Barometric Pressure in Walla Walla, United States 
0000 hPa
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The pressure in Walla Walla, Washington, United States is predicted to steady rise over the next few hours, with an average pressure of 984.3 hPa today, which is lower than normal.
Weather prediction: Continued current weather
The daily total fluctuation in pressure in Walla Walla is 7.2 hPa, with a low of 980.1 hPa and a high of 987.3 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Walla Walla hour by hour and stay informed about how it will change over the next 6 hours.
Weather patterns in Walla Walla bring changes in air pressure as low-pressure systems from the Pacific Ocean meet high-pressure systems from the east.
Walla Walla's high elevation and valley location make air pressure drop more quickly, leading to larger changes in pressure.
In winter, pressure is often low, bringing rain and snow. In summer, high pressure dominates, leading to clear skies. Spring and fall see more moderate pressure.
Walla Walla has a dry climate, with big temperature swings, which causes air pressure to fluctuate widely, making the weather feel more extreme.