The film cost $175 million to make, not counting marketing expenses.
The John Leonetti-directed film stars Joey King, Ryan Phillippe, Ki Hong Lee, Mitchell Slaggert, Shannon Purser, Sydney Park, Kevin Hanchard, and Sherilyn Fenn.
The figure includes $5 million from Thursday previews.
Made for about $150 million before marketing, War for the Planet of the Apes stars Andy Serkis, Woody Harrelson, Steve Zahn, Amiah Miller, Karin Konoval, Judy Greer and Terry Notary.