10 day weather forecast Pacific Northwest

Map below is 500 mb level (at about 19,000 feet) and is average position for June 22 through June 28. Of note is the trough of low pressure off the coast of Washington and this has been a typical pattern that we have seen for much of the last several months. The bottom line weather will be temperatures will tend to be below normal, however we can have some brief periods of temperatures close to normal.