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 10:48 AM. The temperature feels like 78.3 with a humidity level of 69 so dress accordingly. Cloud coverage is 14 percent with visibility at 13.4 percent. Today’s UV index is 10, don’t forget the sunscreen if you need it! Today’s winds are traveling south at a speed of 3 MPH. At the end of the day don’t miss the sunset at 1:13 AM.