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.

Overcast

42°F

6°C

Humidity 89%
Wind Speed SW 16 G 31 mph
Barometer 29.53 in (999.8 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 17 Mar 5:53 am EDT
Extended Forecast for

Chilmark MA

  • Today

    Today: A slight chance of rain before 8am. Cloudy through mid morning, then gradual clearing, with a high near 40. Breezy, with a west wind 22 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.

    High: 40 °F

    Breezy.
    Slight Chance
    Rain then
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 25. Northwest wind 14 to 17 mph.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. Northwest wind 6 to 11 mph.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 27. South wind 5 to 7 mph.

    Low: 27 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 40. South wind 6 to 8 mph.

    High: 40 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 32. Southwest wind around 6 mph.

    Low: 32 °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: Mostly cloudy, with a low around 36. Southwest wind around 10 mph.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain. Partly sunny, with a high near 45. West wind 11 to 14 mph. Chance of precipitation is 30%.

    High: 45 °F

    Chance Rain

Detailed Forecast

Today
A slight chance of rain before 8am. Cloudy through mid morning, then gradual clearing, with a high near 40. Breezy, with a west wind 22 to 24 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 25. Northwest wind 14 to 17 mph.
Wednesday
Mostly sunny, with a high near 35. Northwest wind 6 to 11 mph.
Wednesday Night
Partly cloudy, with a low around 27. South wind 5 to 7 mph.
Thursday
Mostly sunny, with a high near 40. South wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 32. Southwest wind around 6 mph.
Friday
Mostly sunny, with a high near 44. Southwest wind 7 to 10 mph.
Friday Night
Mostly cloudy, with a low around 36. Southwest wind around 10 mph.
Saturday
A chance of rain. Partly sunny, with a high near 45. West wind 11 to 14 mph. Chance of precipitation is 30%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 34. South wind around 15 mph. Chance of precipitation is 30%.
Sunday
A chance of rain. Mostly cloudy, with a high near 45. Southwest wind around 15 mph. Chance of precipitation is 30%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 31. Northwest wind around 15 mph. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 41. Northwest wind around 16 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:
3:02 am EDT Mar 17, 2026
Forecast Valid:
6am EDT Mar 17, 2026-6pm EDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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