Barometric Pressure in San Jacinto, United States 
1009.7 hPa
21.2 ℃
35%
0.1 m/s
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The average pressure in San Jacinto, California, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at frequent intervals
Rapid Pressure Changes
Rapid pressure changes detected in San Jacinto, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
- Rapid Rise : ()
- Rapid Rise : ()
The daily total fluctuation in pressure in San Jacinto is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in San Jacinto hour by hour across the next 6 hourly readings.
Weather patterns in San Jacinto cause barometric pressure to rise and fall. Pressure changes happen when high and low-pressure systems move in or out of the area.
San Jacinto's high elevation and mountainous landscape make atmospheric pressure drop more quickly. The surrounding mountains also block or redirect air masses, causing pressure changes.
In winter, pressure is usually lower due to storms and low-pressure systems. In summer, pressure is higher due to high-pressure systems and fair weather. Spring and fall have moderate pressure.
San Jacinto has a Mediterranean climate, which means mild, wet winters and hot, dry summers. This climate type causes barometric pressure to fluctuate frequently, making the weather change often.