Knox County Watermelon Festival

We're bringing the 2026 Watermelon Festival to downtown Vincennes on Friday, August 7th and Saturday, August 8th at Patrick Henry Square. Don't miss two days packed with great food, entertainment, and all things watermelon! Be sure to follow the official Watermelon Festival Facebook page for live updates, announcements, and event details! The Watermelon Fest is home to a variety of vendors - from delicious fair foods and children's toys to unique clothing, handmade goods, and more. We're now accepting vendor applications for this year's festival! Click Here to Access the 2026 Vendor Application! We're thrilled to welcome the Watermelon Pageant as part of the festival! The pageant will feature three age categories: Lace up your running shoes and join us for the Watermelon Festival 5K Color Run/Walk - a fun, family-friendly event welcoming runners and walkers of all ages and experience...