Weather history · Portland, US

Explore the daily pressure history for Portland.

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

Daily mean atmospheric pressure 1,0371,0311,0251,0191,012 1 Jul21 Jul10 Aug30 Aug18 Sept8 Oct28 Oct hPa 17 Oct 2026: 1,017.3 hPa18 Oct 2026: 1,033.5 hPa19 Oct 2026: 1,030.8 hPa20 Oct 2026: 1,024.9 hPa21 Oct 2026: 1,025 hPa22 Oct 2026: 1,016.1 hPa23 Oct 2026: 1,026.4 hPa24 Oct 2026: 1,032.6 hPa25 Oct 2026: 1,031.7 hPa26 Oct 2026: 1,020.4 hPa27 Oct 2026: 1,026.7 hPa28 Oct 2026: 1,030.9 hPa