If you planning to travel to Houston Grand Prix, Houston, 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 11:46 AM. The temperature feels like 77.65 with a humidity level of 86 so dress accordingly. Cloud coverage is 76 percent with visibility at 8 percent. Today’s UV index is 8, don’t forget the sunscreen if you need it! Today’s winds are traveling southeast at a speed of 9 MPH. At the end of the day don’t miss the sunset at 12:54 AM.