Barometric Pressure in South Pasadena, United States 
0000 hPa
00.0 ℃
00.0%
00.0 m/s
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The pressure in South Pasadena, California, United States is predicted falling over the next 24 hours, with an average pressure of today, which is lower than normal.
Weather prediction: Rain at frequent intervals
The daily total fluctuation in pressure in South Pasadena is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in South Pasadena hour by hour and stay informed about how it will change over the next 6 hours.
Upcoming Days
Stay informed about the barometric pressure trends in South Pasadena for the upcoming days, including daily minimum and maximum readings.
South Pasadena has mild, wet winters and hot, dry summers. Air pressure changes cause different weather patterns. High pressure brings clear skies and calm conditions. Low pressure brings rain and storms.
The city's geography affects air pressure. Surrounding mountains block cold winds from the north. The San Gabriel Mountains also create a rain shadow effect.
Seasonal pressure changes bring different weather. Winter low pressure systems bring rain. Summer high pressure systems bring heat and sunshine.
South Pasadena has a Mediterranean climate. This climate type means high pressure dominates in summer. Low pressure dominates in winter. The climate brings mild, wet winters and hot, dry summers.