Weather in O'Fallon
Weekend →MO, United States · 165m
27°
Clear sky
Feels like
26°
Humidity
42%
Wind
8 km/h
Gusts
12 km/h
Pressure
1012 hPa
UV
0.7
Air Quality
View full forecast →
62
Poor
PM2.5: 6
PM10: 6.4
O₃: 124
Hourly forecast
18:00
27°
19:00
24°
20:00
22°
21:00
22°
22:00
21°
23:00
21°
00:00
21°
01:00
21°
02:00
20°
03:00
20°
04:00
20°
05:00
19°
06:00
19°
07:00
19°
08:00
20°
1%
09:00
23°
1%
10:00
26°
1%
11:00
28°
1%
12:00
30°
2%
13:00
31°
2%
14:00
32°
1%
15:00
33°
1%
16:00
33°
1%
17:00
32°
1%
18:00
30°
1%
19:00
27°
1%
20:00
27°
1%
21:00
26°
2%
22:00
26°
2%
23:00
25°
2%
00:00
24°
2%
01:00
24°
2%
02:00
24°
2%
03:00
23°
3%
04:00
23°
3%
05:00
23°
06:00
23°
07:00
23°
08:00
23°
09:00
26°
10:00
27°
11:00
29°
12:00
31°
13:00
33°
14:00
34°
2%
15:00
35°
2%
16:00
36°
2%
17:00
35°
2%
16-day forecast
Today
11 Oct
10°
15 km/h
Tomorrow
12 Oct
19°
2%
22 km/h
Tuesday
13 Oct
23°
24%
20 km/h
Wednesday
14 Oct
20°
85%
18 km/h
Thursday
15 Oct
19°
75%
24 km/h
Friday
16 Oct
7°
39%
40 km/h
Saturday
17 Oct
1°
25 km/h
Sunday
18 Oct
2°
1%
20 km/h
Monday
19 Oct
6°
8%
18 km/h
Tuesday
20 Oct
11°
8%
17 km/h
Wednesday
21 Oct
17°
22%
22 km/h
Thursday
22 Oct
18°
28%
22 km/h
Friday
23 Oct
19°
26%
23 km/h
Saturday
24 Oct
8°
17%
21 km/h
Sunday
25 Oct
6°
23%
17 km/h
Monday
26 Oct
6°
16%
27 km/h