0000 hPa
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The pressure in Herndon, United States is predicted to rise over the next few hours, with an average pressure of 1035.9 hPa today, which is higher than normal.
Weather prediction: Expect fair, dry, cool weather and a strong breeze
The daily total fluctuation in pressure in Herndon is 6.2 hPa, with a low of 1032.5 hPa and a high of 1038.7 hPa. The daily average here is higher than in most cities around the world.
The barometric pressure in Herndon, Virginia, varies throughout the year. It changes depending on weather systems moving into the region. Pressure drops when low-pressure systems approach. It rises when high-pressure systems dominate.
Herndon is located near the Piedmont plateau. This plateau stretches from New Jersey to Alabama. The city is surrounded by gentle slopes and hills. The nearby Blue Ridge Mountains are about 20 miles west.