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 12:57 PM. The temperature feels like 65.15 with a humidity level of 39 so dress accordingly. Cloud coverage is 3 percent with visibility at 14.9 percent. Today’s UV index is 5, 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 11:38 PM.