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May 19th, 2026 :: 11:51 pm CDT   

Local Weather Report for
Saint Peters
Missouri, United States

 Saint Peters Weather Forecast Summary  
 
Today
May 19th
Wednesday
May 20th
Thursday
May 21st
Friday
May 22nd
Saturday
May 23rd
Mix of Cloud and Sun Cloudy Mix of Cloud and Sun Mostly Cloudy Mostly Cloudy with Showers
79°F
63°F
52°F
66°F
52°F
60°F
54°F
76°F
59°F
 
 Saint Peters Detailed Weather Forecast  
 
Wednesday, May 20th, 2026
Overnight Temperature: 56°F
A mix of cloudy and clear skies with a slight chance of showers. Windy at times.
Morning Temperature: 53°F
Cloudy. Windy at times.
Afternoon Temperature: 61°F
Cloudy. Windy at times.
Evening Temperature: 60°F
Cloudy.
Thursday, May 21st, 2026
Overnight Temperature: 54°F
Mostly cloudy.
Morning Temperature: 54°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 64°F
A mix of cloud and sun. Windy at times.
Evening Temperature: 61°F
Mostly cloudy. Windy at times.
Friday, May 22nd, 2026
Overnight Temperature: 54°F
A mix of cloudy and clear skies. Windy at times.
Morning Temperature: 55°F
Cloudy with showers likely. Windy at times.
Afternoon Temperature: 58°F
Cloudy with sunny periods with a chance of showers.
Evening Temperature: 60°F
Cloudy.
Saturday, May 23rd, 2026
Overnight Temperature: 60°F
A mix of cloudy and clear skies.
Morning Temperature: 63°F
A mix of cloud and sun.
Afternoon Temperature: 74°F
A mix of sun and cloud. Slight chance of a thunderstorm.
Evening Temperature: 69°F
Cloudy with a few showers. Slight chance of a thunderstorm.
Sunday, May 24th, 2026
Overnight Temperature: 64°F
A mix of cloudy and clear skies with showers likely.
Morning Temperature: 68°F
Mostly cloudy. Slight chance of a thunderstorm.
Afternoon Temperature: 76°F
A mix of sun and cloud. Slight chance of a thunderstorm.
Evening Temperature: 70°F
Mostly clear. Slight chance of a thunderstorm.
Monday, May 25th, 2026
Overnight Temperature: 65°F
Mostly cloudy.
Morning Temperature: 65°F
Cloudy with a chance of showers.
Afternoon Temperature: 67°F
Cloudy with sunny periods with a chance of showers.
Evening Temperature: 69°F
A mix of cloudy and clear skies with a chance of showers. Slight chance of a thunderstorm.
Tuesday, May 26th, 2026
Overnight Temperature: 66°F
A mix of cloudy and clear skies with a chance of showers.
Morning Temperature: 68°F
A mix of cloud and sun. Windy at times.
Afternoon Temperature: 74°F
A mix of cloud and sun with a slight chance of showers or thundershowers. Windy at times.
Evening Temperature: 72°F
Clear. Chance of a thunderstorm.
Wednesday, May 27th, 2026
Overnight Temperature: 67°F
Clear.
Morning Temperature: 73°F
Mostly sunny. Chance of a thunderstorm.
Afternoon Temperature: 87°F
Mostly sunny. Chance of a thunderstorm.
Evening Temperature: 75°F
Clear with cloudy periods with a chance of showers or thundershowers. Windy at times.





 

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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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