If you planning to travel to Muir Woods National Monument, 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 3:10 PM. The temperature feels like 46.400000000000006 with a humidity level of 91 so dress accordingly. Cloud coverage is 78 percent with visibility at 4 percent. Today’s UV index is 1, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 17 MPH. At the end of the day don’t miss the sunset at 1:37 AM.