Festival dijadwalkan dari 27 Jun hingga 08 Jul 2018 (11 hari).
Summerfest berlangsung di Milwaukee, United States. Berikut adalah alamat lengkap festival: Henry Maier Festival Park; Milwaukee, Wisconsin, United States
The Weeknd, Imagine Dragons, Luke Combs, Def Leppard, NF, Trippie Redd, Shawn Mendes, The Neighbourhood, Machine Gun Kelly, Pixies, Kane Brown, Greta Van Fleet, Halsey, Journey, Blake Shelton, James Taylor, Kaleo, Brett Young, Marshmello, Social Distortion.
Genre dan sub-genre yang paling populer dari edisi sebelumnya adalah:
rock
pop
folk
alternative rock
alternative
indie
indie rock
hard rock
classic rock
indie pop
pop rock
blues rock
rnb
punk rock
metal
power pop
acoustic
emo
post-grunge