Eugene was 93 when Portland was 116. Normally heat waves and cold snaps dont last as long in Eugene, because it's harder to maintain a continental air mass in Eugene vs. Portland due to the lack of a Gap in the Cascades nearby, and the fact that downsloping winds are less common.
Disclaimer: Not saying you'll be cooler on Sunday, just explaining the dynamics.
I convinced my wife she will need ac. We will put it in the wall on my lunch.
Today is quite pleasant though.
July 1st used to start California's water year which made more sense. I usually like to archive my winter signature around the time. It means winter season is coming up.
It develops the ridge further offshore compared to the EURO. So not as hot over the weekend but no strong marine push either as the ridge stays overhead early next week.