Barometric Pressure in Gilbert, United States 
1008.1 hPa
37.1 ℃
21%
0.6 m/s
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The average pressure in Gilbert, Arizona, United States today is , which is lower than normal. Pressure is trending falling.
Weather prediction: Rain at frequent intervals
The daily total fluctuation in pressure in Gilbert is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Gilbert hour by hour across the next 6 hourly readings.
Gilbert, Arizona's weather is affected by its location in the Sonoran Desert. The desert's high pressure system brings hot air from the south during summer. This hot air expands and rises, making air pressure lower.
Gilbert's geography, with mountains to the north and east, blocks cooler air from entering the area. This keeps the hot air trapped, making summers even hotter.
In winter, a low-pressure system from the Pacific Ocean brings cooler air. This cooler air is denser, making air pressure higher. The temperature difference between summer and winter creates a big change in air pressure.
Gilbert has a desert climate, which means very little rainfall. The dry air is lighter, contributing to lower air pressure. The combination of hot summers and mild winters creates a unique pressure pattern in Gilbert.