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 1:12 PM. The temperature feels like 57.5 with a humidity level of 57 so dress accordingly. Cloud coverage is 2 percent with visibility at 14.9 percent. Today’s UV index is 4, don’t forget the sunscreen if you need it! Today’s winds are traveling west-northwest at a speed of 8 MPH. At the end of the day don’t miss the sunset at 3:01 AM.