Longview WA Daily Weather Long view , Washington, the weather is moderate and pleasing all year round. Whether you are visiting the dynamic downtown area or adventuring the surrounding picturesque landscapes, you can expect comfortable weather throughout your stay. From balmy summers to brisk autumns, and from temperate winters to invigorating springs, Longview, Washington offers a abundance of open-air activities for adventure seekers. So pack your sunscreen and parasol, as Longview, Washington's weather is ready to amaze you with its variable and captivating conditions.