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January 12th, 2026 :: 11:39 am CST   

Local Weather Report for
Fairfield
Illinois, United States

 Current Fairfield Weather Conditions Updated January 12th at 10:55 am 
Temperature:43°F Dew Point:21°F
Barometer:30.33 inHg Wind:N 28 Mph
Humidity:41.7% Visibility:0M
 
 Fairfield Weather Forecast Summary  
 
Today
Jan 12th
Tuesday
Jan 13th
Wednesday
Jan 14th
Thursday
Jan 15th
Friday
Jan 16th
Mix of Cloud and Sun Cloudy Cloudy Cloudy Cloudy
47°F
55°F
36°F
46°F
21°F
28°F
19°F
40°F
23°F
 
 Fairfield Detailed Weather Forecast  
 
Monday, January 12th, 2026
Morning Temperature: 40°F
Sunny. Windy at times.
Afternoon Temperature: 38°F
A mix of cloud and sun.
Evening Temperature: 37°F
Clear. Windy at times.
Tuesday, January 13th, 2026
Overnight Temperature: 37°F
Cloudy. Windy at times.
Morning Temperature: 49°F
Cloudy. Windy.
Afternoon Temperature: 50°F
Cloudy. Windy at times.
Evening Temperature: 46°F
Cloudy.
Wednesday, January 14th, 2026
Overnight Temperature: 45°F
Cloudy with a chance of showers. Windy at times.
Morning Temperature: 39°F
Cloudy. Windy.
Afternoon Temperature: 25°F
Sunny with cloudy periods. Windy.
Evening Temperature: 22°F
Cloudy. Windy.
Thursday, January 15th, 2026
Overnight Temperature: 20°F
Clear. Windy.
Morning Temperature: 25°F
Sunny. Windy.
Afternoon Temperature: 23°F
A mix of cloud and sun.
Evening Temperature: 21°F
Cloudy.
Friday, January 16th, 2026
Overnight Temperature: 24°F
Cloudy. Windy at times.
Morning Temperature: 35°F
Cloudy. Windy.
Afternoon Temperature: 36°F
Cloudy. Windy at times.
Evening Temperature: 31°F
Cloudy. Windy at times.
Saturday, January 17th, 2026
Overnight Temperature: 28°F
Cloudy with a chance of flurries or showers. Windy.
Morning Temperature: 20°F
Cloudy with a chance of flurries. Windy.
Afternoon Temperature: 14°F
Sunny with cloudy periods. Windy.
Evening Temperature: 10°F
Clear with cloudy periods. Windy.
Sunday, January 18th, 2026
Overnight Temperature: 8°F
Clear. Windy at times.
Morning Temperature: 17°F
Sunny with cloudy periods. Windy at times.
Afternoon Temperature: 19°F
Sunny.
Evening Temperature: 22°F
Clear with cloudy periods. Windy at times.
Monday, January 19th, 2026
Overnight Temperature: 27°F
Clear. Windy at times.
Morning Temperature: 41°F
Sunny. Windy.
Afternoon Temperature: 33°F
Sunny. Windy at times.
Evening Temperature: 28°F
Clear.
Tuesday, January 20th, 2026
Overnight Temperature: 28°F
Mostly clear.
Morning Temperature: 42°F
Cloudy. Windy at times.
Afternoon Temperature: 37°F
Sunny.
Evening Temperature: 30°F
Clear.





 

  [ Local Weather Report ]
Flora, IL 
10:55 AM  41°F
 
 
Albion, IL 
 
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Mount Vernon, IL 
10:56 AM  45°F
 
 
Olney, IL 
10:55 AM  41°F
 
 
Salem, IL 
10:55 AM  45°F
 
 
Centralia, IL 
 
Benton, IL 
 
Harrisburg, IL 
10:55 AM  43°F
 

 
This WeatherCity Weather Forecast for Fairfield, 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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