Things To Do In Chicago October 2025. A new exhibit, aim high: Chicago’s october calendar includes halloween parties at parks, art events, and open house chicago.

Whether you’re looking for events today, this weekend, or for some time in the future, you can search by type of event, by date,. Lincoln square ravenswood apple fest, bank of america chicago marathon (october 12, 2025), arts in the dark halloween parade and open house chicago presented by chicago.