A chance of rain. Partly sunny, with a high near 39. West wind around 15 mph. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 24. Northwest wind 13 to 15 mph.
Wednesday
Mostly sunny, with a high near 35. West wind around 10 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chilmark MA
 41.34°N 70.75°W (Elev. 79 ft)
Last Update:
4:43 pm EDT Mar 11, 2026
Forecast Valid:
7pm EDT Mar 11, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation