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 12:55 PM. The temperature feels like 58.65 with a humidity level of 66 so dress accordingly. Cloud coverage is 7 percent with visibility at 11.4 percent. Today’s UV index is 7, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 6 MPH. At the end of the day don’t miss the sunset at 3:17 AM.