Barometric Pressure in San Antonio, United States 
1019.8 hPa
26.8 ℃
55%
2.51 m/s
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The average pressure in San Antonio, Texas, United States today is , which is considered normal. Pressure is trending steady.
Weather prediction: Changeable, mending
Rapid Pressure Changes
Rapid pressure changes detected in San Antonio, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
The daily total fluctuation in pressure in San Antonio is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in San Antonio hour by hour across the next 6 hourly readings.
The barometric pressure in San Antonio, United States, varies throughout the year. During the summer months, it tends to be low, around 29.8 inches of mercury, due to the influence of the Gulf of Mexico. In the winter, the barometric pressure rises to around 30.2 inches, as cold air masses move into the region from the north.
The landscape around San Antonio plays a role in the atmospheric pressure. The city is located inland, surrounded by hills and plateaus. These geographical features can impact the pressure system by creating temperature variations and blocking or redirecting air currents. Additionally, the proximity to the Gulf of Mexico adds moisture to the air, affecting the overall atmospheric conditions in the area.