Barometric Pressure in San Marcos, Texas, US

The pressure in San Marcos, United States is predicted to slowly drop over the next few hours, with an average pressure of 1000.2 hPa today, which is lower than normal.

Weather prediction: Expect more wet and unsettled conditions

The daily total fluctuation in pressure in San Marcos is 15.5 hPa, with a low of 990.3 hPa and a high of 1005.8 hPa. The daily average here is higher than in most cities around the world.

Forecast

Weather patterns in San Marcos cause barometric pressure to rise and fall. Changes in pressure bring different types of weather. High pressure means fair weather, while low pressure means stormy weather.

San Marcos's elevation is about 200 meters above sea level. The surrounding hills and valleys affect atmospheric pressure. The landscape makes pressure change quickly.

In winter, pressure is usually high, and skies are clear. In spring and fall, pressure is lower, and storms are more likely. In summer, pressure is high, and days are hot.

San Marcos has a humid subtropical climate. Barometric pressure fluctuations are small, making the weather feel comfortable most of the time.