Weather history · Ottawa, CA

Explore the daily pressure history for Ottawa.

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

Daily mean atmospheric pressure 1,0261,0201,0131,006999 1 Jul11 Jul21 Jul31 Jul9 Aug19 Aug29 Aug hPa 3 Jul 2026: 1,011.8 hPa4 Jul 2026: 1,012.5 hPa5 Jul 2026: 1,016 hPa6 Jul 2026: 1,018.8 hPa7 Jul 2026: 1,017.9 hPa8 Jul 2026: 1,013.6 hPa9 Jul 2026: 1,009.7 hPa10 Jul 2026: 1,011.2 hPa11 Jul 2026: 1,017.3 hPa12 Jul 2026: 1,021.2 hPa13 Jul 2026: 1,017.1 hPa14 Jul 2026: 1,009.9 hPa15 Jul 2026: 1,009.9 hPa16 Jul 2026: 1,011 hPa17 Jul 2026: 1,016.6 hPa18 Jul 2026: 1,005.4 hPa19 Jul 2026: 1,010.2 hPa20 Jul 2026: 1,012.1 hPa21 Jul 2026: 1,002.4 hPa22 Jul 2026: 1,004.7 hPa23 Jul 2026: 1,016.9 hPa24 Jul 2026: 1,020.7 hPa25 Jul 2026: 1,017 hPa26 Jul 2026: 1,010.7 hPa27 Jul 2026: 1,007.5 hPa28 Jul 2026: 1,002.9 hPa29 Jul 2026: 1,005.6 hPa30 Jul 2026: 1,010.9 hPa31 Jul 2026: 1,013 hPa1 Aug 2026: 1,011.6 hPa2 Aug 2026: 1,009.9 hPa3 Aug 2026: 1,005.9 hPa4 Aug 2026: 1,016.1 hPa5 Aug 2026: 1,017.7 hPa6 Aug 2026: 1,017 hPa7 Aug 2026: 1,017.8 hPa8 Aug 2026: 1,012.4 hPa9 Aug 2026: 1,012.5 hPa10 Aug 2026: 1,011.9 hPa11 Aug 2026: 1,010.2 hPa12 Aug 2026: 1,009.2 hPa13 Aug 2026: 1,011 hPa14 Aug 2026: 1,018.2 hPa15 Aug 2026: 1,022.8 hPa16 Aug 2026: 1,016 hPa17 Aug 2026: 1,009.7 hPa18 Aug 2026: 1,012 hPa19 Aug 2026: 1,010.1 hPa20 Aug 2026: 1,015.7 hPa21 Aug 2026: 1,020 hPa22 Aug 2026: 1,015.2 hPa23 Aug 2026: 1,006.5 hPa24 Aug 2026: 1,009.6 hPa25 Aug 2026: 1,013.8 hPa26 Aug 2026: 1,016.1 hPa27 Aug 2026: 1,010.9 hPa28 Aug 2026: 1,017.4 hPa29 Aug 2026: 1,019.7 hPa