If you planning to travel to San Luis Obispo County Library, San Luis Obispo, California, here is your 6-day travel weather forecast to make sure you have all the essentials needed during your stay. Start your day when the sunrises at 2:43 PM. The temperature feels like 54.400000000000006 with a humidity level of 80 so dress accordingly. Cloud coverage is 31 percent with visibility at 9.8 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling southeast at a speed of 3 MPH. At the end of the day don’t miss the sunset at 12:52 AM.