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Barometric Pressure in St Louis, Missouri, US


0000 hPa
00.00 inHg


00.0 ℃
0.00 ℉


00.0 m/s
00.0 mph


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The pressure in St Louis, United States United States is predicted to rise over the next few hours, with an average pressure of 1013 hPa today, which is considered normal.


Weather prediction: Expect fair, dry, cool weather and a strong breeze

The daily total fluctuation in pressure in St Louis is 5.7 hPa, with a low of 1009.1 hPa and a high of 1014.8 hPa. The daily average here is lower than in most cities around the world.



The average barometric pressure in St Louis, Missouri is 30.12 inches. This is slightly below the national average.

Barometric pressure

The city is located in a valley near the confluence of the Mississippi and Missouri rivers. This location affects the barometric pressure.

The surrounding landscape is flat to gently rolling hills. These hills do not block or disrupt air flows.

However, the city's location in the Midwest exposes it to various air masses. These air masses bring different weather patterns.

Cold air from Canada brings low pressure in winter. Warm air from the Gulf of Mexico brings high pressure in summer.


* The barometric pressure information for St Louis, Missouri, United States on this page is for educational purposes only. We are not responsible for its accuracy or reliability. This information is not medical advice. Consult a health professional for medical concerns and do not rely on this site for medical decisions.