Portland
United States
Portland is projected to face several critical climate hazards in the near future. The city will experience more frequent and dangerous heat extremes, resulting in heightened health risks for vulnerable populations. Additionally, with the increase in heatwaves, the discomfort and strain on energy systems will also rise. Coupled with these heat challenges, Portland is expected to endure more heavy rainfall events, leading to flash flooding and significant stormwater management issues. As heavy precipitation becomes more regular, urban infrastructure will likely face increasing stress, which can adversely affect public safety and local ecosystems. This combination of climate risks illustrates the urgent need for communities to acknowledge and prepare for the vulnerabilities posed by such climate changes, ensuring adaptations are in place to safeguard health and infrastructure in the future.
Hazard Outlook
How will Portland's projected climate hazards compare to other cities under a 3.0°C future warming scenario?
Maximum Rainfall
Portland's projected maximum rainfall of 14 mm is among the highest of all cities globally.
Maximum Temperature
Portland's projected maximum temperature of 9.7°C is higher than most cities globally under a 3.0°C warming scenario.
Heavy Rainfall Days
With 11 days of heavy rainfall expected, Portland ranks higher than most cities for extreme precipitation events.
Elevation
At 31 m elevation, Portland faces elevated risk from coastal flooding and sea level rise.
Longest Heatwave
Portland may experience heatwaves lasting up to 4 days, near the median of other cities.
Exposure Summary
Adaptation Priorities
Portland faces high exposure to max rain and elevated exposure to max temp, heavy rain, elevation. These areas may warrant priority attention in adaptation planning.
Data source: Climate projections from the IPCC AR6 scenario analysis. See our methodology for details on how we process and interpret this data.
Deployed Solutions
Deployed climate adaptation technologies identified in Portland.
No solutions have been documented for Portland.
This is an archived snapshot of the database.
Recommended Solutions
Proven solutions from similar cities that could help diversify Portland's resilience portfolio
Untitled Solution
85%The City of Vancouver launched the Hazard & Risk Explorer in 2024, an interactive online platform designed to improve public access to information on climate hazards through a multi-hazard and risk story map.
Healthcare Resilience Through Electronic Records & Facility Preparedness
84%New York has implemented a comprehensive healthcare resilience strategy centered on electronic health records systems, telecommunication infrastructure redundancy, and facility preparedness protocols to protect medical services during climate-related disasters.
Cost of Doing Nothing Assessment Toolbox for Municipal Climate Decisions
85%Vancouver's Climate Change Adaptation Strategy includes an action to generate localized cost-implication estimates from inaction on climate adaptation, using ICLEI's Cost of Doing Nothing toolbox for municipal governments.
Liquid Fuel Asset Database for Metropolitan Energy Infrastructure
84%The New York City Economic Development Corporation (NYCEDC) developed a database of liquid fuel assets in the New York metropolitan region.