In October, Brentwood typically sees daytime highs of 17.3°C and overnight lows around 8.0°C. Compared to the annual average high of 15.1°C, October runs +2.2°C.
October in Brentwood averages a daytime high of 17.3°C and an overnight low of 8.0°C.
October runs +2.2°C compared to Brentwood's annual average high of 15.1°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 17.3°C and cooler evenings around 8.0°C.