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 E 9 mph
Barometer 29.96 in (1014.4 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 21 Mar 6:53 pm EDT
Extended Forecast for

Chilmark MA

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. Northeast wind 5 to 7 mph becoming calm.

    Low: 36 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain likely, mainly after 1pm. Cloudy, with a high near 49. South wind 14 to 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Chance Rain
    then Rain
    Likely

  • Sunday Night

    Sunday Night: Rain, mainly before 4am. Low around 37. West wind 9 to 13 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 37 °F

    Rain

  • Monday

    Monday: A chance of rain showers before 1pm, then a slight chance of snow showers between 1pm and 3pm. Cloudy, with a high near 40. North wind around 17 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 40 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Monday Night

    Monday Night: A chance of snow showers, mainly before 1am. Mostly cloudy, with a low around 30. North wind around 15 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 30 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: Sunny, with a high near 40. North wind 6 to 10 mph becoming west in the afternoon.

    High: 40 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 34. Southwest wind 11 to 14 mph.

    Low: 34 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 44. Southwest wind 15 to 17 mph.

    High: 44 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 35. Southwest wind 13 to 15 mph.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 36. Northeast wind 5 to 7 mph becoming calm.
Sunday
Rain likely, mainly after 1pm. Cloudy, with a high near 49. South wind 14 to 18 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain, mainly before 4am. Low around 37. West wind 9 to 13 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A chance of rain showers before 1pm, then a slight chance of snow showers between 1pm and 3pm. Cloudy, with a high near 40. North wind around 17 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday Night
A chance of snow showers, mainly before 1am. Mostly cloudy, with a low around 30. North wind around 15 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Tuesday
Sunny, with a high near 40. North wind 6 to 10 mph becoming west in the afternoon.
Tuesday Night
Partly cloudy, with a low around 34. Southwest wind 11 to 14 mph.
Wednesday
Partly sunny, with a high near 44. Southwest wind 15 to 17 mph.
Wednesday Night
Mostly cloudy, with a low around 35. Southwest wind 13 to 15 mph.
Thursday
Partly sunny, with a high near 47. South wind around 14 mph.
Thursday Night
Rain likely. Mostly cloudy, with a low around 38. Breezy, with a south wind 18 to 23 mph. Chance of precipitation is 60%.
Friday
A chance of rain. Mostly sunny, with a high near 46. Breezy, with a northwest wind 14 to 20 mph. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 27. North wind 14 to 16 mph.
Saturday
Sunny, with a high near 39. North wind 10 to 13 mph becoming west in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chilmark MA
 41.37°N 70.75°W (Elev. 299 ft)
Last Update:
6:13 pm EDT Mar 21, 2026
Forecast Valid:
7pm EDT Mar 21, 2026-6pm EDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation