If you planning to travel to Mount Tamalpais State Park, Mill Valley, 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 2:57 PM. The temperature feels like 55.400000000000006 with a humidity level of 93 so dress accordingly. Cloud coverage is 92 percent with visibility at 0 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 21 MPH. At the end of the day don’t miss the sunset at 12:54 AM.