Barometric Pressure in South Pasadena, United States

• Forecast Chart
• Hourly Trends

The pressure in South Pasadena, California, United States is predicted to slowly drop over the next few hours, with an average pressure of

992.9

today, which is lower than normal.

Weather prediction: Expect more wet and unsettled conditions

The daily total fluctuation in pressure in South Pasadena is

2.8

, with a low of

991.7

and a high of

994.5

.

Forecast

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.