Barometric Pressure in California, United States 
1018.2 hPa
22.2 ℃
60%
3.16 m/s
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The average pressure in California, Maryland, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, very unsettled
Rapid Pressure Changes
Rapid pressure changes detected in California, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
The daily total fluctuation in pressure in California is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in California hour by hour across the next 6 hourly readings.
California's air pressure changes with the weather. When high pressure dominates, it's usually sunny. Low pressure brings clouds and rain.
The state's geography affects air pressure. Mountains block airflow, creating different pressure areas. Coastal regions have milder pressure changes.
In winter, low pressure brings rain. Summer high pressure makes it hot and dry. Spring and fall have milder pressure and temperatures.
California has a Mediterranean climate. This means it has high pressure in summer and low pressure in winter, leading to distinct wet and dry seasons.