In October, Kennewick typically sees daytime highs of 18.2°C and overnight lows around 4.2°C. Compared to the annual average high of 17.9°C, October runs +0.3°C.
October in Kennewick averages a daytime high of 18.2°C and an overnight low of 4.2°C.
October runs +0.3°C compared to Kennewick's annual average high of 17.9°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 18.2°C and cooler evenings around 4.2°C.