Barometric Pressure in Hereford, United States 
1013 hPa
13.8 ℃
82%
2.4 m/s
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The average pressure in Hereford, Arizona, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at frequent intervals
Rapid Pressure Changes
Rapid pressure changes detected in Hereford, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
- Rapid Fall : ()
- Rapid Rise : ()
- Rapid Fall : ()
- Rapid Fall : ()
The daily total fluctuation in pressure in Hereford is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Hereford hour by hour across the next 6 hourly readings.
The barometric pressure in Hereford, Arizona is typically high during the summer months. It often reaches 30.2 inches of mercury. In the winter, it drops to around 29.8 inches. This slight variation has a minimal impact on daily life.
Hereford is surrounded by mountains to the east and west. The San Rafael Valley lies to the south. The surrounding landscape affects the atmospheric pressure. The mountains block moisture from the Gulf of California. This keeps the air dry and contributes to the high pressure.
The valley allows cool air from the north to enter the area. This cool air sinks, causing the pressure to rise. The unique combination of mountains and valley shapes the local climate.