O Fallon, IL Monthly Weather

Altitude - 159m | 38°35′24″N,89°54′36″W | map (OSM)

O Fallon, IL

°F

6:30 pmSunny7mphNE

Fri, May 9, 20257:11 PM (GMT -05:00)

May

Sun	Mon	Tue	Wed	Thu	Fri May 9 70 °F low50 °F	Sat May 10 74 °F low46 °F
Sun May 11 78 °F low52 °F	Mon May 12 71 °F low59 °F	Tue May 13 76 °F low59 °F	Wed May 14 81 °F low62 °F	Thu May 15 85 °F low68 °F	Fri May 16 80 °F low65 °F	Sat May 17 75 °F low63 °F
Sun May 18 72 °F low62 °F	Mon May 19 71 °F low60 °F	Tue May 20 72 °F low62 °F	Wed May 21 71 °F low58 °F	Thu May 22 74 °F low58 °F	Fri May 23 87 °F low66 °F	Sat May 24 86 °F low65 °F
Sun May 25 85 °F low64 °F	Mon May 26 86 °F low64 °F	Tue May 27 82 °F low59 °F	Wed May 28 63 °F low47 °F	Thu May 29 63 °F low42 °F	Fri May 30 70 °F low50 °F	Sat May 31 74 °F low59 °F

June

Sun

Jun 1

°F

low60

°F

Mon

Jun 2

°F

low61

°F

Tue

Jun 3

°F

low60

°F

Wed

Jun 4

°F

low64

°F

Thu

Jun 5

°F

low69

°F

Fri

Jun 6

°F

low70

°F

Sat

Jun 7

°F

low68

°F

Last updated 7h 34min ago

Temperature in O Fallon, IL for month

* O Fallon, IL 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, IL, 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, IL. Please note that long-term forecasts are not a forecast as such, but only reflect the statistics of past years.