In August, Federal Way typically sees daytime highs of 24.1°C and overnight lows around 12.4°C. Compared to the annual average high of 15.5°C, August runs +8.6°C.
August in Federal Way averages a daytime high of 24.1°C and an overnight low of 12.4°C.
August runs +8.6°C compared to Federal Way's annual average high of 15.5°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 24.1°C and cooler evenings around 12.4°C.