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May 27th, 2026 :: 9:07 am CDT   

Local Weather Report for
Fairfield
Illinois, United States

 Current Fairfield Weather Conditions Updated May 27th at 7:55 am 
Overcast
Temperature:70°F Dew Point:68°F
Barometer:29.98 inHg Wind:calm
Humidity:94.0% Visibility:0M
 
 Fairfield Weather Forecast Summary  
 
Today
May 27th
Thursday
May 28th
Friday
May 29th
Saturday
May 30th
Sunday
May 31st
Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny Mix of Sun and Cloud
78°F
82°F
64°F
77°F
58°F
78°F
60°F
77°F
58°F
 
 Fairfield Detailed Weather Forecast  
 
Wednesday, May 27th, 2026
Morning Temperature: 69°F
A mix of cloud and sun. Slight chance of a thunderstorm.
Afternoon Temperature: 78°F
A mix of sun and cloud with a chance of showers or thundershowers.
Evening Temperature: 72°F
Clear with a chance of showers or thundershowers.
Thursday, May 28th, 2026
Overnight Temperature: 66°F
Mostly clear. Windy at times.
Morning Temperature: 69°F
Mostly sunny. Windy at times.
Afternoon Temperature: 82°F
Mostly sunny. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 73°F
Mostly clear. Slight chance of a thunderstorm. Windy at times.
Friday, May 29th, 2026
Overnight Temperature: 63°F
Mostly clear. Windy at times.
Morning Temperature: 63°F
Mostly sunny.
Afternoon Temperature: 76°F
Mostly sunny.
Evening Temperature: 69°F
Mostly clear.
Saturday, May 30th, 2026
Overnight Temperature: 61°F
Mostly clear.
Morning Temperature: 66°F
Mostly sunny.
Afternoon Temperature: 78°F
Mostly sunny. Windy at times.
Evening Temperature: 68°F
Mostly clear.
Sunday, May 31st, 2026
Overnight Temperature: 60°F
Mostly clear.
Morning Temperature: 63°F
Sunny with cloudy periods.
Afternoon Temperature: 76°F
A mix of cloud and sun.
Evening Temperature: 68°F
A mix of cloudy and clear skies.
Monday, June 1st, 2026
Overnight Temperature: 60°F
Mostly clear.
Morning Temperature: 68°F
Sunny.
Afternoon Temperature: 78°F
Cloudy with sunny periods with showers likely. Chance of a thunderstorm. Windy at times.
Evening Temperature: 60°F
Clear with a chance of showers. Windy.
Tuesday, June 2nd, 2026
Overnight Temperature: 53°F
Clear. Windy at times.
Morning Temperature: 59°F
Sunny. Windy.
Afternoon Temperature: 72°F
Sunny. Slight chance of a thunderstorm. Windy.
Evening Temperature: 64°F
Clear with cloudy periods. Slight chance of a thunderstorm. Windy at times.
Wednesday, June 3rd, 2026
Overnight Temperature: 52°F
Clear. Windy at times.
Morning Temperature: 59°F
Sunny. Windy.
Afternoon Temperature: 72°F
Sunny. Windy.
Evening Temperature: 65°F
Clear.
Thursday, June 4th, 2026
Overnight Temperature: 57°F
Clear.
Morning Temperature: 64°F
Sunny.
Afternoon Temperature: 76°F
Sunny with cloudy periods.
Evening Temperature: 68°F
Mostly clear.





 

  [ Local Weather Report ]
Flora, IL 
7:55 AM  70°F
mist
 
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Mount Vernon, IL 
7:56 AM  70°F
 
 
Olney, IL 
7:50 AM  70°F
Overcast
 
Salem, IL 
7:55 AM  70°F
mist
 
Centralia, IL 
7:55 AM  70°F
Overcast
 
Benton, IL 
 
Harrisburg, IL 
7:55 AM  72°F
Overcast

 
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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