Oregon Climate Report: How Climate Change Is Affecting Portland and More

Drought, Dehydrated, Clay Floor, Earth, Cracked, Cracks

Oregon is known for its lush forests, plentiful rainfall, and moderate temperatures. But climate change is already starting to affect the Beaver State, with more extreme weather conditions and changes in precipitation patterns. 

As the Earth’s climate continues to warm, Portland and other areas of Oregon will continue to feel the effects and will worsen in the years to come if it isn’t addressed immediately. Oregon will experience even more dramatic changes that could seriously impact the environment, its residents, and the economy. 

Let’s take a look at how climate change is affecting Oregon and how you can help protect your community from its effects.

Effects of climate change in Oregon

One of the most visible effects of climate change in Oregon is an increased number of wildfires

Large fires have increased by 500 percent since the 1970s, and 2017 was the worst year for forest fires in Oregon. These fires destroy homes and business establishments, release harmful pollutants into the air, and contribute to climate change.

Another major effect of climate change in Oregon is the decline of winter snowpack. A lack of winter snowpack can lead to water shortages and reduced river flow during the summer months, impacting agriculture, hydroelectricity production, and fish populations.

Oregon also sees a rise in sea levels due to climate change, causing increased coastal erosion and threatening infrastructure, homes, and natural habitats. In addition, warmer temperatures lead to declines in the Cascade Range glaciers and the extinction of cold-water fish species.

Climate change is taking a toll in Oregon. The state is expected to experience more extreme weather conditions in the future. It includes more frequent and intense storms, floods, and droughts. Climate change will also cause sea levels to rise and snowpack to decline, which will impact coastal communities and the state’s water supply. 

Oregonians need to be prepared for these changes and take action to reduce our greenhouse gas emissions.

Oregon’s high-impact climate zones

Despite the variation in climate, certain parts of Oregon are more susceptible to the effects of climate change compared to other locations. These high-impact climate zones are areas where the impacts of climate change will be felt more intensely and sooner than in other parts of the state.


As the largest city in Oregon, Portland will experience more extreme weather conditions and changes in precipitation patterns. The city is also vulnerable to sea-level rise and flooding.


Eugene is located in the Willamette Valley, which is expected to see more droughts as a result of climate change. The city is also at risk for increased wildfires and air pollution.


Salem is the state capital of Oregon and is located in the Willamette Valley. The city will experience more extreme weather conditions, including more frequent and intense storms, floods, and droughts. In addition, Salem is also susceptible to the rise of sea levels.


Bend is a city in Central Oregon that relies heavily on snowpack for its water supply. As the climate warms and snowpack declines, Bend will experience water shortages. 

Oregon’s most highly affected cities are those located in the Willamette Valley and the Pacific Coast. These areas are already experiencing precipitation patterns, increased wildfires, and declines in winter snowpack.

Oregon's Climate Protection Program must live up to its name

Intense wildfires and landscape changes in Oregon

Wildfires are another significant impact of climate change in Oregon. Warmer temperatures and drier conditions have increased the size, frequency, and severity. Since the 1980s, the area burned by wildfires each year has doubled. These larger fires release large amounts of air pollution into the atmosphere, adversely affecting human health.

Climate change is also causing changes to Oregon’s landscapes

Warmer temperatures are causing snow to melt earlier in the year, leading to lower water levels in rivers and streams. It can impact fish and other aquatic species that rely on these waterways for their habitat. In addition, warmer temperatures are also causing trees and other plants to grow differently. Some species of trees are dying off entirely as a result of fast-paced environmental changes.

The effects of climate change are being felt in Oregon’s cities as well. Portland, for example, is seeing an increase in the number of days with temperatures over 90 degrees. It can lead to health problems for people at risk of heatstroke or other heat-related illnesses. 

The decline in winter snowpack

One of the most noticeable changes is the decline in winter snowpack.

In the past, Oregon’s mountains would be blanketed in snow each winter, providing a vital water source for rivers and streams during the spring and summer months. But now, due to warmer temperatures, that snow is melting earlier and earlier each year.

According to the U.S. Environmental Protection Agency (EPA), the average statewide snowpack in Oregon has declined by about 20 percent since 1950. And in some parts of the state, such as the Cascades, that figure is closer to 50 percent.

Rising sea level in Oregon

Climate change is a pressing global issue, and it is affecting cities all over the world, including Oregon. 

One of the most obvious effects of climate change in Oregon is the rising sea level. Sixteen years from now, the sea level is predicted to rise at a rate of about 6 inches. Unfortunately, It could cause significant problems for coastal cities like Portland and other cities located near rivers that could overflow from the increased flooding.

The risks associated with rising sea levels are many and varied. 

First, rising sea levels can cause extensive damage to infrastructure due to flooding. Second, salt water can seep into underground water supplies, making them undrinkable. This can also increase water-borne diseases, as contaminated water is one of the main vectors for these illnesses. Finally, the increased flooding can displace people from their homes and damaged crops, and disrupt transportation routes.

Extreme weather conditions 

Portland, Oregon’s largest city, is seeing the effects of climate change more acutely than some other areas in the state. Since the beginning of the 20th century, the average temperature in Portland has increased by 2.5 degrees Fahrenheit. The increase in heat has also led to increased energy use and a rise in the number of wildfires.

In addition to the increased heat, Portland also sees more extreme rain events. In the last 30 years, the amount of rain falling in the heaviest 1% of storms has increased by 22%. This increase in heavy rains can lead to flooding, damaging homes and businesses, and putting people at risk.

While Portland is certainly feeling the effects of climate change, it is essential to remember that Oregon, in general, is impacted. The state’s ski industry, for example, is threatened by warmer winters and less snowfall. And, statewide, agriculture is struggling with increased heat and drought.

Climate change mitigation efforts in Oregon

Climate change is one of the global issues of our time, and Oregon is on the front lines. 

The state is already feeling the effects of a changing climate, from more frequent wildfires to rising sea levels. But Oregonians are also taking action to mitigate the impacts of climate change and build a more sustainable future.

The state has set ambitious goals for reducing its greenhouse gas emissions, and it has several programs and initiatives in place to achieve those reductions. For example, Oregon’s Renewable Portfolio Standard requires utilities to source at least 50 percent of their electricity from renewable sources by 2040. The state is also working to increase the efficiency of its buildings and transportation systems and promote clean energy technologies.

Looking ahead, Oregon will need to continue its commitment to climate action if it is going to meet its 2050 emissions reduction target of 80 percent below 1990 levels. But with its strong track record of environmental leadership, there is reason to believe that the state is up to the challenge.

Supporting sustainability in businesses

Climate change is a global problem that requires local solutions, and businesses can grasp the opportunity to help mitigate climate change by supporting sustainability initiatives.

Sustainability supports the triple bottom line of people, planet, and profits. It also helps businesses adapt to changing conditions and build resilience in the face of extreme weather events. That is why it is beneficial for business — and good for the planet.

There are many ways businesses can support sustainability. One way is by investing in renewable energy sources such as solar and wind power. This not only reduces emissions but also creates jobs and stimulates economic activity.

Another way of making a difference in climate change is by practicing sustainable banking. Sustainable banking means choosing banks and credit unions that support environmentally friendly practices.

When you bank with a sustainable institution, you help ensure that your money is used to fund promising environmental projects. It includes things like renewable energy, green infrastructure, and sustainability programs. 

By doing your part to support sustainable banking, you can help mitigate climate change in Oregon and around the world.

Aspiration will get you closer to a green tomorrow

Aspiration is a sustainable neobank that offers reliable services to help you make a difference in the fight against climate change while managing your finances.

Banking with us helps further mitigate climate change. That is because Aspiration is one of the successful green banking institutions committed to funding environmentally friendly projects. 

Apply now and start making a difference!

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