Downtown Mount Vernon’s Most Happening Weekend takes place on August 15–16, 2026, featuring the Mount Vernon Farmers Market, massive downtown business specials and sidewalk sales, local anniversary celebrations, and the annual ValleyFest 3×3 Basketball Tournament.

Temperate Habits Block Party

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VALLEYFEST 3V3 Tournament

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Mount Vernon Farmers Market

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Downtown Sidewalk Sales

At various participating locations.

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