It’s November and it’s 40 degrees outside, so you know what that means: Summerfest headliner announcements!

Yep! We already have Zac Brown Band, My Morning Jacket, Lake Street Dive, Foreigner, and Death Cab For Cutie lined up for Summerfest 2027. And now we have Mumford & Sons! The English folk rock stalwarts will headline the American Family Insurance Amphitheater on Friday, July 9. It will be the group’s first-ever Summerfest appearance.

Tickets go on sale Friday, November 13 at 10 a.m. at Summerfest.com, Ticketmaster.com, or in person at the AmFam box office.

Summerfest’s 2027 dates are June 24-26, July 1-3, and July 8-10.

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Co-Founder and Editor

Matt Wild weighs between 140 and 145 pounds. He lives on Milwaukee's east side.