If you planning to travel to Marin Headlands Visitor Center, 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 2:09 PM. The temperature feels like 58.75 with a humidity level of 92 so dress accordingly. Cloud coverage is 53 percent with visibility at 5.7 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 11 MPH. At the end of the day don’t miss the sunset at 1:46 AM.