If you planning to travel to Fort Mason, 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 1:56 PM. The temperature feels like 60.5 with a humidity level of 80 so dress accordingly. Cloud coverage is 22 percent with visibility at 11.8 percent. Today’s UV index is 4, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 9 MPH. At the end of the day don’t miss the sunset at 2:08 AM.