14 Day Weather Longview meteoblueLongview , Washington State, the weather is temperate and pleasing all year round. Whether you are exploring the dynamic downtown area or exploring the surrounding picturesque landscapes, you can expect comfortable conditions throughout your stay. From hot summers to crisp autumns, and from temperate winters to invigorating springs, Longview, Washington offers a abundance of outdoor activities for adventure seekers. So pack your sunblock and parasol, as Longview, Washington's weather is ready to surprise you with its variable and captivating conditions.