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Barometric Pressure in Costa Mesa, California, US


0000 hPa
00.00 inHg


00.0 ℃
0.00 ℉


00.0 m/s
00.0 mph


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The pressure in Costa Mesa, United States United States is predicted to slowly drop over the next few hours, with an average pressure of 1016.1 hPa today, which is considered normal.


Weather prediction: Expect more wet and unsettled conditions

The daily total fluctuation in pressure in Costa Mesa is 4.3 hPa, with a low of 1013.7 hPa and a high of 1018 hPa. The daily average here is higher than in most cities around the world.



The average barometric pressure in Costa Mesa, California is 30.09 inches. This is slightly higher than the national average. The pressure ranges from 29.80 to 30.40 inches throughout the year.

Barometric pressure

Costa Mesa is located near the coast. The Pacific Ocean is to the west. The San Joaquin Hills are to the east. These natural formations affect the atmospheric pressure.

The ocean breeze helps regulate the pressure. It brings cooler air from the west. The hills block winds from the east. This creates a microclimate in Costa Mesa.

The surrounding landscape affects the pressure in different seasons. During summer, the ocean breeze keeps the pressure stable. In winter, the hills block cold air from the east, causing pressure to drop slightly.


* The barometric pressure information for Costa Mesa, California, United States on this page is for educational purposes only. We are not responsible for its accuracy or reliability. This information is not medical advice. Consult a health professional for medical concerns and do not rely on this site for medical decisions.