Barometric Pressure in Castaic, California, US

The pressure in Castaic, United States is predicted to slowly drop over the next few hours, with an average pressure of 967.7 hPa today, which is lower than normal.

Weather prediction: Expect more wet and unsettled conditions

The daily total fluctuation in pressure in Castaic is 2.8 hPa, with a low of 966.4 hPa and a high of 969.2 hPa. The daily average here is lower than in most cities around the world.

Forecast

The weather in Castaic has a big effect on barometric pressure. High-pressure systems bring clear skies and stable air. Low-pressure systems bring storms and changing air.

Castaic's high elevation and surrounding mountains make atmospheric pressure change frequently. The San Gabriel Mountains to the east and the Sierra Pelona Mountains to the north influence air movement.

In the winter, high pressure brings dry air and clear skies. In the summer, low pressure brings hot air and thunderstorms. Spring and fall have mild air pressure.

Castaic has a Mediterranean climate with dry summers and wet winters. This means big changes in barometric pressure throughout the year, making the weather often unpredictable.