Longview USA 14 day weather forecast timeanddatecomLong view , Washington, the weather is fair and pleasing all year round. Whether you are visiting the vibrant downtown area or discovering the surrounding breathtaking landscapes, you can expect comfortable weather throughout your stay. From balmy summers to cool autumns, and from gentle winters to invigorating springs, Longview, Washington offers a plethora of outdoor activities for nature enthusiasts. So bring your sun lotion and parasol, as Longview, Washington's weather is ready to delight you with its variable and charming conditions.