Milwaukee Summerfest 2024 Schedule. Summer soulstice music festival is returning saturday, june 15 from noon to midnight! Find the date, time and stage for each act here.

 — here’s the 2024 summerfest lineup, organized by day so you can plan your ultimate fest.  — summerfest announced the 2024 festival lineup, including ajr with carly rae jepsen, rico nasty, muna, hippo campus and many more artists.