Omegaraptor Posted November 25, 2018 Report Share Posted November 25, 2018 Here's a possibly interesting question. Since the August 2017 heat wave I have felt like Portland's 107ºF temperature record is under threat and will most likely be broken in the near future. Portland only hit 105ºF on 8/3/17 but the temperature was lowered by wildfire smoke and would have hit 108 or 109 with clear skies. At one point, 110 was forecasted. Summer '18 was a record breaker in terms of # of hot days, but the highest temperature recorded was only 100ºF. (The question isn't about Portland recording a month with a 90ºF average high or becoming a Köppen Csa.) 107 has been hit three times before, and all three times were long ago when Portland's climate was generally cooler. This recent period of hot summers is the most intense on record. Seattle had never reliably recorded a 100º day prior to 2009, and that year it recorded a 103º. Portland is absolutely capable of hitting 110º. A 2017-like heat wave with clear, non-smoky skies would most likely do it. The only question is, when? Quote Link to comment Share on other sites More sharing options...
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