In October, San Antonio typically sees daytime highs of 29.4°C and overnight lows around 17.6°C. Compared to the annual average high of 28.9°C, October runs +0.6°C.
October in San Antonio averages a daytime high of 29.4°C and an overnight low of 17.6°C.
October runs +0.6°C compared to San Antonio's annual average high of 28.9°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 29.4°C and cooler evenings around 17.6°C.