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 1:18 PM. The temperature feels like 56.6 with a humidity level of 75 so dress accordingly. Cloud coverage is 17 percent with visibility at 11.3 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling west-northwest at a speed of 15 MPH. At the end of the day don’t miss the sunset at 2:57 AM.