Barometric Pressure in Philadelphia, United States 
1017.7 hPa
23.8 ℃
90%
2.48 m/s
Get Alerts 🚨. Sign up to receive alerts when the barometric pressure changes significantly.
The average pressure in Philadelphia, Mississippi, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, very unsettled
Rapid Pressure Changes
Rapid pressure changes detected in Philadelphia, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
- Rapid Rise : ()
The daily total fluctuation in pressure in Philadelphia is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Philadelphia hour by hour across the next 6 hourly readings.
Weather patterns in Philadelphia bring changes in barometric pressure. High pressure brings clear skies, while low pressure brings storms. Pressure changes quickly, often in a few hours.
Philadelphia's elevation is about 400 feet above sea level. The surrounding hills and forests affect atmospheric pressure. Nearby forests and lakes also influence pressure.
In winter, high pressure dominates, bringing cold, dry air. In summer, low pressure brings hot, humid air. Spring and fall have more variable pressure. Pressure changes affect local weather.
Philadelphia has a humid subtropical climate. This means pressure fluctuations are common. Residents experience changing weather patterns, with warm summers and mild winters.