If you planning to travel to Wainwright Building, St Louis, Missouri, 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 10:35 AM. The temperature feels like 74 with a humidity level of 45 so dress accordingly. Cloud coverage is 7 percent with visibility at 14.9 percent. Today’s UV index is 11, don’t forget the sunscreen if you need it! Today’s winds are traveling west at a speed of 5 MPH. At the end of the day don’t miss the sunset at 1:22 AM.