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Barometric Pressure in San Diego, 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 San Diego, United States United States is predicted to slowly drop over the next few hours, with an average pressure of 1014.8 hPa today, which is considered normal.


Weather prediction: Expect more wet and unsettled conditions

The daily total fluctuation in pressure in San Diego is 2.6 hPa, with a low of 1013.3 hPa and a high of 1015.9 hPa. The daily average here is higher than in most cities around the world.



San Diego's average barometric pressure is 30.12 inches. This is slightly above the national average. The pressure rarely falls below 29.8 inches or rises above 30.4 inches.

Barometric pressure

San Diego is surrounded by mountains to the east and the Pacific Ocean to the west. The mountains block cold air from the east. The ocean brings mild, moist air from the west. The combination of these two factors influences the atmospheric pressure.

The mountains also create a rain shadow effect. This means San Diego receives very little rainfall. The ocean's warmth and moisture keep the pressure relatively stable. As a result, San Diego's weather is mild and pleasant year-round.


* The barometric pressure information for San Diego, 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.