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.

Fair

26°F

-3°C

Humidity 44%
Wind Speed NW 9 mph
Barometer 30.23 in (1023.8 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 18 Mar 4:53 am EDT
Extended Forecast for

Chilmark MA

  • Today

    Today: Mostly sunny, with a high near 34. Northwest wind 5 to 11 mph becoming southwest in the afternoon.

    High: 34 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 28. South wind 3 to 6 mph.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 37. Southeast wind 6 to 8 mph.

    High: 37 °F

    Sunny

  • Thursday Night

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

    Low: 32 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 45. Southwest wind 6 to 10 mph.

    High: 45 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A slight chance of rain after 2am. Mostly cloudy, with a low around 37. Southwest wind around 10 mph. Chance of precipitation is 20%.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: A chance of rain before 2pm. Mostly cloudy, with a high near 47. South wind 11 to 15 mph. Chance of precipitation is 50%.

    High: 47 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38. Southwest wind around 13 mph.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of rain after 9am. Mostly cloudy, with a high near 48. Southwest wind around 14 mph. Chance of precipitation is 30%.

    High: 48 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 34. Northwest wind 5 to 11 mph becoming southwest in the afternoon.
Tonight
Partly cloudy, with a low around 28. South wind 3 to 6 mph.
Thursday
Sunny, with a high near 37. Southeast wind 6 to 8 mph.
Thursday Night
Partly cloudy, with a low around 32. Southeast wind around 6 mph.
Friday
Mostly sunny, with a high near 45. Southwest wind 6 to 10 mph.
Friday Night
A slight chance of rain after 2am. Mostly cloudy, with a low around 37. Southwest wind around 10 mph. Chance of precipitation is 20%.
Saturday
A chance of rain before 2pm. Mostly cloudy, with a high near 47. South wind 11 to 15 mph. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 38. Southwest wind around 13 mph.
Sunday
A chance of rain after 9am. Mostly cloudy, with a high near 48. Southwest wind around 14 mph. Chance of precipitation is 30%.
Sunday Night
A chance of rain before 4am. Mostly cloudy, with a low around 34. Northwest wind 13 to 15 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 43. North wind around 15 mph.
Monday Night
Mostly clear, with a low around 29. North wind 13 to 15 mph.
Tuesday
Sunny, with a high near 41. North wind around 10 mph becoming southeast in the afternoon.
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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:
3:06 am EDT Mar 18, 2026
Forecast Valid:
5am EDT Mar 18, 2026-6pm EDT Mar 24, 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