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July 1st, 2025 :: 3:34 am CDT   

Local Weather Report for
Petersburg
Illinois, United States

 Current Petersburg Weather Conditions Updated July 1st at 1:55 am 
Mostly Clear
Temperature:73°F Dew Point:72°F
Barometer:29.95 inHg Wind:N 17 Mph
Humidity:94.1% Visibility:0M
 
 Petersburg Weather Forecast Summary  
 
Today
Jul 1st
Wednesday
Jul 2nd
Thursday
Jul 3rd
Friday
Jul 4th
Saturday
Jul 5th
Mostly Cloudy with Showers Mostly Sunny Sunny Mix of Cloud and Sun Cloudy
82°F
86°F
67°F
88°F
68°F
89°F
71°F
90°F
72°F
 
 Petersburg Detailed Weather Forecast  
 
Tuesday, July 1st, 2025
Overnight Temperature: 69°F
Mostly clear with showers likely. Windy at times.
Morning Temperature: 79°F
Sunny. Windy at times.
Afternoon Temperature: 80°F
Sunny. Slight chance of a thunderstorm. Windy at times.
Evening Temperature: 70°F
Clear.
Wednesday, July 2nd, 2025
Overnight Temperature: 68°F
Clear.
Morning Temperature: 81°F
Sunny with cloudy periods. Slight chance of a thunderstorm.
Afternoon Temperature: 82°F
Sunny with cloudy periods. Chance of a thunderstorm.
Evening Temperature: 71°F
Clear.
Thursday, July 3rd, 2025
Overnight Temperature: 70°F
Clear.
Morning Temperature: 84°F
Sunny. Slight chance of a thunderstorm.
Afternoon Temperature: 86°F
Sunny. Chance of a thunderstorm.
Evening Temperature: 74°F
Clear.
Friday, July 4th, 2025
Overnight Temperature: 72°F
Clear.
Morning Temperature: 85°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 87°F
Sunny. Chance of a thunderstorm.
Evening Temperature: 75°F
A mix of cloudy and clear skies. Slight chance of a thunderstorm.
Saturday, July 5th, 2025
Overnight Temperature: 72°F
Clear with cloudy periods.
Morning Temperature: 85°F
A mix of cloud and sun. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 87°F
Cloudy. Chance of a thunderstorm. Windy at times.
Evening Temperature: 79°F
A mix of cloudy and clear skies. Chance of a thunderstorm. Windy at times.
Sunday, July 6th, 2025
Overnight Temperature: 72°F
Cloudy with a few showers.
Morning Temperature: 83°F
Cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 82°F
Cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Evening Temperature: 71°F
Cloudy.
Monday, July 7th, 2025
Overnight Temperature: 65°F
Clear.
Morning Temperature: 75°F
Sunny. Windy at times.
Afternoon Temperature: 78°F
Sunny.
Evening Temperature: 66°F
Clear.
Tuesday, July 8th, 2025
Overnight Temperature: 61°F
Clear.
Morning Temperature: 76°F
Sunny.
Afternoon Temperature: 80°F
Mostly sunny.
Evening Temperature: 69°F
Cloudy.
Wednesday, July 9th, 2025
Overnight Temperature: 67°F
A mix of cloudy and clear skies.
Morning Temperature: 79°F
A mix of cloud and sun with a slight chance of showers or thundershowers.
Afternoon Temperature: 81°F
Cloudy with showers likely. Chance of a thunderstorm.
Evening Temperature: 71°F
Clear with a chance of showers or thundershowers.





 

  [ Local Weather Report ]
Fairview Heights, IL 
 
Pontiac, IL 
1:55 AM  73°F
Mostly Clear
 
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1:55 AM  73°F
Mostly Clear
 
Belleville, IL 
1:55 AM  73°F
Mostly Clear
 
Crest Hill, IL 
 
Mascoutah, IL 
1:55 AM  73°F
Mostly Clear
 
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This WeatherCity Weather Forecast for Petersburg, 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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