Boardman, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Boardman is known for the SAGE Center, a visitor center that showcases sustainable agriculture and energy. The best time to travel to Boardman, United States, is in late spring or early fall when the average air temperature is around 70°F (21°C) and the Columbia River water temperature is approximately 60°F (16°C). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!