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

72°F

22°C

Humidity 57%
Wind Speed S 9 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 15 Apr 1:53 pm EDT
Extended Forecast for

Chilmark MA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 61. South wind around 10 mph.

    High: 61 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly between midnight and 5am. Patchy fog before 10pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 51. Southwest wind 7 to 9 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 56. Southwest wind 9 to 14 mph.

    High: 56 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 47. Southwest wind 11 to 14 mph.

    Low: 47 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Friday

    Friday: A slight chance of showers before 8am, then a chance of showers after 9am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 60. Southwest wind around 9 mph. Chance of precipitation is 30%.

    High: 60 °F

    Chance
    Showers and
    Patchy Fog

  • Friday Night

    Friday Night: A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 45. Northeast wind around 9 mph. Chance of precipitation is 30%.

    Low: 45 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 54. East wind around 10 mph.

    High: 54 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 45. Southeast wind around 7 mph.

    Low: 45 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 4pm. Mostly cloudy, with a high near 54. South wind 10 to 14 mph becoming west in the afternoon. Chance of precipitation is 60%.

    High: 54 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 61. South wind around 10 mph.
Tonight
A chance of showers and thunderstorms, mainly between midnight and 5am. Patchy fog before 10pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 51. Southwest wind 7 to 9 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 56. Southwest wind 9 to 14 mph.
Thursday Night
Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 47. Southwest wind 11 to 14 mph.
Friday
A slight chance of showers before 8am, then a chance of showers after 9am. Patchy fog before 9am. Otherwise, partly sunny, with a high near 60. Southwest wind around 9 mph. Chance of precipitation is 30%.
Friday Night
A chance of showers, mainly before 8pm. Mostly cloudy, with a low around 45. Northeast wind around 9 mph. Chance of precipitation is 30%.
Saturday
Mostly cloudy, with a high near 54. East wind around 10 mph.
Saturday Night
Mostly cloudy, with a low around 45. Southeast wind around 7 mph.
Sunday
Showers likely, mainly after 4pm. Mostly cloudy, with a high near 54. South wind 10 to 14 mph becoming west in the afternoon. Chance of precipitation is 60%.
Sunday Night
Showers likely, mainly before 7pm. Mostly cloudy, with a low around 37. West wind 15 to 17 mph. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 48. West wind 15 to 17 mph.
Monday Night
Partly cloudy, with a low around 35. Northwest wind around 15 mph.
Tuesday
Sunny, with a high near 49. Northwest wind 11 to 14 mph becoming southwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chilmark MA
 41.35°N 70.78°W (Elev. 3 ft)
Last Update:
2:36 pm EDT Apr 15, 2026
Forecast Valid:
2pm EDT Apr 15, 2026-6pm EDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation