When summer’s pristine weather arrives, there’s a natural inclination to celebrate. What better way to do this than by participating in one of the many outstanding festivals across the country? If you’re heading to the Redmond area, know that entertaining festivals are happening all around town, all summer long. Here are some of the most popular ones to choose from, so plan on attending one — or all of them! Washington Brewer’s Festival — June 15-17 If you’re a fan of craft brews, head to Marymoor Park and tilt a glass or three at the 13th Annual Washington Brewer’s Festival.…