Wasco, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Wasco is known for its proximity to the Columbia River Gorge and outdoor recreational activities. The best time to travel to Wasco, United States, is in late spring when the average air temperature is around 75°F (24°C) and water temperatures are not applicable as it is an inland city. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!