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.

A Few Clouds

34°F

1°C

Humidity 42%
Wind Speed S 13 mph
Barometer 30.43 in (1030.4 mb)
Dewpoint 13°F (-11°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 18 Mar 4:53 pm EDT
Extended Forecast for

Chilmark MA

  • Tonight

    Tonight: Mostly cloudy during the early evening, then becoming clear, with a low around 22. Southeast wind around 6 mph.

    Low: 22 °F

    Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 39. Southeast wind 6 to 8 mph.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33. South wind around 7 mph.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44. Southwest wind 7 to 10 mph.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A chance of rain, mainly after 2am. Mostly cloudy, with a low around 38. South wind 10 to 14 mph. Chance of precipitation is 40%.

    Low: 38 °F

    Chance Rain

  • Saturday

    Saturday: A chance of rain before 2pm. Mostly cloudy, with a high near 46. South wind around 15 mph. Chance of precipitation is 40%.

    High: 46 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 37. Southwest wind 11 to 13 mph.

    Low: 37 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 46. Southwest wind around 15 mph.

    High: 46 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A chance of rain before 11pm, then a chance of rain and snow between 11pm and 5am, then a chance of snow after 5am. Mostly cloudy, with a low around 34. Northwest wind 15 to 17 mph. Chance of precipitation is 30%.

    Low: 34 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly cloudy during the early evening, then becoming clear, with a low around 22. Southeast wind around 6 mph.
Thursday
Mostly sunny, with a high near 39. Southeast wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 33. South wind around 7 mph.
Friday
Mostly sunny, with a high near 44. Southwest wind 7 to 10 mph.
Friday Night
A chance of rain, mainly after 2am. Mostly cloudy, with a low around 38. South wind 10 to 14 mph. Chance of precipitation is 40%.
Saturday
A chance of rain before 2pm. Mostly cloudy, with a high near 46. South wind around 15 mph. Chance of precipitation is 40%.
Saturday Night
Mostly cloudy, with a low around 37. Southwest wind 11 to 13 mph.
Sunday
Mostly cloudy, with a high near 46. Southwest wind around 15 mph.
Sunday Night
A chance of rain before 11pm, then a chance of rain and snow between 11pm and 5am, then a chance of snow after 5am. Mostly cloudy, with a low around 34. Northwest wind 15 to 17 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 41. North wind 15 to 18 mph.
Monday Night
Partly cloudy, with a low around 29. North wind around 15 mph.
Tuesday
Mostly sunny, with a high near 38. North wind 11 to 13 mph becoming east in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 31. West wind around 15 mph.
Wednesday
Partly sunny, with a high near 43. West wind around 15 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chilmark MA
 41.37°N 70.75°W (Elev. 299 ft)
Last Update:
2:31 pm EDT Mar 18, 2026
Forecast Valid:
5pm EDT Mar 18, 2026-6pm EDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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