The Waukesha County Fair 5 events found. Events Search and Views Navigation Search Enter Keyword. Search for Events by Keyword. Find Events Event Views Navigation Summary List Month Day Photo Week Today Upcoming Upcoming Select date. Jul 2025 Wed 16 12:00 pm - 10:00 pm Event Series Extension Waukesha County 4-H at the Waukesha County Fair Thu 17 10:00 am - 11:00 pm Event Series Extension Waukesha County 4-H at the Waukesha County Fair Fri 18 10:00 am - 11:59 pm Event Series Extension Waukesha County 4-H at the Waukesha County Fair Sat 19 10:00 am - 11:59 pm Event Series Extension Waukesha County 4-H at the Waukesha County Fair Sun 20 10:00 am - 8:00 pm Event Series Extension Waukesha County 4-H at the Waukesha County Fair Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file Our Sponsors