Barometric Pressure in Phoenix, United States 
1015.4 hPa
25 ℃
33%
3.2 m/s
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The average pressure in Phoenix, Arizona, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, very unsettled
Rapid Pressure Changes
Rapid pressure changes detected in Phoenix, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Rise : ()
The daily total fluctuation in pressure in Phoenix is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Phoenix hour by hour across the next 6 hourly readings.
The barometric pressure in Phoenix, Arizona is typically high. It averages around 30.12 inches of mercury. This is due to its location in the Sonoran Desert.
Phoenix is surrounded by mountains to the north and east. These mountains block moisture from the Gulf of California. Moist air cannot reach the city easily. As a result, the air pressure remains high.
The Valley of the Sun, where Phoenix is located, is a basin. It is surrounded by mountains on all sides. This unique geography traps heat and affects local weather patterns. The air is dry and hot during the summer. It is mild and dry during the winter.