O'Fallon (MO)
10 day weather forecast for O'Fallon
Monday, August 25th, 2025, at 06:19 PM
today
24° 13°
tomorrow
26° 10°
Wednesday
25° 12°
Thursday
30° 15°
Friday
29° 16°
Saturday
26° 17°
Sunday
29° 16°
Seemore
O'Fallon Weather Pages
O'Fallon weather forecast
The weather forecast for O'Fallon over the next 3 days indicates comfortable conditions with temperatures ranging from 24 °F to 26 °F.
Wind speeds are expected to be breezy, averaging around 15 km/h.
On Thursday, a significant warming trend with temperatures reaching 30°C.
O'Fallon 14 days weather forecast
This weeks weather in O'Fallon. Click on a date for detailed forecasts
Mon. 25
24°
13°
0 mm
Tue. 26
26°
10°
0 mm
Wed. 27
25°
12°
0 mm
Thu. 28
30°
15°
0 mm
Fri. 29
29°
16°
0 mm
Sat. 30
26°
17°
0 mm
Sun. 31
29°
16°
0 mm
Mon. 1
26°
17°
1.4 mm
Tue. 2
29°
18°
0.5 mm
Wed. 3
30°
20°
0.3 mm
Thu. 4
33°
19°
4 mm
Fri. 5
27°
20°
20.2 mm
Sat. 6
25°
21°
12.6 mm
Sun. 7
28°
21°
7.7 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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