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August 5th, 2025 :: 9:15 am CDT   

Local Weather Report for
Dekalb
Illinois, United States

 Current Dekalb Weather Conditions Updated August 5th at 7:55 am 
mist
Temperature:68°F Dew Point:68°F
Barometer:30.24 inHg Wind:calm
Humidity:100.0% Visibility:0M
 
 Dekalb Weather Forecast Summary  
 
Today
Aug 5th
Wednesday
Aug 6th
Thursday
Aug 7th
Friday
Aug 8th
Saturday
Aug 9th
Mostly Sunny Cloudy Cloudy Cloudy Cloudy
81°F
81°F
61°F
84°F
66°F
85°F
68°F
86°F
70°F
 
 Dekalb Detailed Weather Forecast  
 
Tuesday, August 5th, 2025
Morning Temperature: 77°F
Sunny.
Afternoon Temperature: 76°F
Mostly sunny.
Evening Temperature: 64°F
Clear.
Wednesday, August 6th, 2025
Overnight Temperature: 62°F
Cloudy.
Morning Temperature: 77°F
Mostly sunny.
Afternoon Temperature: 79°F
Sunny. Chance of a thunderstorm.
Evening Temperature: 68°F
Clear.
Thursday, August 7th, 2025
Overnight Temperature: 66°F
A mix of cloudy and clear skies.
Morning Temperature: 79°F
Cloudy. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 82°F
Sunny with cloudy periods. Chance of a thunderstorm.
Evening Temperature: 72°F
A mix of cloudy and clear skies. Chance of a thunderstorm.
Friday, August 8th, 2025
Overnight Temperature: 69°F
Cloudy. Slight chance of a thunderstorm.
Morning Temperature: 79°F
Cloudy with a chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 82°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 72°F
Clear. Chance of a thunderstorm. Windy at times.
Saturday, August 9th, 2025
Overnight Temperature: 70°F
A mix of cloudy and clear skies. Chance of a thunderstorm. Windy at times.
Morning Temperature: 83°F
Sunny. Chance of a thunderstorm. Windy.
Afternoon Temperature: 84°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 72°F
Cloudy. Chance of a thunderstorm. Windy at times.
Sunday, August 10th, 2025
Overnight Temperature: 70°F
Cloudy. Slight chance of a thunderstorm. Windy at times.
Morning Temperature: 82°F
Cloudy. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 84°F
Cloudy. Chance of a thunderstorm. Windy.
Evening Temperature: 75°F
Clear with cloudy periods. Chance of a thunderstorm. Windy at times.
Monday, August 11th, 2025
Overnight Temperature: 68°F
Cloudy with showers likely. Windy at times.
Morning Temperature: 74°F
Cloudy with a slight chance of showers or thundershowers. Windy at times.
Afternoon Temperature: 77°F
Cloudy with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 70°F
Cloudy with a chance of showers. Slight chance of a thunderstorm.
Tuesday, August 12th, 2025
Overnight Temperature: 68°F
Cloudy.
Morning Temperature: 77°F
Cloudy. Slight chance of a thunderstorm.
Afternoon Temperature: 78°F
Cloudy with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 68°F
Clear with a chance of showers. Slight chance of a thunderstorm.
Wednesday, August 13th, 2025
Overnight Temperature: 66°F
Clear with cloudy periods.
Morning Temperature: 79°F
Cloudy.
Afternoon Temperature: 80°F
Cloudy. Slight chance of a thunderstorm.
Evening Temperature: 69°F
A mix of cloudy and clear skies.





 

  [ Local Weather Report ]
De Kalb, IL 
7:55 AM  68°F
mist
 
Sycamore, IL 
7:55 AM  68°F
mist
 
Genoa, IL 
7:55 AM  68°F
mist
 
Rochelle, IL 
7:55 AM  68°F
 
 
Sandwich, IL 
7:52 AM  70°F
mist smoke
 
Plano, IL 
7:52 AM  70°F
mist smoke
 
Batavia, IL 
7:52 AM  72°F
mist
 
Geneva, IL 
7:52 AM  72°F
mist
 
Marengo, IL 
 
Belvidere, IL 

This WeatherCity Weather Forecast for Dekalb, 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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