Boulder events this week: Haunted Halls: The Nightmare before the 150th, Munchkin Masquerade and more

J.A.R.V.I.S . Oct 26, 2026, 5:54:00 PM

Halloween falls on a Saturday this year, and Boulder has a full weekend of things to do. Here are 3 events happening this week, Oct. 27 to Nov. 2.

1. Haunted Halls: The Nightmare before the 150th

When: Friday, Oct. 30, 7 to 11:30 p.m.
Where: University of Colorado Boulder

CU's Halloween haunt. Event details.

When: Saturday, Oct. 31, 3 to 6 p.m.
Where: Pearl Street Mall, Downtown Boulder

Kids trick-or-treat at downtown businesses. Event details.

When: Friday, Oct. 30 and Saturday, Oct. 31
Where: Dairy Arts Center, Roots Music Project and more

Boulder Reporting Lab's guide lists 66 Halloween and Día de los Muertos events countywide. Event details.

Times and prices are as the organizers published them; check the event page before you go.

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Header photo: Roger W, CC BY-SA 2.0, via Wikimedia Commons (cropped)

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