If you planning to travel to Lefty O'Doul Bridge, San Francisco, 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 3:25 PM. The temperature feels like 54.849999999999994 with a humidity level of 71 so dress accordingly. Cloud coverage is 6 percent with visibility at 12.7 percent. Today’s UV index is 3, don’t forget the sunscreen if you need it! Today’s winds are traveling southeast at a speed of 4 MPH. At the end of the day don’t miss the sunset at 1:10 AM.