Current conditions at
Marthas Vineyard Airport (KMVY)
Lat: 41.39°NLon: 70.62°WElev: 59ft.
Overcast
67°F
19°C
| Humidity | 93% |
| Wind Speed | W 6 mph |
| Barometer | 29.83 in (1009.9 mb) |
| Dewpoint | 65°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 13 Aug 4:53 am EDT |
Extended Forecast for
Chilmark MA
Overnight

Low: 67 °F
Chance
T-storms and
Patchy FogThursday
High: 77 °F
Showers and
Patchy Fog
then Slight
Chance
ShowersThursday Night

Low: 69 °F
Mostly Clear
Friday

High: 77 °F
Sunny
Friday Night

Low: 67 °F
Mostly Clear
Saturday

High: 75 °F
Sunny
Saturday Night

Low: 68 °F
Partly Cloudy
Sunday

High: 75 °F
Mostly Sunny
Sunday Night

Low: 69 °F
Showers
Detailed Forecast
Overnight
A chance of showers and thunderstorms. Patchy fog. Otherwise, cloudy, with a low around 67. Calm wind. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms before 11am, then a slight chance of showers between 11am and 2pm. Patchy fog between 8am and 9am. High near 77. Southwest wind 9 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Mostly clear, with a low around 69. West wind 8 to 10 mph becoming north after midnight.
Friday
Sunny, with a high near 77. North wind 7 to 9 mph becoming southwest in the afternoon.
Friday Night
Mostly clear, with a low around 67. Southwest wind 6 to 10 mph becoming north after midnight.
Saturday
Sunny, with a high near 75. North wind 6 to 10 mph.
Saturday Night
Partly cloudy, with a low around 68. Southwest wind around 7 mph.
Sunday
Mostly sunny, with a high near 75. South wind 6 to 14 mph.
Sunday Night
Showers, mainly after 8pm. Low around 69. South wind 14 to 18 mph. Chance of precipitation is 80%.
Monday
Showers likely, mainly before 10am. Mostly cloudy, with a high near 80. West wind 14 to 17 mph. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 66. West wind around 9 mph becoming north in the evening.
Tuesday
Sunny, with a high near 78. North wind 7 to 9 mph becoming south in the afternoon.
Tuesday Night
Mostly clear, with a low around 67. South wind around 7 mph.
Wednesday
Sunny, with a high near 78. West wind 6 to 11 mph becoming south in the afternoon.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Chilmark MA
41.35°N 70.78°W (Elev. 3 ft)
41.35°N 70.78°W (Elev. 3 ft)
5:20 am EDT Aug 13, 2026
5am EDT Aug 13, 2026-6pm EDT Aug 19, 2026


