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

28°F

-2°C

Humidity 39%
Wind Speed NW 14 G 22 mph
Barometer 30.18 in (1022.0 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 18 Mar 2:53 am EDT
Extended Forecast for

Chilmark MA

  • Overnight

    Overnight: Mostly clear, with a low around 25. Northwest wind around 15 mph.

    Low: 25 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 33. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 33 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. South wind around 6 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 36. Southeast wind 6 to 9 mph.

    High: 36 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33. Southeast wind around 7 mph.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44. Southwest wind 7 to 11 mph.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38. Southwest wind around 11 mph.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain before 3pm. Mostly cloudy, with a high near 46. South wind 14 to 16 mph. Chance of precipitation is 50%.

    High: 46 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 38. Southwest wind around 14 mph.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 25. Northwest wind around 15 mph.
Wednesday
Mostly sunny, with a high near 33. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Wednesday Night
Partly cloudy, with a low around 29. South wind around 6 mph.
Thursday
Sunny, with a high near 36. Southeast wind 6 to 9 mph.
Thursday Night
Partly cloudy, with a low around 33. Southeast wind around 7 mph.
Friday
Mostly sunny, with a high near 44. Southwest wind 7 to 11 mph.
Friday Night
Mostly cloudy, with a low around 38. Southwest wind around 11 mph.
Saturday
A chance of rain before 3pm. Mostly cloudy, with a high near 46. South wind 14 to 16 mph. Chance of precipitation is 50%.
Saturday Night
Mostly cloudy, with a low around 38. Southwest wind around 14 mph.
Sunday
A chance of rain after 9am. Mostly cloudy, with a high near 47. Southwest wind around 15 mph. Chance of precipitation is 30%.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 35. Breezy, with a northwest wind 15 to 20 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 42. North wind 14 to 18 mph.
Monday Night
Mostly clear, with a low around 29. North wind 15 to 17 mph.
Tuesday
Sunny, with a high near 40. North wind 10 to 13 mph becoming southeast 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:
3:06 am EDT Mar 18, 2026
Forecast Valid:
3am 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