This year’s theme, “Past, Present and Future Luma.” Livestock shows, still exhibits, rides, local food, free Clover ice cream sampling. $26.90–$31.04. Ages 3 and under: free. Ticket includes carnival & concert. Add’l fee for parking. June 18–21. 11 am.–11 p.m. Gates close at 10 p.m. Sonoma-Marin Fairgrounds. 175 Fairgrounds Dr., Petaluma. petalumafairgrounds.com/petalumafair.