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 2:09 PM. The temperature feels like 59.9 with a humidity level of 88 so dress accordingly. Cloud coverage is 29 percent with visibility at 8.9 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 6 MPH. At the end of the day don’t miss the sunset at 1:46 AM.