Longview WA Current Weather Long view , Washington State, the weather is gentle and agreeable all year round. Whether you are visiting the vibrant downtown area or adventuring the surrounding picturesque landscapes, you can expect comfortable conditions throughout your stay. From balmy summers to crisp autumns, and from gentle winters to invigorating springs, Longview, Washington offers a plethora of alfresco activities for outdoor lovers. So bring your sunscreen and umbrella, because Longview, Washington's weather is ready to surprise you with its variable and charming conditions.