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January 4th, 2026 :: 11:29 pm CST   

Local Weather Report for
Monmouth
Illinois, United States

 Monmouth Weather Forecast Summary  
 
Today
Jan 4th
Monday
Jan 5th
Tuesday
Jan 6th
Wednesday
Jan 7th
Thursday
Jan 8th
Cloudy Cloudy Mostly Sunny Sunny Cloudy
36°F
47°F
33°F
54°F
40°F
55°F
36°F
49°F
39°F
 
 Monmouth Detailed Weather Forecast  
 
Monday, January 5th, 2026
Overnight Temperature: 34°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 42°F
Cloudy.
Afternoon Temperature: 42°F
Cloudy.
Evening Temperature: 42°F
Cloudy. Windy at times.
Tuesday, January 6th, 2026
Overnight Temperature: 43°F
Clear with cloudy periods. Windy at times.
Morning Temperature: 50°F
Sunny with cloudy periods. Windy.
Afternoon Temperature: 46°F
Sunny. Windy at times.
Evening Temperature: 41°F
Clear with cloudy periods. Windy at times.
Wednesday, January 7th, 2026
Overnight Temperature: 37°F
Clear.
Morning Temperature: 47°F
Sunny. Windy at times.
Afternoon Temperature: 47°F
Sunny.
Evening Temperature: 44°F
Clear.
Thursday, January 8th, 2026
Overnight Temperature: 40°F
Clear.
Morning Temperature: 46°F
Cloudy. Windy at times.
Afternoon Temperature: 42°F
Cloudy.
Evening Temperature: 40°F
Cloudy.
Friday, January 9th, 2026
Overnight Temperature: 37°F
Cloudy.
Morning Temperature: 38°F
Cloudy.
Afternoon Temperature: 38°F
Cloudy.
Evening Temperature: 36°F
Cloudy. Windy at times.
Saturday, January 10th, 2026
Overnight Temperature: 30°F
Clear. Windy.
Morning Temperature: 30°F
Cloudy. Windy.
Afternoon Temperature: 27°F
Sunny with cloudy periods. Windy.
Evening Temperature: 23°F
Clear. Windy at times.
Sunday, January 11th, 2026
Overnight Temperature: 20°F
Clear. Windy at times.
Morning Temperature: 28°F
Sunny.
Afternoon Temperature: 28°F
Sunny.
Evening Temperature: 29°F
Clear. Windy at times.
Monday, January 12th, 2026
Overnight Temperature: 31°F
Clear. Windy.
Morning Temperature: 41°F
Cloudy. Windy.
Afternoon Temperature: 43°F
A mix of sun and cloud. Windy at times.
Evening Temperature: 40°F
A mix of cloudy and clear skies. Windy.





 

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9:52 PM  34°F
 

 
This WeatherCity Weather Forecast for Monmouth, Illinois, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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