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December 13th, 2025 :: 10:44 am CST   

Local Weather Report for
St Charles
Missouri, United States

 Current St Charles Weather Conditions Updated December 13th at 9:54 am 
Overcast
Temperature:19°F Dew Point:12°F
Barometer:30.27 inHg Wind:N 26 Mph
Humidity:72.2% Visibility:0M
 
 St Charles Weather Forecast Summary  
 
Today
Dec 13th
Sunday
Dec 14th
Monday
Dec 15th
Tuesday
Dec 16th
Wednesday
Dec 17th
Cloudy Mix of Sun and Cloud Mostly Sunny Cloudy Cloudy
26°F
13°F
3°F
40°F
11°F
50°F
29°F
52°F
39°F
 
 St Charles Detailed Weather Forecast  
 
Saturday, December 13th, 2025
Morning Temperature: 20°F
Cloudy. Windy at times.
Afternoon Temperature: 16°F
Cloudy. Windy at times.
Evening Temperature: 11°F
Clear with cloudy periods. Windy at times.
Sunday, December 14th, 2025
Overnight Temperature: 4°F
Clear. Windy at times.
Morning Temperature: 8°F
Sunny. Windy at times.
Afternoon Temperature: 9°F
Sunny.
Evening Temperature: 9°F
A mix of clear and cloudy skies.
Monday, December 15th, 2025
Overnight Temperature: 12°F
Clear. Windy at times.
Morning Temperature: 30°F
Mostly sunny. Windy at times.
Afternoon Temperature: 32°F
Sunny.
Evening Temperature: 30°F
Clear.
Tuesday, December 16th, 2025
Overnight Temperature: 29°F
Clear.
Morning Temperature: 43°F
Sunny. Windy at times.
Afternoon Temperature: 40°F
Sunny. Windy at times.
Evening Temperature: 40°F
Cloudy. Windy at times.
Wednesday, December 17th, 2025
Overnight Temperature: 40°F
Clear with cloudy periods.
Morning Temperature: 48°F
Cloudy.
Afternoon Temperature: 50°F
Cloudy. Windy at times.
Evening Temperature: 52°F
Cloudy. Windy.
Thursday, December 18th, 2025
Overnight Temperature: 58°F
Cloudy with a chance of showers. Windy.
Morning Temperature: 57°F
Cloudy with showers likely. Windy.
Afternoon Temperature: 46°F
Sunny.
Evening Temperature: 42°F
A mix of cloudy and clear skies.
Friday, December 19th, 2025
Overnight Temperature: 39°F
Cloudy.
Morning Temperature: 44°F
Cloudy. Windy at times.
Afternoon Temperature: 45°F
Cloudy. Windy at times.
Evening Temperature: 47°F
Cloudy. Windy.
Saturday, December 20th, 2025
Overnight Temperature: 52°F
Clear with cloudy periods. Windy.
Morning Temperature: 63°F
Cloudy with a chance of showers. Windy.
Afternoon Temperature: 50°F
Cloudy with showers likely. Windy at times.
Evening Temperature: 41°F
Cloudy. Windy.
Sunday, December 21st, 2025
Overnight Temperature: 32°F
Cloudy. Windy at times.
Morning Temperature: 35°F
A mix of sun and cloud. Windy at times.
Afternoon Temperature: 34°F
Sunny.
Evening Temperature: 30°F
Clear.





 

  [ Local Weather Report ]
Portage Des Sioux, MO 
9:54 AM  19°F
Overcast
 
Saint Charles, MO 
 
Bridgeton, MO 
9:51 AM  21°F
Overcast
 
Florissant, MO 
9:51 AM  21°F
Overcast
 
Hazelwood, MO 
9:51 AM  21°F
Overcast
 
Altamont, IL 
 
West Alton, MO 
 
St Louis, MO 
9:51 AM  21°F
Overcast
 
Berkeley, MO 
9:51 AM  21°F
Overcast
 
Black Jack, MO 
9:51 AM  21°F
Overcast

 
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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