14 Day Weather Longview meteoblueLong-view , Washington State, the weather is fair and delightful all year round. Whether you are touring the dynamic downtown area or exploring the surrounding scenic landscapes, you can expect relaxing weather throughout your stay. From hot summers to crisp autumns, and from temperate winters to cooling springs, Longview, Washington offers a variety of open-air activities for nature enthusiasts. So bring your sunblock and umbrella, because Longview, Washington's weather is ready to amaze you with its unpredictable and captivating conditions.