Weather Forecast for 9-11 Memorial, O'Fallon, Missouri

If you planning to travel to 9-11 Memorial, O'Fallon, 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 10:59 AM. The temperature feels like 72.4 with a humidity level of 70 so dress accordingly. Cloud coverage is 38 percent with visibility at 11.9 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 15 MPH. At the end of the day don’t miss the sunset at 1:02 AM.