Barometric Pressure in Pasco, United States 
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The pressure in Pasco, Washington, United States is predicted to rise over the next few hours, with an average pressure of 996.8 hPa today, which is lower than normal.
Weather prediction: Expect fair, dry, cool weather and a strong breeze
The daily total fluctuation in pressure in Pasco is 3.9 hPa, with a low of 994.7 hPa and a high of 998.6 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Pasco hour by hour and stay informed about how it will change over the next 6 hours.
Pasco, Washington has high air pressure in summer, making it hot and dry, and low air pressure in winter, making it cool and rainy.
The nearby Columbia River and surrounding hills affect air pressure by blocking or redirecting winds.
In summer, high pressure from the Pacific High brings clear skies and heat. In winter, low pressure from the Aleutian Low brings rain and clouds.
Pasco has a desert climate, with hot summers and cool winters, due to its location near the 46th parallel. This means big temperature changes between seasons, affecting air pressure.