FTA:

“Washington County will have two shelters open Saturday at 5 p.m. in Beaverton Community Center and Blanton Street Building.”

and:

"In Clackamas County, one overnight shelter will open Saturday at 6 p.m. at the Father’s Heart Street Ministry in Oregon City.

Additionally, there are 21 daytime warming centers open, with locations including various public libraries, community centers and the Canby Denny’s.

Meanwhile, severe weather shelters in Multnomah County are not currently open."

The other article linked below this one states that the temps aren’t low enough to trigger Multnomah counties shelters.