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Barometric Pressure in Ottumwa, Iowa, US


0000 hPa
00.00 inHg


00.0 ℃
0.00 ℉


00.0 m/s
00.0 mph


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The pressure in Ottumwa, United States United States is predicted to rise over the next few hours, with an average pressure of 1015.6 hPa today, which is considered normal.


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

The daily total fluctuation in pressure in Ottumwa is 7.9 hPa, with a low of 1010.1 hPa and a high of 1018 hPa. The daily average here is higher than in most cities around the world.



The average barometric pressure in Ottumwa, Iowa is 30.12 inches. This is slightly lower than the national average. The pressure varies throughout the year. In winter, it is around 30.05 inches. In summer, it is around 30.20 inches.

Barometric pressure

Ottumwa is located in a valley. The Des Moines River flows through the city. The surrounding landscape is mostly flat. There are some hills to the north and east.

The flat landscape allows winds to move freely. This affects the atmospheric pressure. Cold air from Canada moves south. Warm air from the Gulf of Mexico moves north. They meet in Ottumwa, changing the pressure.

The meeting of cold and warm air masses causes weather changes. Ottumwa experiences a mix of precipitation and temperature fluctuations. This affects the barometric pressure, making it unstable at times.


* The barometric pressure information for Ottumwa, Iowa, 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.