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Cooling off overnight

Less humid tomorrow and weekend

PORTLAND, Ore — Cooler marine air is pushing into the central and southern Willamette Valley now. It will cover the entire valley by sunrise. 

For example, at 1130 pm Thursday, Portland was still 77° but  NW winds had already cooled Corvallis down to 64°! 

The high clouds will stay with us overnight, but by morning, low clouds and cooler marine air are back in the western valleys. Humidity will be lower and high temperatures will stay below 90-degrees, even as the sun breaks out in the afternoon Friday and Saturday.

Sunday will be a little warmer and mostly sunny, with highs in the 80s.

Monday will be cooler again, with morning clouds and then sun and highs in the 80s.  

It looks like it’ll get hot around the middle of next week.

Have a great Friday.

Take good care of each other.

Matt Zaffino
KGW Chief Meteorologist

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