In August, Gresham typically sees daytime highs of 26.0°C and overnight lows around 11.7°C. Compared to the annual average high of 16.1°C, August runs +10.0°C.
August in Gresham averages a daytime high of 26.0°C and an overnight low of 11.7°C.
August runs +10.0°C compared to Gresham's annual average high of 16.1°C, ranking #2 of 12 months by warmth.
Plan for daytime highs near 26.0°C and cooler evenings around 11.7°C.