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 12:46 PM. The temperature feels like 60 with a humidity level of 84 so dress accordingly. Cloud coverage is 42 percent with visibility at 9.6 percent. Today’s UV index is 10, don’t forget the sunscreen if you need it! Today’s winds are traveling northwest at a speed of 5 MPH. At the end of the day don’t miss the sunset at 3:13 AM.