Barometric Pressure in Saint Charles, United States 
1020.7 hPa
5.2 ℃
39%
3.85 m/s
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The average pressure in Saint Charles, Missouri, United States today is , which is considered normal. Pressure is trending rising.
Weather prediction: Fairly fine, possible showers early
Rapid Pressure Changes
Rapid pressure changes detected in Saint Charles, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Rise : ()
- Rapid Rise : ()
The daily total fluctuation in pressure in Saint Charles is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Saint Charles hour by hour across the next 6 hourly readings.
The weather in Saint Charles, Missouri, changes frequently, causing barometric pressure to rise and fall. These changes can bring different types of weather, such as sunny skies or storms.
Saint Charles is about 500 feet above sea level, and its location near the Missouri River affects atmospheric pressure. The nearby river and surrounding hills can make the air pressure change quickly.
During winter, the pressure is usually lower, bringing colder air and snow. In summer, the pressure is higher, leading to warmer temperatures and humidity. In spring and fall, the pressure is often in between, resulting in mild weather.
Saint Charles has a humid continental climate, which means it has warm summers and cold winters. This climate type causes the barometric pressure to fluctuate regularly, leading to a mix of sunny and stormy weather throughout the year.