Weather in O'Fallon
Weekend →MO, United States · 165m
21°
Mainly clear
Feels like
24°
Humidity
88%
Wind
6 km/h
Gusts
11 km/h
Pressure
1014 hPa
UV
0
Air Quality
View full forecast →
20
Good
PM2.5: 7.2
PM10: 7.2
O₃: 42
Hourly forecast
06:00
21°
4%
07:00
21°
2%
08:00
23°
1%
09:00
26°
1%
10:00
28°
1%
11:00
29°
2%
12:00
30°
1%
13:00
31°
1%
14:00
32°
1%
15:00
33°
1%
16:00
33°
2%
17:00
33°
6%
18:00
31°
4%
19:00
29°
2%
20:00
27°
2%
21:00
25°
3%
22:00
24°
2%
23:00
23°
00:00
22°
01:00
22°
02:00
21°
03:00
21°
04:00
20°
05:00
19°
06:00
19°
07:00
19°
08:00
21°
09:00
23°
10:00
25°
11:00
26°
12:00
27°
13:00
28°
14:00
28°
15:00
29°
16:00
29°
17:00
29°
18:00
29°
19:00
28°
20:00
25°
21:00
23°
22:00
21°
23:00
20°
00:00
20°
01:00
19°
02:00
19°
03:00
18°
04:00
18°
05:00
17°
16-day forecast
Today
26 Aug
21°
8%
15 km/h
Tomorrow
27 Aug
19°
18 km/h
Friday
28 Aug
17°
21 km/h
Saturday
29 Aug
17°
1%
16 km/h
Sunday
30 Aug
20°
2%
27 km/h
Monday
31 Aug
25°
3%
26 km/h
Tuesday
1 Sep
23°
9%
21 km/h
Wednesday
2 Sep
22°
12%
19 km/h
Thursday
3 Sep
28°
12%
32 km/h
Friday
4 Sep
26°
15%
32 km/h
Saturday
5 Sep
21°
20%
23 km/h
Sunday
6 Sep
21°
43%
24 km/h
Monday
7 Sep
23°
29%
20 km/h
Tuesday
8 Sep
24°
27%
12 km/h
Wednesday
9 Sep
23°
30%
22 km/h