Rainier OR 10Day Weather Forecast The Weather Channel Longview , Washington State, the weather is fair and pleasing all year round. Whether you are touring the dynamic downtown area or discovering the surrounding scenic landscapes, you can expect relaxing weather throughout your stay. From hot summers to brisk autumns, and from mild winters to invigorating springs, Longview, Washington offers a plethora of open-air activities for adventure seekers. So carry your sunscreen and parasol, as Longview, Washington's weather is ready to delight you with its unpredictable and endearing conditions.
