10-Day Weather Forecast for O'Fallon (MO)
Six-hourly outlook through Monday 27 July. Updated every three hours via MET Norway.
What's the weather in O'Fallon this week?
Today's weather - Saturday 18 Jul
For Saturday the predicted weather in O'Fallon is rain showers during the afternoon and evening. The maximum temperature is a very warm 32°C (90°F), while the minimum temperature is a warm 25°C (77°F).
Tomorrow's weather - Sunday 19 Jul
The forecast for O'Fallon on Sunday is rain showers during the afternoon and night. Expect highs of a very warm 32°C (90°F) and lows of around 24°C (75°F).
10-Day Weather Forecast
During the next 10 days, temperatures will reach 36°C (97°F) on Tuesday before declining again, with average highs of 30°C (86°F) and lows of 23°C (73°F). Compared to July norms, this represents typical weather. The following 10 days will bring some sunshine. Rainfall is expected to be a bit more than usual (compared to typical July conditions). The forecast shows some rainy days. Precipitation is expected on roughly 4 days (Sat, Sun, Mon, Fri). Wind conditions will be generally calm.
Weather Forecast FAQ for O'Fallon
When will be the warmest day next week?
The warmest day is expected to be Tuesday with a high of 36°C (97°F).
When will be the coldest day?
The coldest day is forecasted for Friday with a low of 18°C (64°F).
Will it rain next week in O'Fallon?
Yes, rain is expected on 4 days , specifically on Sat, Sun, Mon, Fri.
How much rainfall is expected next week?
A total of 36 mm (1.4 in) of rain is forecasted for the 10-day period.
What will be the temperature range next week?
Temperatures will range from 18°C (64°F) to 36°C (97°F).
More about O'Fallon
Explore the full O'Fallon climate overview with monthly averages, or check rainfall data and temperature by month.
O'Fallon weather by month
Browse monthly averages for O'Fallon: climate by month with temperature, rainfall and sunshine.
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