Weather Forecast for Union Square, San Francisco, California

If you planning to travel to Union Square, 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 12:59 PM. The temperature feels like 56.85 with a humidity level of 81 so dress accordingly. Cloud coverage is 45 percent with visibility at 5.2 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling west-southwest at a speed of 10 MPH. At the end of the day don’t miss the sunset at 3:13 AM.