In July, Portland typically sees daytime highs of 25.8°C and overnight lows around 15.1°C. Compared to the annual average high of 12.6°C, July runs +13.3°C.
July in Portland averages a daytime high of 25.8°C and an overnight low of 15.1°C.
July runs +13.3°C compared to Portland's annual average high of 12.6°C, ranking #1 of 12 months by warmth.
Plan for daytime highs near 25.8°C and cooler evenings around 15.1°C.