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.

A Few Clouds

48°F

9°C

Humidity 68%
Wind Speed S 17 G 32 mph
Barometer 29.95 in (1014.3 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 20 Mar 3:53 pm EDT
Extended Forecast for

Chilmark MA

  • Tonight

    Tonight: Rain, mainly after 7pm. Patchy fog after midnight. Low around 39. Breezy, with a southwest wind 18 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain and
    Patchy Fog

  • Saturday

    Saturday: A chance of rain before 8am. Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 47. West wind around 11 mph becoming north in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance Rain
    and Patchy
    Fog then
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 36. North wind 5 to 7 mph becoming southeast after midnight.

    Low: 36 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of rain, mainly after 3pm. Mostly cloudy, with a high near 46. South wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 46 °F

    Cloudy then
    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 10pm. Cloudy, with a low around 36. Southwest wind 11 to 13 mph becoming north after midnight. Chance of precipitation is 60%.

    Low: 36 °F

    Rain Likely

  • Monday

    Monday: Rain likely, mainly before 8am. Mostly cloudy, with a high near 42. North wind around 16 mph. Chance of precipitation is 60%.

    High: 42 °F

    Rain Likely

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. Northwest wind around 15 mph.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 40. Northwest wind 9 to 14 mph.

    High: 40 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 33. Southwest wind 11 to 14 mph.

    Low: 33 °F

    Partly Cloudy

Detailed Forecast

Tonight
Rain, mainly after 7pm. Patchy fog after midnight. Low around 39. Breezy, with a southwest wind 18 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
A chance of rain before 8am. Patchy fog before 10am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 47. West wind around 11 mph becoming north in the afternoon. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Increasing clouds, with a low around 36. North wind 5 to 7 mph becoming southeast after midnight.
Sunday
A chance of rain, mainly after 3pm. Mostly cloudy, with a high near 46. South wind 10 to 15 mph. Chance of precipitation is 30%.
Sunday Night
Rain likely, mainly after 10pm. Cloudy, with a low around 36. Southwest wind 11 to 13 mph becoming north after midnight. Chance of precipitation is 60%.
Monday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 42. North wind around 16 mph. Chance of precipitation is 60%.
Monday Night
Mostly cloudy, with a low around 30. Northwest wind around 15 mph.
Tuesday
Sunny, with a high near 40. Northwest wind 9 to 14 mph.
Tuesday Night
Partly cloudy, with a low around 33. Southwest wind 11 to 14 mph.
Wednesday
A chance of rain between 9am and 3pm. Mostly cloudy, with a high near 43. Southwest wind around 16 mph. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 31. Northwest wind around 15 mph.
Thursday
Mostly sunny, with a high near 44. Northwest wind 11 to 13 mph becoming southwest in the morning.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 36. Southwest wind 16 to 18 mph. Chance of precipitation is 30%.
Friday
A chance of rain. Mostly cloudy, with a high near 46. West wind 15 to 18 mph. Chance of precipitation is 50%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chilmark MA
 41.37°N 70.75°W (Elev. 299 ft)
Last Update:
1:08 pm EDT Mar 20, 2026
Forecast Valid:
4pm EDT Mar 20, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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