Barometric Pressure in Walnut Creek, United States 
1018.3 hPa
30.5 ℃
18%
2 m/s
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The average pressure in Walnut Creek, California, United States today is , which is considered normal. Pressure is trending steady.
Weather prediction: Changeable, mending
The daily total fluctuation in pressure in Walnut Creek is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Walnut Creek hour by hour across the next 6 hourly readings.
The barometric pressure in Walnut Creek fluctuates throughout the day, influenced by the movement of high and low-pressure systems. It is affected by the wind patterns and humidity in the atmosphere.
Walnut Creek is situated in a valley surrounded by the Diablo Range to the east and the San Francisco Bay to the west. This unique landscape creates a microclimate, where the air is trapped and circulated within the valley. The surrounding mountains block or redirect winds, causing the air pressure to rise or fall. As a result, the barometric pressure in Walnut Creek is distinct from the surrounding areas.