Barometric Pressure in Pottstown, United States 
1013.5 hPa
21.9 ℃
35%
4.49 m/s
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The average pressure in Pottstown, Pennsylvania, United States today is , which is considered normal. Pressure is trending rising.
Weather prediction: Fine, possible showers
Rapid Pressure Changes
Rapid pressure changes detected in Pottstown, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
The daily total fluctuation in pressure in Pottstown is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Pottstown hour by hour across the next 6 hourly readings.
The barometric pressure in Pottstown, Pennsylvania is generally around 30 inches. It can fluctuate slightly throughout the day.
The surrounding landscape affects the pressure. Pottstown is located in a valley. Mountains surround the city to the north and west.
These mountains block or redirect air masses. This can cause pressure changes. The valley traps cold air in the winter.
In the summer, the valley heats up quickly. This can lead to rising pressure. The landscape contributes to Pottstown's unique weather patterns.