Barometric Pressure in Allentown, United States 
0000 hPa
00.0 ℃
00.0%
00.0 m/s
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The pressure in Allentown, Pennsylvania, United States is predicted rising over the next 24 hours, with an average pressure of today, which is lower than normal.
Weather prediction: Fine, becoming less settled
The daily total fluctuation in pressure in Allentown is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Allentown hour by hour and stay informed about how it will change over the next 6 hours.
Upcoming Days
Stay informed about the barometric pressure trends in Allentown for the upcoming days, including daily minimum and maximum readings.
The barometric pressure in Allentown, Pennsylvania varies throughout the year. It changes from day to day and from season to season. High pressure brings fair weather. Low pressure brings rain and storms.
Allentown is located in the Lehigh Valley. The valley is surrounded by mountains on all sides. The Appalachian Mountains are to the north. The Blue Mountains are to the south.
The mountains affect the air pressure in Allentown. They block or redirect air masses from the north and south. This creates changes in the atmospheric pressure.