O'Fallon, MO Monthly Weather

Altitude - 158m | 38°40′19″N,90°13′48″W | map (OSM)

O'Fallon, MO

°F

7 amMostly Cloudy1mphSW

Thu, December 11, 20257:46 AM (GMT -06:00)

December

Sun	Mon	Tue	Wed	Thu Dec 11 37 °F low27 °F	Fri Dec 12 36 °F low30 °F	Sat Dec 13 30 °F low11 °F
Sun Dec 14 14 °F low3 °F	Mon Dec 15 35 °F low8 °F	Tue Dec 16 46 °F low25 °F	Wed Dec 17 51 °F low38 °F	Thu Dec 18 51 °F low35 °F	Fri Dec 19 43 °F low29 °F	Sat Dec 20 53 °F low42 °F
Sun Dec 21 47 °F low36 °F	Mon Dec 22 49 °F low37 °F	Tue Dec 23 51 °F low44 °F	Wed Dec 24 51 °F low44 °F	Thu Dec 25 59 °F low39 °F	Fri Dec 26 52 °F low50 °F	Sat Dec 27 59 °F low38 °F
Sun Dec 28 48 °F low38 °F	Mon Dec 29 40 °F low37 °F	Tue Dec 30 48 °F low39 °F	Wed Dec 31 61 °F low43 °F	Thu	Fri	Sat

Last updated 4h 10min 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.