American Fork, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. American Fork is known for its proximity to Timpanogos Cave National Monument and the scenic American Fork Canyon. The best time to travel to American Fork, United States, is from June to August, with average air temperatures around 70-85°F and water temperatures in nearby lakes around 65-75°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!