New temperature record: SeaTac Airport hits 108 degrees KOMO News Staff Replay Video UP NEXT The National Weather Service reported that the high temperature at Seattle-Tacoma International Airport topped out at 108 degrees, setting a new record for the area which has seen three consecutive days of triple-digit temperatures. KOMO News meteorologist Shannon O'Donnell said higher temperatures were reported in other parts of Western Washington, including Maple Valley, which reported a temperature of 118 degrees while the mercury rose to 116 in Renton. The high temperature Monday is expected to be the hottest day ever recorded in Western Washington. Caption: Crews were called to extinguish a brush fire that started from a car fire along I-5 in the Everett area.