Weather in O'Fallon
Weekend →MO, United States · 165m
21°
Overcast
Feels like
24°
Humidity
85%
Wind
5 km/h
Gusts
12 km/h
Pressure
1015 hPa
UV
0
Air Quality
View full forecast →
16
Good
PM2.5: 6.6
PM10: 6.8
O₃: 39
Hourly forecast
00:00
21°
01:00
21°
02:00
20°
03:00
20°
04:00
19°
05:00
19°
1%
06:00
18°
1%
07:00
20°
1%
08:00
22°
1%
09:00
25°
1%
10:00
26°
1%
11:00
28°
1%
12:00
29°
1%
13:00
30°
1%
14:00
31°
1%
15:00
31°
1%
16:00
31°
1%
17:00
31°
2%
18:00
30°
2%
19:00
28°
2%
20:00
26°
2%
21:00
24°
2%
22:00
23°
2%
23:00
22°
1%
00:00
21°
1%
01:00
21°
1%
02:00
20°
8%
03:00
20°
8%
04:00
19°
8%
05:00
19°
8%
06:00
18°
8%
07:00
19°
8%
08:00
21°
5%
09:00
23°
5%
10:00
25°
5%
11:00
26°
5%
12:00
26°
5%
13:00
26°
5%
14:00
25°
7%
15:00
25°
7%
16:00
25°
7%
17:00
25°
7%
18:00
24°
7%
19:00
23°
7%
20:00
21°
3%
21:00
21°
3%
22:00
21°
3%
23:00
20°
3%
16-day forecast
Today
27 May
20°
10%
9 km/h
Tomorrow
28 May
18°
2%
19 km/h
Friday
29 May
18°
8%
14 km/h
Saturday
30 May
18°
10%
14 km/h
Sunday
31 May
16°
6%
14 km/h
Monday
1 Jun
15°
11%
11 km/h
Tuesday
2 Jun
17°
9%
15 km/h
Wednesday
3 Jun
14°
2%
14 km/h
Thursday
4 Jun
16°
5%
14 km/h
Friday
5 Jun
18°
8%
13 km/h
Saturday
6 Jun
21°
14%
12 km/h
Sunday
7 Jun
21°
26%
19 km/h
Monday
8 Jun
17°
16%
13 km/h
Tuesday
9 Jun
19°
23%
17 km/h
Wednesday
10 Jun
22°
26%
9 km/h
Thursday
11 Jun
22°
29%
19 km/h