Weather in O'Fallon for 23 September
September 23, Wednesday
12° / 25°
partly cloudy
12 AM
15°
1 AM
14°
2 AM
14°
3 AM
14°
4 AM
13°
5 AM
12°
6 AM
12°
7 AM
12°
8 AM
14°
9 AM
17°
10 AM
19°
11 AM
21°
12 PM
22°
1 PM
24°
4 PM
25°
7 PM
20°
10 PM
16°
Pressure
754mmHg
Air Quality
35 AQI
Humidity
73%
Wind S
5m/s
Expect a mix of sun and clouds. No significant precipitation is expected. Air temperature is around 16.8°, with a range from 12.0° to 25.0°. UV index is high (7), sun protection is recommended.