United States
Barometric Pressure in Santa Ana, CA
Santa Ana is in California, United States. These forecasts use the saved city coordinates; nearby weather model grid points and their elevations may differ.
- Coordinates: 33.7456, -117.8678
- Timezone: America/Los_Angeles
- Approximate terrain elevation: 35 m
Current pressure
—hPa
- Surface pressure
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- Change over three hours
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Pressure trend and forecast
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Yesterday through the seven-day forecast. Drag across the chart to explore hourly pressure; release to return to now.
Predicted Rapid Changes
Daily Forecast
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Normal barometric pressure in Santa Ana
Santa Ana is close to sea level (about 35 m), so a barometer or phone sensor there typically reads around 1,009 hPa (29.80 inHg), only about 4 hPa below the sea-level figures in weather reports.
| Reference | hPa | inHg | mmHg |
|---|---|---|---|
| Standard sea-level pressure (used in weather reports) | 1,013.25 | 29.92 | 760 |
| Typical surface pressure at about 35 m (standard-atmosphere estimate) | 1,009 | 29.80 | 757 |
Because the two values are close, local readings and weather reports in Santa Ana are easy to compare directly.
Reading the pressure
Sea-level pressure allows comparison between places at different elevations. Surface pressure represents pressure at the modelled ground elevation. A rising or falling value describes a trend; it is not a complete weather forecast.
Barometric pressure in Santa Ana: common questions
What is normal barometric pressure in Santa Ana?
For weather comparisons, normal sea-level pressure is 1,013.25 hPa (29.92 inHg, 760 mmHg). Readings above it are higher than standard and readings below it are lower. A barometer measuring local pressure at about 35 m in Santa Ana typically reads around 1,009 hPa (29.80 inHg).
Why does my phone show a different pressure in Santa Ana than the weather report?
Phone sensors and household barometers measure pressure where you are, while weather reports adjust readings to sea level so places can be compared. In Santa Ana, that adjustment is about 4 hPa (0.12 inHg) under standard conditions, and it grows if you are on a higher floor or hill.
Is the barometric pressure in Santa Ana high or low today?
When live data loads, compare the current sea-level reading above with 1,013 hPa (29.92 inHg). The three-hour change and the seven-day trend usually say more about changing weather than a single value. Normal, high, and low pressure explained.