Sun	Mon	Tue	Wed	Thu May 1 72 °F low62 °F	Fri May 2 68 °F low56 °F	Sat May 3 67 °F low49 °F
Sun May 4 69 °F low46 °F	Mon May 5 74 °F low50 °F	Tue May 6 78 °F low53 °F	Wed May 7 78 °F low57 °F	Thu May 8 77 °F low58 °F	Fri May 9 77 °F low58 °F	Sat May 10 77 °F low57 °F
Sun May 11 76 °F low58 °F	Mon May 12 78 °F low59 °F	Tue May 13 68 °F low43 °F	Wed May 14 72 °F low52 °F	Thu May 15 65 °F low56 °F	Fri May 16 73 °F low62 °F	Sat May 17 71 °F low61 °F
Sun May 18 71 °F low63 °F	Mon May 19 78 °F low67 °F	Tue May 20 83 °F low65 °F	Wed May 21 86 °F low63 °F	Thu May 22 87 °F low65 °F	Fri May 23 88 °F low68 °F	Sat May 24 88 °F low66 °F
Sun May 25 86 °F low65 °F	Mon May 26 87 °F low66 °F	Tue May 27 83 °F low59 °F	Wed May 28 59 °F low48 °F	Thu	Fri	Sat

Last updated 4h 55min ago

Temperature in O'Fallon, MO for month

* O'Fallon, MO Monthly weather is based on statistical data for the last 10 years. It is intended for personal use on an "as is" basis. This page provides the weather forecast for the next 30 days. In this forecast option you can see precipitation icons and maximum air temperature. The first 14 days reflect the current weather forecast for O'Fallon, MO, and the following days reflect the weather based on statistical data from the last few years of measurements. This weather forecast will be useful for a general understanding of weather changes the nearest month for O'Fallon, MO. Please note that long-term forecasts are not a forecast as such, but only reflect the statistics of past years.