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Barometric Pressure in Herndon, Virginia, US


0000 hPa
00.00 inHg


00.0 ℃
0.00 ℉


00.0 m/s
00.0 mph


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The pressure in Herndon, United States United States is predicted to slowly rise over the next few hours, with an average pressure of 1010.3 hPa today, which is considered normal.


Weather prediction: Expect more fair, dry, cool weather

The daily total fluctuation in pressure in Herndon is 4.2 hPa, with a low of 1008.2 hPa and a high of 1012.4 hPa. The daily average here is lower than in most cities around the world.



The barometric pressure in Herndon, Virginia varies throughout the year. The average pressure is 30.05 inches of mercury. It is highest in November at 30.12 inches. It is lowest in April at 29.98 inches. The pressure is usually steady, with minor fluctuations.

Barometric pressure

Herndon is situated in the Piedmont region of Virginia. This region is a plateau between the Blue Ridge Mountains and the Coastal Plain. The city is about 20 miles west of Washington D.C. The surrounding terrain is relatively flat, with some small hills.

The landscape around Herndon affects the atmospheric pressure. The mountains to the west block some weather patterns. The urban heat island effect of nearby Washington D.C. also influences the pressure. The flat terrain allows winds to blow freely, stabilizing the pressure.


* The barometric pressure information for Herndon, Virginia, United States on this page is for educational purposes only. We are not responsible for its accuracy or reliability. This information is not medical advice. Consult a health professional for medical concerns and do not rely on this site for medical decisions.