In October, El Cajon typically sees daytime highs of 26.2°C and overnight lows around 10.3°C. Compared to the annual average high of 23.9°C, October runs +2.3°C.
October in El Cajon averages a daytime high of 26.2°C and an overnight low of 10.3°C.
October runs +2.3°C compared to El Cajon's annual average high of 23.9°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 26.2°C and cooler evenings around 10.3°C.