Barometric Pressure in Antofagasta, Chile 
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The pressure in Antofagasta, Antofagasta, Chile is predicted to slowly drop over the next few hours, with an average pressure of 1012.6 hPa today, which is considered normal.
Weather prediction: Expect more wet and unsettled conditions
The daily total fluctuation in pressure in Antofagasta is 3.1 hPa, with a low of 1011.4 hPa and a high of 1014.5 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Antofagasta hour by hour and stay informed about how it will change over the next 6 hours.
Antofagasta is a coastal desert city in Chile. Its air pressure is high due to the Pacific High, a high-pressure system that sits over the Pacific Ocean.
The city's geography, being surrounded by the Pacific Ocean and the Andes Mountains, blocks moisture from entering, making the air very dry.
In summer, the air pressure is lower due to the South Pacific High moving north, allowing cooler air to enter. In winter, the air pressure is higher as the high-pressure system moves south.
Antofagasta has an arid desert climate, which means very little rainfall. The high air pressure from the Pacific High and the city's geography traps dry air, keeping the climate hot and dry.