Barometric Pressure in Mount Joy, United States 
1024.6 hPa
13 ℃
89%
1.8 m/s
Get Alerts 🚨. Sign up to receive alerts when the barometric pressure changes significantly.
The average pressure in Mount Joy, Pennsylvania, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, worse later
The daily total fluctuation in pressure in Mount Joy is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Mount Joy hour by hour across the next 6 hourly readings.
Mount Joy has varying air pressure due to changing weather. High pressure brings clear skies, while low pressure brings clouds and rain.
The city's geography, near mountains and valleys, affects air pressure. As air rises over mountains, it cools and creates lower pressure.
In summer, high pressure dominates, bringing warm and sunny days. In winter, low pressure brings cold and snowy conditions.
Mount Joy has a humid continental climate. This means large pressure changes occur between seasons, leading to varied weather patterns.