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.
It is recommended to check the weather before you visit the Grand Canyon. This way you can avoid extremes in weather. The coldest temperature on record is -28.9 degrees Celsius (-20.0 degrees Fahrenheit). The warmest temperature on record is 40.6 degrees Celsius (105 degrees Fahrenheit).