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July 21st, 2026 :: 4:51 pm CDT   

Local Weather Report for
Saint Peters
Missouri, United States

 Saint Peters Weather Forecast Summary  
 
Today
Jul 21st
Wednesday
Jul 22nd
Thursday
Jul 23rd
Friday
Jul 24th
Saturday
Jul 25th
Mostly Sunny Mostly Sunny Mostly Sunny Showers Mostly Sunny
89°F
77°F
61°F
73°F
55°F
66°F
61°F
87°F
63°F
 
 Saint Peters Detailed Weather Forecast  
 
Tuesday, July 21st, 2026
Evening Temperature: 73°F
Clear. Windy at times.
Wednesday, July 22nd, 2026
Overnight Temperature: 63°F
Clear.
Morning Temperature: 66°F
Sunny.
Afternoon Temperature: 77°F
Mostly sunny. Windy at times.
Evening Temperature: 65°F
Clear with cloudy periods. Windy at times.
Thursday, July 23rd, 2026
Overnight Temperature: 57°F
Clear.
Morning Temperature: 63°F
Mostly sunny.
Afternoon Temperature: 72°F
Sunny with cloudy periods.
Evening Temperature: 69°F
A mix of cloudy and clear skies.
Friday, July 24th, 2026
Overnight Temperature: 65°F
Mostly cloudy with a chance of showers.
Morning Temperature: 61°F
Cloudy with a few showers.
Afternoon Temperature: 63°F
Mostly cloudy with a few showers.
Evening Temperature: 63°F
Cloudy with clear periods with a slight chance of showers.
Saturday, July 25th, 2026
Overnight Temperature: 63°F
A mix of cloudy and clear skies with a slight chance of showers.
Morning Temperature: 67°F
A mix of sun and cloud with a slight chance of showers.
Afternoon Temperature: 84°F
Mostly sunny. Chance of a thunderstorm.
Evening Temperature: 79°F
Clear. Chance of a thunderstorm.
Sunday, July 26th, 2026
Overnight Temperature: 74°F
Mostly clear. Chance of a thunderstorm.
Morning Temperature: 81°F
Sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 99°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Evening Temperature: 90°F
Mostly clear. Chance of a thunderstorm.
Monday, July 27th, 2026
Overnight Temperature: 83°F
Mostly clear. Chance of a thunderstorm. Windy at times.
Morning Temperature: 84°F
Mostly sunny. Chance of a thunderstorm. Windy at times.
Afternoon Temperature: 98°F
Sunny. Chance of a thunderstorm. Windy.
Evening Temperature: 86°F
Clear. Chance of a thunderstorm. Windy at times.
Tuesday, July 28th, 2026
Overnight Temperature: 74°F
Clear. Chance of a thunderstorm. Windy at times.
Morning Temperature: 76°F
Sunny. Slight chance of a thunderstorm.
Afternoon Temperature: 88°F
Sunny with cloudy periods. Slight chance of a thunderstorm.
Evening Temperature: 81°F
A mix of cloudy and clear skies. Chance of a thunderstorm.
Wednesday, July 29th, 2026
Overnight Temperature: 73°F
Clear. Slight chance of a thunderstorm.
Morning Temperature: 74°F
A mix of cloud and sun with a chance of showers or thundershowers.
Afternoon Temperature: 87°F
Sunny with cloudy periods. Chance of a thunderstorm.
Evening Temperature: 83°F
Clear. Chance of a thunderstorm.





 

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This WeatherCity Weather Forecast for Saint Peters, 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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