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

41°F

5°C

Humidity 73%
Wind Speed SE 13 mph
Barometer 30.06 in (1017.9 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 28 Feb 2:53 pm EST
Extended Forecast for

Chilmark MA

  • Tonight

    Tonight: A slight chance of rain between midnight and 1am. Mostly cloudy, with a low around 29. Calm wind becoming north 5 to 7 mph after midnight. Chance of precipitation is 20%.

    Low: 29 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: A slight chance of rain before 1pm, then snow likely. Increasing clouds, with a high near 37. North wind 9 to 11 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Slight Chance
    Rain then
    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: A chance of snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 14. Wind chill values as low as zero. North wind 10 to 15 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 14 °F

    Chance Snow
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 27. Wind chill values as low as zero. North wind 5 to 14 mph.

    High: 27 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 20. Light and variable wind becoming south 5 to 7 mph after midnight.

    Low: 20 °F

    Mostly Clear

  • Tuesday

    Tuesday: A chance of rain, mainly after noon. Partly sunny, with a high near 42. South wind 10 to 13 mph. Chance of precipitation is 50%.

    High: 42 °F

    Slight Chance
    Rain then
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain. Low around 35. Southwest wind 14 to 16 mph. Chance of precipitation is 90%.

    Low: 35 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before 7am. Mostly cloudy, with a high near 42. West wind 7 to 14 mph becoming east in the afternoon. Chance of precipitation is 60%.

    High: 42 °F

    Rain Likely
    then Partly
    Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain after 2am. Mostly cloudy, with a low around 34. Southeast wind around 7 mph. Chance of precipitation is 30%.

    Low: 34 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
A slight chance of rain between midnight and 1am. Mostly cloudy, with a low around 29. Calm wind becoming north 5 to 7 mph after midnight. Chance of precipitation is 20%.
Sunday
A slight chance of rain before 1pm, then snow likely. Increasing clouds, with a high near 37. North wind 9 to 11 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Sunday Night
A chance of snow before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 14. Wind chill values as low as zero. North wind 10 to 15 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Monday
Sunny, with a high near 27. Wind chill values as low as zero. North wind 5 to 14 mph.
Monday Night
Mostly clear, with a low around 20. Light and variable wind becoming south 5 to 7 mph after midnight.
Tuesday
A chance of rain, mainly after noon. Partly sunny, with a high near 42. South wind 10 to 13 mph. Chance of precipitation is 50%.
Tuesday Night
Rain. Low around 35. Southwest wind 14 to 16 mph. Chance of precipitation is 90%.
Wednesday
Rain likely, mainly before 7am. Mostly cloudy, with a high near 42. West wind 7 to 14 mph becoming east in the afternoon. Chance of precipitation is 60%.
Wednesday Night
A chance of rain after 2am. Mostly cloudy, with a low around 34. Southeast wind around 7 mph. Chance of precipitation is 30%.
Thursday
A chance of rain. Cloudy, with a high near 44. South wind 9 to 11 mph. Chance of precipitation is 40%.
Thursday Night
A chance of rain. Cloudy, with a low around 36. Southwest wind 11 to 13 mph becoming northeast after midnight. Chance of precipitation is 50%.
Friday
A chance of rain. Cloudy, with a high near 43. East wind 11 to 13 mph. Chance of precipitation is 50%.
Friday Night
A chance of rain. Cloudy, with a low around 36. East wind around 10 mph becoming southwest after midnight. Chance of precipitation is 30%.
Saturday
A chance of rain. Cloudy, with a high near 45. Southwest wind 9 to 11 mph. Chance of precipitation is 30%.
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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:
1:24 pm EST Feb 28, 2026
Forecast Valid:
3pm EST Feb 28, 2026-6pm EST Mar 7, 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