Longview, Washington. Longview is a city in Cowlitz County, Washington, United States. It is the principal city of the Longview, Washington Metropolitan Statistical Area, which encompasses all of Cowlitz County. Longview's population was 36,648 at the time of the 2010 census and it is the largest city in Cowlitz County.
Average Weather in August at Grand Canyon National Park Airport Arizona, United States. At Grand Canyon National Park Airport, the month of August is characterized by gradually falling daily high temperatures, with daily highs decreasing by 4Â°F, from 83Â°F to 78Â°F over the course of the month, and rarely exceeding 89Â°F or dropping below 71Â°F.
Rafting season in the canyon runs from April through October. Temperatures during the summer can reach 110 degrees, which is a consideration if you are planning to take a shortened trip that requires hiking in or out of the canyon. You'll be refreshingly splashed with the 54 degree water of the Colorado River as you travel through the rapids.