Weather in O'Fallon for 17 September
September 17, Thursday
19° / 26°
clear sky
1 AM
21°
4 AM
20°
7 AM
19°
10 AM
24°
1 PM
26°
4 PM
22°
7 PM
22°
10 PM
19°
Pressure
754mmHg
Air Quality
—
Humidity
75%
Wind W
5m/s
Skies are mostly clear. No significant precipitation is expected. Air temperature is around 21.7°, with a range from 18.9° to 26.1°. UV index is high (7), sun protection is recommended.