Summerfest returns to Milwaukee, Wisconsin from June 10-July 4, 2026, featuring an impressive lineup of 176 artists spanning rock, pop, country, hip hop, and alternative genres. Major headliners include Post Malone, Ed Sheeran, Muse, Garth Brooks, The Roots, Megadeth, Don Toliver, and Louis Tomlinson, alongside notable acts like Third Eye Blind, Father John Misty, Styx, Sean Paul, and Jelly Roll. The festival showcases diverse international talent with artists from the United States, Australia, United Kingdom, Canada, Mexico, Sweden, New Zealand, and Jamaica. This massive 25-day music celebration offers something for every music fan with its genre-spanning roster of established headliners and emerging artists.