In June, Portland typically sees daytime highs of 22.7°C and overnight lows around 10.0°C. Compared to the annual average high of 16.7°C, June runs +6.0°C.
June in Portland averages a daytime high of 22.7°C and an overnight low of 10.0°C.
June runs +6.0°C compared to Portland's annual average high of 16.7°C, ranking #4 of 12 months by warmth.
Plan for daytime highs near 22.7°C and cooler evenings around 10.0°C.