Portland records hottest ever day as heatwave scorches Pacific north-west

Government officials, wildlife managers and utility workers across the Pacific north-west were trying to keep people and animals safe as a historic heat wave scorched the region on Saturday.

Portland, Oregon, had its hottest day ever recorded – reaching 108F (42.2C) on Saturday afternoon, according to the National Weather Service. The previous record for Oregon’s largest city was 107F (41.7C), a mark hit in 1965 and 1981.

Seattle reached 101F (38.3C) by mid-afternoon Saturday, making it the hottest June day on record and only the fourth time in recorded history the usually temperate city had topped 100 degrees, according to the National Weather Service.

Other cities and towns from eastern Washington state to Portland to southern Oregon were also expected to break records, with temperatures in many areas expected to reach 30F above normal.

It is a dangerous forecast for a region accustomed to mild weather, and where many people don’t have air conditioning.

Frances Wilson, Claire Kilga and Raven Seydlitz participate in the Capitol Hill Pride march in soaring heat in Seattle on Saturday.
Three women participate in the Capitol Hill Pride march in soaring heat in Seattle on Saturday. Photograph: Karen Ducey/Reuters

The hot weather had berry farmers scrambling to pick crops before they rot on the vine and fisheries managers working to keep endangered sockeye salmon safe from too-warm river water.

Stores sold out of portable air conditioners and fans, some hospitals canceled outdoor vaccination clinics, cities opened cooling centers, baseball teams canceled or moved up weekend games, and utilities braced for possible power outages.

Officials in Multnomah county, Oregon, which encompasses Portland, warned that highs well above 100F could cause public transportation delays, strain emergency medical services and cause power outages.

On a short video posted online, the county’s health officer, Dr Jennifer Vines, urged residents to go to a cooling center if they do not have air conditioning, warning that the area is in for “life-threatening” heat. Officials were asking for volunteers to help staff the centers.

Boys play in a splash park at the Georgetown Playfield in Seattle on 26 June.
Boys cool off at a splash park at the Georgetown Playfield in Seattle on 26 June. Photograph: Karen Ducey/Reuters

In Portland, forecasters said the thermometer could soar to 108F (42 C) by Sunday, breaking an all-time record of 107 F (42 C) set in 1981. Unusually hot weather was expected to extend into next week for much of the region.

Seattle had only hit 100F three times in recorded history before Saturday, the National Weather Service said, and there was a chance it could eclipse the record of 103 F (39 C) on Monday.

“If you’re keeping a written list of the records that will fall, you might need a few pages by early next week,” NWS Seattle tweeted.

James Bryant, a Seattle resident, picked up an air conditioner in anticipation of the extreme heat.

“My house is already hot, and so with the added heat over the next few days, I’ve got kids I got to make sure they don’t get too hot as well,” Bryant said. “It seems to be a trend … So I’m not sure what’s driving it, but it’s not fun that’s for sure.”

Washington governor Jay Inslee lifted Covid-19 restrictions on publicly owned or operated and non-profit cooling centers in light of the heat. Capacity is currently limited to 50% until the state fully reopens next Wednesday.

In Oregon, governor Kate Brown suspended capacity limits for movie theaters and shopping malls – places with air-conditioning – as well as swimming pools ahead of a statewide reopening Wednesday.

The sweltering temperatures expected on the final weekend of the US Olympic Track and Field trials in Eugene, Oregon, also prompted USA Track and Field to reschedule several weekend events to times earlier in the day to avoid the peak heat.

The extended “heat dome” over the Pacific north-west was a taste of the future as climate change reshapes weather patterns worldwide, said Kristie Ebi, a professor at the University of Washington who studies global warming and its effects on public health.

Pacific Power, which serves 10 states, said in a statement that it did not anticipate heat-related service interruptions but asked customers to use less energy during the heat wave.

The NWS also warned that the dry and breezy conditions could also lead to elevated fire weather concerns through early next week.

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