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 12:54 PM. The temperature feels like 56.95 with a humidity level of 71 so dress accordingly. Cloud coverage is 7 percent with visibility at 12.6 percent. Today’s UV index is 9, don’t forget the sunscreen if you need it! Today’s winds are traveling southwest at a speed of 8 MPH. At the end of the day don’t miss the sunset at 3:19 AM.