In October, San Francisco typically sees daytime highs of 24.2°C and overnight lows around 16.2°C. Compared to the annual average high of 25.2°C, October runs -1.0°C.
October in San Francisco averages a daytime high of 24.2°C and an overnight low of 16.2°C.
October runs -1.0°C compared to San Francisco's annual average high of 25.2°C, ranking #12 of 12 months by warmth.
Plan for daytime highs near 24.2°C and cooler evenings around 16.2°C.