Morro Bay Weather Weather Morro Bay is renowned for its moderate weather. In Summer months we are typically at least 30 degrees cooler during the day than our inland neighbors in Paso Robles. Inland residents love to come to Morro Bay to escape Summer heat. Even in the coldest Winters, it rarely freezes in Morro Bay. However, it's always a good idea to dress in layers, especially if you are planning to go out on the ocean.
Ocean waters are typcially cooler than in Southern California.
Folks who enjoy our incredible beaches and very good surfing generally wear wet suits for swimming comfort. It may be slightly warmer in Summer San Luis Obispo weather is moderate, and tends to be a little warmer than Morro Bay. It may be significantly warmer in Summer Paso Robles weather is more extreme than Morro Bay. Morro Beach, Estero Bay Morro Bay Monterey Bay Avila Port San Luis Moss Landing Morro-Bay.