Okay so this article is no necessarily family friendly, but sometimes we have to share what we find. There are some great links related to the Seattle area and fun things to so. It is my home now and could be a great place to visit for those that are not here. For most of you it will be an easy drive. For others, not so much. But certainly is worth reading. I love summers in Seattle! My adopted home.
http://www.thrillist.com/entertainment/seattle/17-reasons-seattle-summers-dominate-all-other-summers
I grew up in Oregon...so there is also a great list of things to do in Portland too: http://www.thrillist.com/portland Enjoy your summers!!
