Weather history · Portland, US

Explore the daily pressure history for Portland.

Pressure in Portland from 1 Jul 2026 to 29 Aug 2026, based on completed daily observations.

Daily mean atmospheric pressure 1,0261,0211,0171,0121,008 1 Jul11 Jul21 Jul31 Jul9 Aug19 Aug29 Aug hPa 3 Jul 2026: 1,017.7 hPa4 Jul 2026: 1,019 hPa5 Jul 2026: 1,017.1 hPa6 Jul 2026: 1,013.6 hPa7 Jul 2026: 1,016.7 hPa8 Jul 2026: 1,020.9 hPa9 Jul 2026: 1,018.7 hPa10 Jul 2026: 1,013.1 hPa11 Jul 2026: 1,015.6 hPa12 Jul 2026: 1,019 hPa13 Jul 2026: 1,017 hPa14 Jul 2026: 1,017.4 hPa15 Jul 2026: 1,016.6 hPa16 Jul 2026: 1,016 hPa17 Jul 2026: 1,016.4 hPa18 Jul 2026: 1,018.8 hPa19 Jul 2026: 1,016.7 hPa20 Jul 2026: 1,013.6 hPa21 Jul 2026: 1,012.6 hPa22 Jul 2026: 1,011.7 hPa23 Jul 2026: 1,016.7 hPa24 Jul 2026: 1,013.9 hPa25 Jul 2026: 1,015.5 hPa26 Jul 2026: 1,017.1 hPa27 Jul 2026: 1,017.2 hPa28 Jul 2026: 1,017.2 hPa29 Jul 2026: 1,015.5 hPa30 Jul 2026: 1,018 hPa31 Jul 2026: 1,018.4 hPa1 Aug 2026: 1,021.1 hPa2 Aug 2026: 1,022.3 hPa3 Aug 2026: 1,019.1 hPa4 Aug 2026: 1,013.3 hPa5 Aug 2026: 1,011.8 hPa6 Aug 2026: 1,013.5 hPa7 Aug 2026: 1,016.6 hPa8 Aug 2026: 1,018.1 hPa9 Aug 2026: 1,017.3 hPa10 Aug 2026: 1,018.1 hPa11 Aug 2026: 1,018.4 hPa12 Aug 2026: 1,015.4 hPa13 Aug 2026: 1,011.5 hPa14 Aug 2026: 1,014.3 hPa15 Aug 2026: 1,019.4 hPa16 Aug 2026: 1,021.3 hPa17 Aug 2026: 1,019 hPa18 Aug 2026: 1,018.9 hPa19 Aug 2026: 1,016.3 hPa20 Aug 2026: 1,013.7 hPa21 Aug 2026: 1,015 hPa22 Aug 2026: 1,017.5 hPa23 Aug 2026: 1,018.7 hPa24 Aug 2026: 1,013.5 hPa25 Aug 2026: 1,015.1 hPa26 Aug 2026: 1,016.7 hPa27 Aug 2026: 1,017.2 hPa28 Aug 2026: 1,016.9 hPa29 Aug 2026: 1,018.3 hPa