United States
Barometric Pressure in Garden Grove, CA
Garden Grove is in California, United States. These forecasts use the saved city coordinates; nearby weather model grid points and their elevations may differ.
- Coordinates: 33.7739, -117.9415
- Timezone: America/Los_Angeles
- Approximate terrain elevation: 27 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 Garden Grove
Garden Grove is close to sea level (about 27 m), so a barometer or phone sensor there typically reads around 1,010 hPa (29.83 inHg), only about 3 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 27 m (standard-atmosphere estimate) | 1,010 | 29.83 | 758 |
Because the two values are close, local readings and weather reports in Garden Grove 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 Garden Grove: common questions
What is normal barometric pressure in Garden Grove?
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 27 m in Garden Grove typically reads around 1,010 hPa (29.83 inHg).
Why does my phone show a different pressure in Garden Grove 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 Garden Grove, that adjustment is about 3 hPa (0.10 inHg) under standard conditions, and it grows if you are on a higher floor or hill.
Is the barometric pressure in Garden Grove 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.