The Ke Kukui Foundation is having its 3 Aloha Days, one of which at Esther Short Park in Vancouver, WA on Saturday July 30th. Times vary, so check their website. Performers galore, like Robert & Roland Cazimero, and Manu Boyd of Ho'okena among others.
Also, the Uwajimaya Beaverton store is having its annual Hawaiian Days in August with live Polynesian entertainment on the weekend of the 20th/21st. Uwajimaya is located on Beav/Hillsdale Hwy in Beaverton.