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July 18th, 2025 :: 7:01 pm CDT   

Local Weather Report for
St Charles
Missouri, United States

 Current St Charles Weather Conditions Updated July 18th at 5:54 pm 
Temperature:84°F Dew Point:75°F
Barometer:30.01 inHg Wind:N 19 Mph
Humidity:74.5% Visibility:0M
 
 St Charles Weather Forecast Summary  
 
Today
Jul 18th
Saturday
Jul 19th
Sunday
Jul 20th
Monday
Jul 21st
Tuesday
Jul 22nd
Thundershowers Thundershowers Thundershowers Thundershowers Mix of Cloud and Sun
82°F
91°F
72°F
91°F
74°F
90°F
71°F
93°F
75°F
 
 St Charles Detailed Weather Forecast  
 
Friday, July 18th, 2025
Evening Temperature: 74°F
Cloudy with showers likely. Chance of a thunderstorm.
Saturday, July 19th, 2025
Overnight Temperature: 73°F
A mix of cloudy and clear skies. Slight chance of a thunderstorm.
Morning Temperature: 82°F
Cloudy with showers likely. Chance of a thunderstorm.
Afternoon Temperature: 89°F
Mostly sunny. Chance of a thunderstorm.
Evening Temperature: 79°F
Clear. Chance of a thunderstorm.
Sunday, July 20th, 2025
Overnight Temperature: 75°F
Cloudy. Slight chance of a thunderstorm.
Morning Temperature: 84°F
Cloudy. Chance of a thunderstorm.
Afternoon Temperature: 88°F
Mostly sunny with a slight chance of showers or thundershowers.
Evening Temperature: 76°F
Mostly clear with showers likely. Chance of a thunderstorm.
Monday, July 21st, 2025
Overnight Temperature: 73°F
Cloudy with a few showers. Chance of a thunderstorm.
Morning Temperature: 86°F
Cloudy with showers likely. Chance of a thunderstorm.
Afternoon Temperature: 89°F
Cloudy with a slight chance of showers or thundershowers.
Evening Temperature: 78°F
Clear with a chance of showers or thundershowers.
Tuesday, July 22nd, 2025
Overnight Temperature: 76°F
Clear. Chance of a thunderstorm.
Morning Temperature: 89°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 89°F
A mix of cloud and sun. Chance of a thunderstorm. Windy at times.
Evening Temperature: 80°F
Clear. Chance of a thunderstorm.
Wednesday, July 23rd, 2025
Overnight Temperature: 76°F
Mostly clear. Slight chance of a thunderstorm.
Morning Temperature: 90°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 95°F
Sunny. Chance of a thunderstorm.
Evening Temperature: 80°F
Clear. Chance of a thunderstorm.
Thursday, July 24th, 2025
Overnight Temperature: 76°F
Clear. Slight chance of a thunderstorm.
Morning Temperature: 88°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 92°F
Sunny. Chance of a thunderstorm.
Evening Temperature: 76°F
Cloudy with showers likely. Chance of a thunderstorm. Windy.
Friday, July 25th, 2025
Overnight Temperature: 74°F
A mix of cloudy and clear skies. Slight chance of a thunderstorm.
Morning Temperature: 88°F
Sunny. Chance of a thunderstorm.
Afternoon Temperature: 90°F
Sunny with cloudy periods. Chance of a thunderstorm. Windy at times.
Evening Temperature: 80°F
A mix of clear and cloudy skies. Chance of a thunderstorm.
Saturday, July 26th, 2025
Overnight Temperature: 76°F
A mix of clear and cloudy skies with a chance of showers.
Morning Temperature: 87°F
Sunny with a slight chance of showers or thundershowers.
Afternoon Temperature: 91°F
Mostly sunny. Chance of a thunderstorm.
Evening Temperature: 79°F
Cloudy with a slight chance of showers or thundershowers.





 

  [ Local Weather Report ]
Portage Des Sioux, MO 
5:54 PM  84°F
 
 
Saint Charles, MO 
5:51 PM  88°F
Partly Clear
 
Bridgeton, MO 
5:51 PM  88°F
Partly Clear
 
Florissant, MO 
5:51 PM  88°F
Partly Clear
 
Hazelwood, MO 
5:51 PM  88°F
Partly Clear
 
Altamont, IL 
5:50 PM  84°F
Overcast
 
West Alton, MO 
5:50 PM  84°F
Overcast
 
St Louis, MO 
5:51 PM  88°F
Partly Clear
 
Berkeley, MO 
5:51 PM  88°F
Partly Clear
 
Black Jack, MO 
5:51 PM  88°F
Partly Clear

This WeatherCity Weather Forecast for St Charles, Missouri, 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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