Climate Change in Portland 20 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% 380th Air temperature, hot days, tropical nights and icing days - Cities 5.8 Degrees celsius 2025 up 242.7% 73rd Climate projections by scenario, 2030–2060 – Cities and FUAs 1.6 Degrees celsius 2060 up 6.8% 844th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 4.23 Tonnes of CO2-equivalent 2024 unchanged 27th Greenhouse gas emissions - Cities and FUAs — GHG emissions total 12.2 Tonnes of CO2-equivalent 2024 up 5.5% 52nd Greenhouse gas emissions - Cities and FUAs — GHG emissions from road 4.05 Tonnes of CO2-equivalent 2024 down 1.0% 26th Greenhouse gas emissions - Cities and FUAs — GHG emissions from power 0.41 Tonnes of CO2-equivalent 2024 up 64.0% 297th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 3.58 Tonnes of CO2-equivalent 2024 up 9.8% 63rd Greenhouse gas emissions - Cities and FUAs — GHG emissions from 3.66 Tonnes of CO2-equivalent 2024 up 10.2% 65th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 3.42 Tonnes of CO2-equivalent 2024 up 5.2% 32nd Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.05 Tonnes of CO2-equivalent 2024 down 16.7% 340th Climate projections by scenario, 2030–2060 – Cities and FUAs 12.43 Degrees celsius 2060 up 0.8% 765th Greenhouse gas emissions - Cities and FUAs — GHG emissions total 0.8264 % change on previous year 2024 up 854.5% 398th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 1.18 % change on previous year 2024 up 229.4% 307th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0 % change on previous year 2024 — 243rd Greenhouse gas emissions - Cities and FUAs — GHG emissions from road -0.2463 % change on previous year 2024 down 200.5% 1148th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 1.39 % change on previous year 2024 up 13.6% 283rd Greenhouse gas emissions - Cities and FUAs — GHG emissions from 1.42 % change on previous year 2024 down 9.1% 282nd Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0 % change on previous year 2024 — 7th Greenhouse gas emissions - Cities and FUAs — GHG emissions from power 5.13 % change on previous year 2024 — 55th