Climate Change in Portland 12 indicators covering climate change for Portland. IndicatorLatest Year10-yr change Rank Air temperature, hot days, tropical nights and icing days - Cities 15.66 Degrees celsius 2025 up 35.6% 381st Air temperature, hot days, tropical nights and icing days - Cities 5.8 Degrees celsius 2025 up 242.7% 74th Climate projections by scenario, 2030–2060 – Cities and FUAs 12.43 Degrees celsius 2060 up 0.8% 772nd Climate projections by scenario, 2030–2060 – Cities and FUAs 1.6 Degrees celsius 2060 up 6.8% 850th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.05 Tonnes of CO2-equivalent 2024 down 16.7% 341st Greenhouse gas emissions - Cities and FUAs — GHG emissions from 3.42 Tonnes of CO2-equivalent 2024 up 5.2% 33rd Greenhouse gas emissions - Cities and FUAs — GHG emissions from 3.66 Tonnes of CO2-equivalent 2024 up 10.2% 67th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 3.58 Tonnes of CO2-equivalent 2024 up 9.8% 65th Greenhouse gas emissions - Cities and FUAs — GHG emissions from power 0.41 Tonnes of CO2-equivalent 2024 up 64.0% 300th Greenhouse gas emissions - Cities and FUAs — GHG emissions from road 4.05 Tonnes of CO2-equivalent 2024 down 1.0% 27th Greenhouse gas emissions - Cities and FUAs — GHG emissions total 12.2 Tonnes of CO2-equivalent 2024 up 5.5% 54th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 4.23 Tonnes of CO2-equivalent 2024 unchanged 28th