Weather history · Portland, US

Explore the daily humidity history for Portland.

Humidity in Portland from 1 Jul 2026 to 28 Oct 2026, based on completed daily observations.

Daily mean relative humidity 7870635548 1 Jul21 Jul10 Aug30 Aug18 Sept8 Oct28 Oct % 17 Oct 2026: 57.9 %18 Oct 2026: 60.9 %19 Oct 2026: 75.4 %20 Oct 2026: 64.7 %21 Oct 2026: 68.5 %22 Oct 2026: 62 %23 Oct 2026: 50.1 %24 Oct 2026: 63.5 %25 Oct 2026: 75.5 %26 Oct 2026: 70.1 %27 Oct 2026: 54.5 %28 Oct 2026: 62.2 %
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