In October, Renton typically sees daytime highs of 15.6°C and overnight lows around 6.6°C. Compared to the annual average high of 15.2°C, October runs +0.4°C.
October in Renton averages a daytime high of 15.6°C and an overnight low of 6.6°C.
October runs +0.4°C compared to Renton's annual average high of 15.2°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 15.6°C and cooler evenings around 6.6°C.