Barometric Pressure in Castaic, United States

• Forecast Chart
• Hourly Trends

The pressure in Castaic, California, United States is predicted to rise over the next few hours, with an average pressure of 970.7 hPa today, which is lower than normal.

Weather prediction: Expect fair, dry, cool weather and a strong breeze

The daily total fluctuation in pressure in Castaic is 3 hPa, with a low of 969.2 hPa and a high of 972.2 hPa.

Forecast

Hourly Pressure Trends

Track the barometric pressure in Castaic hour by hour and stay informed about how it will change over the next 6 hours.

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.