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July 21st, 2026 :: 4:50 pm CDT   

Local Weather Report for
Geneseo
Illinois, United States

 Geneseo Weather Forecast Summary  
 
Today
Jul 21st
Wednesday
Jul 22nd
Thursday
Jul 23rd
Friday
Jul 24th
Saturday
Jul 25th
Thundershowers Mostly Sunny Mostly Sunny Mix of Cloud and Sun Mix of Sun and Cloud
77°F
69°F
51°F
73°F
53°F
69°F
60°F
77°F
62°F
 
 Geneseo Detailed Weather Forecast  
 
Tuesday, July 21st, 2026
Evening Temperature: 67°F
Clear. Windy at times.
Wednesday, July 22nd, 2026
Overnight Temperature: 56°F
Clear.
Morning Temperature: 56°F
Sunny.
Afternoon Temperature: 68°F
Sunny with cloudy periods.
Evening Temperature: 63°F
Mostly clear.
Thursday, July 23rd, 2026
Overnight Temperature: 54°F
Clear.
Morning Temperature: 62°F
Sunny.
Afternoon Temperature: 72°F
Mostly sunny.
Evening Temperature: 68°F
A mix of cloudy and clear skies.
Friday, July 24th, 2026
Overnight Temperature: 63°F
Cloudy.
Morning Temperature: 61°F
Mostly cloudy.
Afternoon Temperature: 69°F
Sunny with cloudy periods. Windy at times.
Evening Temperature: 65°F
Mostly clear.
Saturday, July 25th, 2026
Overnight Temperature: 62°F
A mix of cloudy and clear skies.
Morning Temperature: 66°F
A mix of cloud and sun.
Afternoon Temperature: 77°F
A mix of cloud and sun. Chance of a thunderstorm.
Evening Temperature: 75°F
Mostly clear. Chance of a thunderstorm.
Sunday, July 26th, 2026
Overnight Temperature: 72°F
A mix of clear and cloudy skies with a slight chance of showers or thundershowers.
Morning Temperature: 78°F
Mostly sunny. Chance of a thunderstorm.
Afternoon Temperature: 91°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 85°F
Clear with cloudy periods. Chance of a thunderstorm.
Monday, July 27th, 2026
Overnight Temperature: 80°F
Mostly clear. Chance of a thunderstorm. Windy at times.
Morning Temperature: 82°F
Sunny. Chance of a thunderstorm. Windy.
Afternoon Temperature: 90°F
Sunny. Chance of a thunderstorm. Windy.
Evening Temperature: 75°F
Clear. Chance of a thunderstorm. Windy at times.
Tuesday, July 28th, 2026
Overnight Temperature: 69°F
Clear.
Morning Temperature: 74°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 85°F
A mix of sun and cloud. Chance of a thunderstorm.
Evening Temperature: 79°F
Clear. Chance of a thunderstorm.
Wednesday, July 29th, 2026
Overnight Temperature: 70°F
Mostly clear.
Morning Temperature: 73°F
Mostly sunny. Windy at times.
Afternoon Temperature: 86°F
Sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 81°F
Clear. Chance of a thunderstorm.





 

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This WeatherCity Weather Forecast for Geneseo, 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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