Earlier Saturday, several people were spotted using fans and jumping in City Hall's reflection pool to stay cool in the heat.
PHOTOS: 2018 Houston Pride Parade
An attendee from Dallas says the humidity was not going to stop him from coming to Pride.
"I mean, I got my umbrella. I got my fan, I got my water. It is humid, it's way humid than anywhere I've ever been but you know, I'm here to have a good time," he said.
WATCH: Full video of 2018 Pride Parade in downtown Houston