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August 9th, 2025 :: 6:37 pm CDT   

Local Weather Report for
De Kalb
Illinois, United States

 Current De Kalb Weather Conditions Updated August 9th at 5:55 pm 
Temperature:86°F Dew Point:77°F
Barometer:30.01 inHg Wind:N 19 Mph
Humidity:74.6% Visibility:0M
 
 De Kalb Weather Forecast Summary  
 
Today
Aug 9th
Sunday
Aug 10th
Monday
Aug 11th
Tuesday
Aug 12th
Wednesday
Aug 13th
Mix of Cloud and Sun Thundershowers Thundershowers Thundershowers Cloudy
87°F
81°F
69°F
75°F
69°F
84°F
69°F
84°F
67°F
 
 De Kalb Detailed Weather Forecast  
 
Saturday, August 9th, 2025
Evening Temperature: 75°F
Clear. Chance of a thunderstorm. Windy at times.
Sunday, August 10th, 2025
Overnight Temperature: 71°F
Cloudy with showers likely. Slight chance of a thunderstorm. Windy at times.
Morning Temperature: 77°F
Cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 79°F
Cloudy. Chance of a thunderstorm. Windy at times.
Evening Temperature: 72°F
Cloudy with a few showers. Chance of a thunderstorm. Windy at times.
Monday, August 11th, 2025
Overnight Temperature: 70°F
Cloudy with a few showers.
Morning Temperature: 72°F
Cloudy with a few showers. Slight chance of a thunderstorm. Windy at times.
Afternoon Temperature: 74°F
Cloudy with showers likely. Chance of a thunderstorm.
Evening Temperature: 69°F
Cloudy with a chance of showers. Slight chance of a thunderstorm.
Tuesday, August 12th, 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: 81°F
Cloudy with showers likely. Chance of a thunderstorm. Windy at times.
Evening Temperature: 70°F
A mix of cloudy and clear skies with a slight chance of showers or thundershowers.
Wednesday, August 13th, 2025
Overnight Temperature: 68°F
Cloudy.
Morning Temperature: 79°F
Cloudy. Chance of a thunderstorm.
Afternoon Temperature: 81°F
Cloudy with a chance of showers or thundershowers.
Evening Temperature: 71°F
Clear with a chance of showers or thundershowers.
Thursday, August 14th, 2025
Overnight Temperature: 69°F
Clear. Slight chance of a thunderstorm.
Morning Temperature: 81°F
Sunny with a chance of showers or thundershowers.
Afternoon Temperature: 83°F
Sunny. Chance of a thunderstorm.
Evening Temperature: 73°F
Clear. Chance of a thunderstorm.
Friday, August 15th, 2025
Overnight Temperature: 72°F
A mix of cloudy and clear skies. Chance of a thunderstorm.
Morning Temperature: 84°F
Cloudy. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 84°F
Cloudy. Chance of a thunderstorm. Windy at times.
Evening Temperature: 75°F
Clear with a slight chance of showers or thundershowers. Windy at times.
Saturday, August 16th, 2025
Overnight Temperature: 68°F
Cloudy with a slight chance of showers.
Morning Temperature: 77°F
Cloudy with a few showers. Chance of a thunderstorm.
Afternoon Temperature: 73°F
Cloudy with a chance of showers or thundershowers. Windy at times.
Evening Temperature: 63°F
Clear with cloudy periods with a chance of showers. Windy at times.
Sunday, August 17th, 2025
Overnight Temperature: 58°F
Clear. Windy at times.
Morning Temperature: 72°F
Sunny. Windy at times.
Afternoon Temperature: 70°F
Sunny. Windy at times.
Evening Temperature: 58°F
Clear. Windy at times.





 

  [ Local Weather Report ]
Dekalb, IL 
5:55 PM  86°F
 
 
Sycamore, IL 
5:55 PM  86°F
 
 
Genoa, IL 
5:55 PM  86°F
 
 
Rochelle, IL 
5:55 PM  82°F
 
 
Sandwich, IL 
5:52 PM  90°F
 
 
Batavia, IL 
5:52 PM  88°F
 
 
Geneva, IL 
5:52 PM  88°F
 
 
Plano, IL 
5:52 PM  90°F
 
 
Marengo, IL 
 
Aurora, IL 
5:52 PM  90°F
 

This WeatherCity Weather Forecast for De Kalb, 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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