Barometric Pressure in Pasco, United States 
1016.9 hPa
15.8 ℃
44%
1.12 m/s
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The average pressure in Pasco, Washington, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, worse later
The daily total fluctuation in pressure in Pasco is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Pasco hour by hour across the next 6 hourly readings.
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.