In October, San Francisco typically sees daytime highs of 25.1°C and overnight lows around 11.2°C. Compared to the annual average high of 24.7°C, October runs +0.4°C.
October in San Francisco averages a daytime high of 25.1°C and an overnight low of 11.2°C.
October runs +0.4°C compared to San Francisco's annual average high of 24.7°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 25.1°C and cooler evenings around 11.2°C.