Powers Lake, United States offers 1 beach perfect for sunbathing, surfing, swimming, and more. Powers Lake, Wisconsin, United States, is known for its scenic lake offering recreational activities like boating and fishing. The best time to travel to Powers Lake, United States, is during the summer months of June to August, when the average air temperature is around 70-80°F and the water temperature is approximately 70°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!