If you planning to travel to Old Cathedral of St. Louis of France, 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 12:26 PM. The temperature feels like 53.65 with a humidity level of 58 so dress accordingly. Cloud coverage is 8 percent with visibility at 14.6 percent. Today’s UV index is 0, don’t forget the sunscreen if you need it! Today’s winds are traveling east at a speed of 4 MPH. At the end of the day don’t miss the sunset at 10:58 PM.