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Today Hourly 7 days 30 days February
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February 2026 Weather | O'Fallon, Missouri

Today 2/5
Cloudy Night
Day 43°
Night 30°
3
Fri 2/6
Cloudy Weather
Day 45°
Night 21°
3
Sat 2/7
Cloudy Weather
Day 37°
Night 27°
2
Sun 2/8
Cloudy Weather
Day 55°
Night 30°
6
Mon 2/9
Sunny Weather
Day 64°
Night 41°
0
Tue 2/10
Cloudy Weather
Day 63°
Night 37°
25
Wed 2/11
Cloudy Weather
Day 48°
Night 32°
25
Thu 2/12
Rainy Weather
Day 43°
Night 28°
63
Fri 2/13
Snowy Weather
Day 41°
Night 25°
76
Sat 2/14
Cloudy Weather
Day 46°
Night 27°
15
Sun 2/15
Cloudy Weather
Day 48°
Night 32°
1
Mon 2/16
Cloudy Weather
Day 55°
Night 39°
1
Tue 2/17
Cloudy Weather
Day 57°
Night 36°
1
Wed 2/18
Cloudy Weather
Day 46°
Night 25°
25
Thu 2/19
Cloudy Weather
Day 37°
Night 19°
25
Fri 2/20
Snowy Weather
Day 37°
Night 23°
75
Sat 2/21
Cloudy Weather
Day 37°
Night 18°
25
Sun 2/22
Cloudy Weather
Day 36°
Night 18°
20
Mon 2/23
Sunny Weather
Day 36°
Night 16°
5
Tue 2/24
Snowy Weather
Day 37°
Night 19°
55
Wed 2/25
Cloudy Weather
Day 37°
Night 28°
25
Thu 2/26
Rainy Weather
Day 54°
Night 34°
69
Fri 2/27
Cloudy Weather
Day 52°
Night 25°
25
Sat 2/28
Cloudy Weather
Day 39°
Night 21°
25