Knott'S Scary Farm 2024 Dates. Halloween isn’t a time, it’s a feeling. October 3, 4, 5, 6, 9, 10, 11, 12, 13, 16, 17, 18, 19, 20, 23, 24, 25, 26, 27, 30, 31.

Knott’s scary farm opens at 7 p.m. Knott’s scary farm is california’s longest running halloween theme park event (it celebrated 50 years in 2023), which will have terrifying scare zones and frightening mazes as always.