Weather 10 days Longview WALong view , Washington State, the weather is gentle and delightful all year round. Whether you are touring the dynamic downtown area or discovering the surrounding picturesque landscapes, you can expect comfortable climate throughout your stay. From balmy summers to crisp autumns, and from moderate winters to refreshing springs, Longview, Washington offers a abundance of open-air activities for nature enthusiasts. So carry your sunscreen and umbrella, as Longview, Washington's weather is ready to impress you with its variable and endearing conditions.