If you planning to travel to Old St. Hilary’s Open Space Preserve, Tiburon, 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 2:48 PM. The temperature feels like 54.85 with a humidity level of 81 so dress accordingly. Cloud coverage is 63 percent with visibility at 8.3 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 13 MPH. At the end of the day don’t miss the sunset at 12:59 AM.