Barometric Pressure in Castro Valley, United States 
1013 hPa
15.0 ℃
50%
3.0 m/s
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Forecast
Hourly Pressure Trends
Track the barometric pressure in Castro Valley hour by hour across the next 6 hourly readings.
Castro Valley has mild weather with cool, wet winters and warm, dry summers. Air pressure is usually high, making it feel pleasant.
The valley's geography, with hills and mountains, affects air pressure. As air rises over the hills, it cools, and pressure decreases.
Winters have low-pressure systems, bringing rain and clouds. Summers have high-pressure systems, resulting in clear skies and warm temperatures.
Castro Valley has a Mediterranean climate. This means it experiences high pressure most of the year, with low pressure during winter, leading to distinct seasonal weather patterns.