Baywood Los Osos, United States offers 2 beaches perfect for sunbathing, surfing, swimming, and more. Baywood Los Osos, California, United States, is known for the Morro Bay State Park and the Elfin Forest. The best time to travel to Baywood-Los Osos is from June to September, with average air temperatures ranging from 60-75°F and water temperatures around 55-60°F. Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!