Afton, United States offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Afton is known for the historic Route 66 and the nearby Grand Lake O' the Cherokees. The best time to travel to Afton, United States, is during the summer months of June to August, when the average air temperature is around 70-80°F and water temperature in nearby lakes is approximately 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!