Longview , Washington, the weather is mild and agreeable all year round. Whether you are touring the vibrant downtown area or discovering the surrounding scenic landscapes, you can expect content climate throughout your stay. From warm summers to cool autumns, and from mild winters to refreshing springs, Longview, Washington offers a variety of outdoor activities for outdoor lovers. So bring your sunblock and parasol, as Longview, Washington's weather is ready to impress you with its changeful and endearing conditions.