If you planning to travel to San Antonio Zoo and Aquarium, San Antonio, Texas, 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 12:29 PM. The temperature feels like 84.1 with a humidity level of 55 so dress accordingly. Cloud coverage is 27 percent with visibility at 14.9 percent. Today’s UV index is 2, don’t forget the sunscreen if you need it! Today’s winds are traveling northeast at a speed of 7 MPH. At the end of the day don’t miss the sunset at 12:14 AM.