Barometric Pressure in Upper Darby, United States 
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The pressure in Upper Darby, Pennsylvania, United States is predicted to slowly drop over the next few hours, with an average pressure of 1016.6 hPa today, which is considered normal.
Weather prediction: Expect more wet and unsettled conditions
The daily total fluctuation in pressure in Upper Darby is 2.8 hPa, with a low of 1015.3 hPa and a high of 1018.1 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Upper Darby hour by hour and stay informed about how it will change over the next 6 hours.
The barometric pressure in Upper Darby, Pennsylvania is usually around 30.14 inches. It can go up to 30.30 inches in the summer. In the winter, it can drop to 29.80 inches.
Upper Darby is a suburban township in Delaware County. It is located about 7 miles west of Philadelphia. The city is surrounded by gentle hills and woodlands.
These hills and woodlands can affect the barometric pressure. They can block or redirect winds coming from the east. This can make the pressure rise or fall more slowly.
The Schuylkill River is also near Upper Darby. It can add moisture to the air. This can lead to changes in the barometric pressure.