Hourly Weather | Tomorrow Friday, February 27, 2026
O'Fallon, Missouri
12 AM
Night
37°
Feels Like 36°
0
Humidity: 87%
UV Index: 0
Wind: 6 mph
1 AM
Night
36°
Feels Like 34°
0
Humidity: 92%
UV Index: 0
Wind: 6 mph
2 AM
Night
36°
Feels Like 32°
0
Humidity: 91%
UV Index: 0
Wind: 6 mph
3 AM
Night
36°
Feels Like 30°
0
Humidity: 92%
UV Index: 0
Wind: 7 mph
4 AM
Night
34°
Feels Like 30°
0
Frost Risk: 66%
Humidity: 95%
UV Index: 0
Wind: 7 mph
5 AM
Night
34°
Feels Like 28°
0
Frost Risk: 51%
Humidity: 96%
UV Index: 0
Wind: 7 mph
6 AM
Night
34°
Feels Like 28°
0
Frost Risk: 51%
Humidity: 95%
UV Index: 0
Wind: 7 mph
7 AM
Sunny Weather
32°
Feels Like 27°
0
Frost Risk: 93%
Humidity: 100%
UV Index: 1
Wind: 7 mph
8 AM
Sunny Weather
36°
Feels Like 32°
0
Humidity: 93%
UV Index: 1
Wind: 8 mph
9 AM
Sunny Weather
43°
Feels Like 39°
0
Humidity: 75%
UV Index: 2
Wind: 9 mph
10 AM
Sunny Weather
50°
Feels Like 50°
0
Humidity: 58%
UV Index: 3
Wind: 10 mph
11 AM
Sunny Weather
59°
Feels Like 61°
0
Humidity: 43%
UV Index: 4
Wind: 10 mph
12 PM
Sunny Weather
64°
Feels Like 66°
0
Humidity: 36%
UV Index: 4
Wind: 12 mph
1 PM
Sunny Weather
66°
Feels Like 68°
0
Humidity: 32%
UV Index: 4
Wind: 12 mph
2 PM
Sunny Weather
70°
Feels Like 70°
0
Humidity: 28%
UV Index: 3
Wind: 14 mph
3 PM
Sunny Weather
73°
Feels Like 72°
0
Humidity: 24%
UV Index: 2
Wind: 14 mph
4 PM
Sunny Weather
72°
Feels Like 70°
0
Humidity: 26%
UV Index: 1
Wind: 13 mph
5 PM
Sunny Weather
70°
Feels Like 66°
0
Humidity: 29%
UV Index: 1
Wind: 10 mph
6 PM
Night
64°
Feels Like 63°
0
Humidity: 35%
UV Index: 0
Wind: 9 mph
7 PM
Night
61°
Feels Like 57°
0
Humidity: 40%
UV Index: 0
Wind: 8 mph
8 PM
Night
57°
Feels Like 55°
0
Humidity: 45%
UV Index: 0
Wind: 8 mph
9 PM
Night
55°
Feels Like 52°
0
Humidity: 50%
UV Index: 0
Wind: 8 mph
10 PM
Night
54°
Feels Like 48°
0
Humidity: 56%
UV Index: 0
Wind: 8 mph
11 PM
Night
50°
Feels Like 46°
0
Humidity: 62%
UV Index: 0
Wind: 7 mph