Barometric Pressure in Merced, United States 
1010.6 hPa
19.5 ℃
40%
2.45 m/s
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The average pressure in Merced, California, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, very unsettled
The daily total fluctuation in pressure in Merced is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Merced hour by hour across the next 6 hourly readings.
Weather patterns in Merced bring high and low-pressure systems that cause changes in barometric pressure, leading to different types of weather. These systems move quickly, changing the pressure frequently.
Merced's elevation of 170 feet above sea level and its location in the San Joaquin Valley influence atmospheric pressure. The valley's shape and surrounding mountains also affect the pressure.
In the winter, high pressure dominates, bringing dry and clear weather. In the summer, low pressure brings hot temperatures and dry skies. Spring and fall bring a mix of both.
Merced has a semi-arid climate, which means barometric pressure fluctuations are large and frequent, resulting in changing weather that can be unpredictable and varying.