Barometric Pressure in Upper Darby, United States 
0000 hPa
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The pressure in Upper Darby, Pennsylvania, United States is predicted to drop over the next few hours, with an average pressure of 1004.4 hPa today, which is lower than normal.
Weather prediction: Expect wet, unsettled weather and a strong breeze
The daily total fluctuation in pressure in Upper Darby is 13.3 hPa, with a low of 996.9 hPa and a high of 1010.2 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.