Barometric Pressure in Castro Valley, United States 
0000 hPa
00.0 ℃
00.0 m/s
00.0%
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The pressure in Castro Valley, California, United States is predicted to rise over the next few hours, with an average pressure of 1006.6 hPa today, which is lower than normal.
Weather prediction: Expect fair, dry, cool weather and a strong breeze
The daily total fluctuation in pressure in Castro Valley is 2.6 hPa, with a low of 1005.3 hPa and a high of 1007.9 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Castro Valley hour by hour and stay informed about how it will change over the next 6 hours.
The barometric pressure in Castro Valley varies throughout the day. It is influenced by the city's proximity to the San Francisco Bay. The pressure changes with the tides.
Castro Valley is surrounded by hills to the east and the bay to the west. The hills block some air masses from reaching the city. This affects the barometric pressure. The city's terrain creates a unique microclimate.
The landscape around Castro Valley also impacts the local weather patterns. The hills to the east create a rain shadow effect. This reduces precipitation in the city. The bay to the west moderates the temperature.