find Halloween events for every vibe.

Best events in
Grayslake

Looking for something to do in Grayslake? Whether you're a local, new in town or just cruising through we've got loads of great tips and events. You can explore by location, what's popular, our top picks, free stuff... you got this. Ready?

autocomplete

Popular in Grayslake

Sheet Metal Supply - A Made In Your Back Yard Event!

Tuesday at 17:00 + 1 more

150 Pine St

Check ticket price for event

Boo Bash Trunk or Treat 2025 - Homesmart Connect Real Estate - Rocio Mena

Sat, Oct 11, 1:00 PM

University Center of Lake County

Check ticket price for event

Grayslake, IL FREE 5- Day Event

Tue, Oct 14, 10:00 AM + 4 more

Comfort Suites Grayslake near Libertyville North

Check ticket price for event

Silent Book Club Grayslake BB Oct Meet Up

Wed, Oct 15, 7:00 PM

107 Center St

Check ticket price for event

Blind Date with a book ( Spooky Edition)

Wed, Oct 15, 5:30 PM

10 N Lake St suite 104

Check ticket price for event

Community Meeting on IL 120 Study; Stop the Bypass!

Wed, Oct 22, 7:00 PM

The Byron Colby Barn

Check ticket price for event

Project Management Techniques Training Course in Grayslake, IL

Fri, Oct 24, 9:00 AM + 13 more

Regus

Check ticket price for event

CLC Engineering Night Oct 2025

Thu, Oct 30, 5:30 PM

College of Lake County

Check ticket price for event

Sheet Metal Supply - A Made In Your Back Yard Event!

Tuesday at 17:00 + 1 more

150 Pine St

Check ticket price for event

Boo Bash Trunk or Treat 2025 - Homesmart Connect Real Estate - Rocio Mena

Sat, Oct 11, 1:00 PM

University Center of Lake County

Check ticket price for event

Grayslake, IL FREE 5- Day Event

Tue, Oct 14, 10:00 AM + 4 more

Comfort Suites Grayslake near Libertyville North

Check ticket price for event

Silent Book Club Grayslake BB Oct Meet Up

Wed, Oct 15, 7:00 PM

107 Center St

Check ticket price for event

Blind Date with a book ( Spooky Edition)

Wed, Oct 15, 5:30 PM

10 N Lake St suite 104

Check ticket price for event

Community Meeting on IL 120 Study; Stop the Bypass!

Wed, Oct 22, 7:00 PM

The Byron Colby Barn

Check ticket price for event

Project Management Techniques Training Course in Grayslake, IL

Fri, Oct 24, 9:00 AM + 13 more

Regus

Check ticket price for event

CLC Engineering Night Oct 2025

Thu, Oct 30, 5:30 PM

College of Lake County

Check ticket price for event

Online Events

Explore more events

Embrace Change Structured Networking for Women of Color

Tuesday at 17:30 EDT

Check ticket price for event

2025 Edmonton Mayoral Candidate Forum - Virtual Event

Thursday at 18:00 MDT

Check ticket price for event

IOE DEdPsy Open Evening 2025

Thursday at 18:00 GMT+1

Check ticket price for event

Strategies to De-escalate Children in Distress [Free Webinar]

Mon, Oct 13, 12:00 PM CDT

Check ticket price for event

Seeds to Success: How to Create a School Garden Program (Virtual Workshop)

Wed, Oct 15, 3:00 PM EDT

Check ticket price for event

San Jose Career Fair

Thu, Oct 16, 9:30 AM PDT

Check ticket price for event

Keeping children safe online - webinar

Wed, Oct 22, 5:30 PM GMT+1

Check ticket price for event

CISA Active Shooter Preparedness Webinar - Region 3 - DC/DE/MD/PA/VA/WV

Wed, Oct 29, 1:00 PM EDT

Check ticket price for event

Embrace Change Structured Networking for Women of Color

Tuesday at 17:30 EDT

Check ticket price for event

2025 Edmonton Mayoral Candidate Forum - Virtual Event

Thursday at 18:00 MDT

Check ticket price for event

IOE DEdPsy Open Evening 2025

Thursday at 18:00 GMT+1

Check ticket price for event

Strategies to De-escalate Children in Distress [Free Webinar]

Mon, Oct 13, 12:00 PM CDT

Check ticket price for event

Seeds to Success: How to Create a School Garden Program (Virtual Workshop)

Wed, Oct 15, 3:00 PM EDT

Check ticket price for event

San Jose Career Fair

Thu, Oct 16, 9:30 AM PDT

Check ticket price for event

Keeping children safe online - webinar

Wed, Oct 22, 5:30 PM GMT+1

Check ticket price for event

CISA Active Shooter Preparedness Webinar - Region 3 - DC/DE/MD/PA/VA/WV

Wed, Oct 29, 1:00 PM EDT

Check ticket price for event

Explore more events

From nearby cities

Ali on the Run Show LIVE in Chicago

Friday at 17:30

150 W Roosevelt Rd

Check ticket price for event

NOBEL LAUREATE RICHARD THALER ON CAPITALISN'T

Tue, Oct 14, 5:00 PM

David Rubenstein Forum at the University of Chicago

Check ticket price for event

Lectures on Tap- "Leadership Superpowers: Lessons from the Marvel Universe"

Tue, Oct 14, 6:30 PM

River North

Check ticket price for event

2025 IIN Rosemary Schnell Symposium: Nanoscience Unleashed

Wed, Oct 15, 9:00 AM

Hilton Orrington Hotel

Check ticket price for event

Wauk-Tober 2025: Downtown Waukesha Wine & Beer Walk

Sat, Oct 18, 3:30 PM

Downtown Waukesha

Check ticket price for event

15th Chicago Seminars at Holiday Inn Heritage Edition 2025

Fri, Oct 24, 8:00 AM

Holiday Inn Chicago Oakbrook by IHG

Check ticket price for event

Chicago Tech Career Fair: Exclusive Tech Hiring Event

Fri, Oct 31, 11:00 AM

Moved to Virtual Event

Check ticket price for event

Illinois Perinatal Quality Collaborative 13th Annual Conference

Wed, Nov 12, 8:00 AM

The Westin Lombard Yorktown Center

Check ticket price for event

Ali on the Run Show LIVE in Chicago

Friday at 17:30

150 W Roosevelt Rd

Check ticket price for event

NOBEL LAUREATE RICHARD THALER ON CAPITALISN'T

Tue, Oct 14, 5:00 PM

David Rubenstein Forum at the University of Chicago

Check ticket price for event

Lectures on Tap- "Leadership Superpowers: Lessons from the Marvel Universe"

Tue, Oct 14, 6:30 PM

River North

Check ticket price for event

2025 IIN Rosemary Schnell Symposium: Nanoscience Unleashed

Wed, Oct 15, 9:00 AM

Hilton Orrington Hotel

Check ticket price for event

Wauk-Tober 2025: Downtown Waukesha Wine & Beer Walk

Sat, Oct 18, 3:30 PM

Downtown Waukesha

Check ticket price for event

15th Chicago Seminars at Holiday Inn Heritage Edition 2025

Fri, Oct 24, 8:00 AM

Holiday Inn Chicago Oakbrook by IHG

Check ticket price for event

Chicago Tech Career Fair: Exclusive Tech Hiring Event

Fri, Oct 31, 11:00 AM

Moved to Virtual Event

Check ticket price for event

Illinois Perinatal Quality Collaborative 13th Annual Conference

Wed, Nov 12, 8:00 AM

The Westin Lombard Yorktown Center

Check ticket price for event

Free events

Explore more events

Boo Bash Trunk or Treat 2025 - Homesmart Connect Real Estate - Rocio Mena

Sat, Oct 11, 1:00 PM

University Center of Lake County

Check ticket price for event

Silent Book Club Grayslake BB Oct Meet Up

Wed, Oct 15, 7:00 PM

107 Center St

Check ticket price for event

Community Meeting on IL 120 Study; Stop the Bypass!

Wed, Oct 22, 7:00 PM

The Byron Colby Barn

Check ticket price for event

CLC Engineering Night Oct 2025

Thu, Oct 30, 5:30 PM

College of Lake County

Check ticket price for event

Boo Bash Trunk or Treat 2025 - Homesmart Connect Real Estate - Rocio Mena

Sat, Oct 11, 1:00 PM

University Center of Lake County

Check ticket price for event

Silent Book Club Grayslake BB Oct Meet Up

Wed, Oct 15, 7:00 PM

107 Center St

Check ticket price for event

Community Meeting on IL 120 Study; Stop the Bypass!

Wed, Oct 22, 7:00 PM

The Byron Colby Barn

Check ticket price for event

CLC Engineering Night Oct 2025

Thu, Oct 30, 5:30 PM

College of Lake County

Check ticket price for event

Explore more events