Climate Change in Seattle 12 indicators covering climate change for Seattle. IndicatorLatest Year10-yr change Rank Air temperature, hot days, tropical nights and icing days - Cities 11.87 Degrees celsius 2025 up 34.9% 668th Air temperature, hot days, tropical nights and icing days - Cities 4.9 Degrees celsius 2025 up 167.2% 101st Climate projections by scenario, 2030–2060 – Cities and FUAs 10.94 Degrees celsius 2060 up 2.3% 1084th Climate projections by scenario, 2030–2060 – Cities and FUAs 1.74 Degrees celsius 2060 up 16.2% 640th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 0.09 Tonnes of CO2-equivalent 2024 down 10.0% 195th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 6.6 Tonnes of CO2-equivalent 2024 up 3.8% 18th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 5.98 Tonnes of CO2-equivalent 2024 up 4.9% 34th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 5.82 Tonnes of CO2-equivalent 2024 up 4.5% 35th Greenhouse gas emissions - Cities and FUAs — GHG emissions from power 1.26 Tonnes of CO2-equivalent 2024 down 3.1% 136th Greenhouse gas emissions - Cities and FUAs — GHG emissions from road 6.18 Tonnes of CO2-equivalent 2024 down 1.1% 14th Greenhouse gas emissions - Cities and FUAs — GHG emissions total 22.07 Tonnes of CO2-equivalent 2024 up 1.9% 29th Greenhouse gas emissions - Cities and FUAs — GHG emissions from 6.56 Tonnes of CO2-equivalent 2024 up 0.6% 13th