If you planning to travel to McKinney Falls State Park, Austin, 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 11:28 AM. The temperature feels like 83.15 with a humidity level of 73 so dress accordingly. Cloud coverage is 28 percent with visibility at 16.2 percent. Today’s UV index is 10, don’t forget the sunscreen if you need it! Today’s winds are traveling south-southwest at a speed of 5 MPH. At the end of the day don’t miss the sunset at 1:30 AM.