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 1:05 PM. The temperature feels like 70.7 with a humidity level of 75 so dress accordingly. Cloud coverage is 19 percent with visibility at 11.9 percent. Today’s UV index is 4, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 9 MPH. At the end of the day don’t miss the sunset at 11:35 PM.