Barometric Pressure in Alameda, United States 
1009.3 hPa
14.8 ℃
86%
1.2 m/s
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The average pressure in Alameda, California, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at frequent intervals
The daily total fluctuation in pressure in Alameda is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Alameda hour by hour across the next 6 hourly readings.
The barometric pressure in Alameda, California is typically mild. It averages around 30.05 inches of mercury. This is slightly above the national average. The pressure is usually highest in October and lowest in March.
Alameda is a small island in San Francisco Bay. It is surrounded by water on all sides. The proximity to the Pacific Ocean helps regulate the pressure. The bay's waters and the Golden Gate Strait also moderate the climate.
The surrounding landscape is relatively flat. There are no major mountains or hills nearby. This allows winds to circulate freely. As a result, the pressure remains relatively stable throughout the year.
The weather patterns in Alameda are influenced by its coastal location. The cold Pacific Ocean keeps the pressure from extreme fluctuations. The city experiences a mild marine climate overall.