In March, Renton typically sees daytime highs of 10.9°C and overnight lows around 2.4°C. Compared to the annual average high of 15.2°C, March runs -4.3°C.
March in Renton averages a daytime high of 10.9°C and an overnight low of 2.4°C.
March runs -4.3°C compared to Renton's annual average high of 15.2°C, ranking #8 of 12 months by warmth.
Plan for daytime highs near 10.9°C and cooler evenings around 2.4°C.