the only place I would go at this time of year is Olympic Hot Springs It's east of Port Angeles and you have to hike in.
Trails.com says "A day hike or overnighter to popular soaking pools in Olympic National Park. Skinnydippable with (much) discretion. Without a doubt the hot spot of the Olympics, this cluster of steaming springs and pools lies sandwiched between a lush forest of fir and hemlock and the whitewater rapids of Boulder Creek. There are a total of seven bubbly soakers in a varie..."
