Watermelon Festival
August 7 @ 5:00 pm – 9:00 pm
FREE! The 2026 Knox County Watermelon Festival will take place in downtown Vincennes at Patrick Henry Square on Friday, August 7th and Saturday, August 8th. The two-day community event celebrates the region’s massive watermelon industry with live music, food and craft booths, pageants, and family contests.
Key Event Highlights
- Main Location: Patrick Henry Square, Market Street, Vincennes, IN [1]
- Dates & Times:
- Friday, August 7: 5:00 PM – 9:00 PM
- Saturday, August 8: 8:00 AM – 8:00 PM
- Saturday Morning Kickoff: The annual 5K Color Run/Walk, sponsored by Old National Bank.
- Family Activities: The Watermelon Eating and Seed Spitting contests.
- Entertainment: Pageants (including the Miss Watermelon Pageant), a baby/toddler contest, cutest pet contest, and free stage entertainment.
For up-to-date schedule details or to register a craft or food booth, check the Knox County Chamber of Commerce event page or follow the official 2026 Knox County Watermelon Festival Facebook page.



