articleThe Brief Friday will be warm across western Washington, with highs returning to the 80s before cooler weather arrives this weekend. Seattle weather becomes drier Monday with highs staying in the comfortable 70s through much of next week. (FOX 13 Seattle)In Eastern Washington, the near triple digits will stick around heading into the first part of the weekend. Temperatures will again hit around 100 degrees in parts of Eastern Washington on Friday. Seattle weather turns dry again Monday as sunshine gradually returns.