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

Today 7/21
Sunny with a Chance of Thunderstorms
Day 93°
Night 64°
55
Wed 7/22
Cloudy Weather
Day 82°
Night 61°
2
Thu 7/23
Cloudy Weather
Day 81°
Night 63°
23
Fri 7/24
Rainy Weather
Day 79°
Night 64°
89
Sat 7/25
Cloudy Weather
Day 82°
Night 70°
49
Sun 7/26
Cloudy Weather
Day 91°
Night 73°
10
Mon 7/27
Cloudy Weather
Day 91°
Night 72°
3
Tue 7/28
Sunny Weather
Day 88°
Night 66°
0
Wed 7/29
Sunny Weather
Day 88°
Night 64°
0
Thu 7/30
Sunny Weather
Day 90°
Night 64°
0
Fri 7/31
Cloudy Weather
Day 91°
Night 66°
0

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