LES 10 MEILLEURES choses à faire à Longview TripadvisorLong view , Washington State, the weather is moderate and agreeable all year round. Whether you are visiting the lively downtown area or exploring the surrounding picturesque landscapes, you can expect content conditions throughout your stay. From warm summers to cool autumns, and from gentle winters to refreshing springs, Longview, Washington offers a variety of outdoor activities for adventure seekers. So pack your sunblock and umbrella, because Longview, Washington's weather is ready to impress you with its variable and endearing conditions.