O'Fallon (MO)
10 day weather forecast for O'Fallon
Monday, July 7th, 2025, at 04:14 AM
today
33° 23°
tomorrow
22° 18°
Wednesday
33° 17°
Thursday
32° 21°
Friday
36° 23°
Saturday
33° 22°
Sunday
30° 22°
Seemore
O'Fallon Weather Pages
O'Fallon weather forecast
The weather forecast for O'Fallon for today indicates very hot and sticky conditions with a humidity level of about 83% with temperatures around 33 °F.
Rain is expected on Monday, Tuesday, Thursday, and Friday.
Wind speeds are expected to be breezy, averaging around 13 km/h.
On Tuesday, a notable cooling trend with temperatures reaching 22°C, and extremely heavy downpours with a 85% chance, expected to exceed 237.21mm.
O'Fallon 14 days weather forecast
This weeks weather in O'Fallon. Click on a date for detailed forecasts
Mon. 7
33°
23°
2.1 mm
Tue. 8
22°
18°
237.2 mm
Wed. 9
33°
17°
0 mm
Thu. 10
32°
21°
0.2 mm
Fri. 11
36°
23°
1 mm
Sat. 12
33°
22°
0.2 mm
Sun. 13
30°
22°
0 mm
Mon. 14
34°
20°
0.1 mm
Tue. 15
36°
22°
2.5 mm
Wed. 16
37°
22°
1.1 mm
Thu. 17
32°
22°
0.6 mm
Fri. 18
24°
19°
0.2 mm
Sat. 19
28°
17°
0 mm
Sun. 20
31°
20°
0.1 mm
You can click on date
Access O'Fallon weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
O'Fallon Wind Speed Forecast Chart
This chart illustrates the projected daily max wind speed (in km) in O'Fallon over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀
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Where is O'Fallon?Get accurate weather forecasts for O'Fallon, located at latitude 38.811 and longitude -90.7. Stay updated with localized weather information tailored for O'Fallon.
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