Barometric Pressure
Barometric Pressure in Porterville, United States 
0000 hPa
00.0 ℃
00.0 m/s
00.0%
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The pressure in Porterville, California, United States is predicted to rise over the next few hours, with an average pressure of 997.4 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 Porterville is 4.5 hPa, with a low of 995.5 hPa and a high of 1000 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Porterville hour by hour and stay informed about how it will change over the next 6 hours.
Porterville, California has high air pressure during the dry summer months, making the air feel heavy. The Sierra Nevada mountains to the east block moisture from the Pacific Ocean, causing dry air to sink, increasing pressure. In winter, air pressure drops as storms from the Pacific bring rain. Porterville has a semi-arid climate, with high pressure dominating most of the year,