In October, Pleasanton typically sees daytime highs of 23.3°C and overnight lows around 10.7°C. Compared to the annual average high of 20.7°C, October runs +2.6°C.
October in Pleasanton averages a daytime high of 23.3°C and an overnight low of 10.7°C.
October runs +2.6°C compared to Pleasanton's annual average high of 20.7°C, ranking #5 of 12 months by warmth.
Plan for daytime highs near 23.3°C and cooler evenings around 10.7°C.