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 3:08 PM. The temperature feels like 54.599999999999994 with a humidity level of 61 so dress accordingly. Cloud coverage is 8 percent with visibility at 14.9 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling east-southeast at a speed of 3 MPH. At the end of the day don’t miss the sunset at 12:50 AM.