Logo  Barometric Pressure

Barometric Pressure in Washington, Washington, D.C., US


0000 hPa
00.00 inHg


00.0 ℃
0.00 ℉


00.0 m/s
00.0 mph


Weather now

Get Alerts 🚨. Sign up to receive alerts when the barometric pressure changes significantly.

The pressure in Washington, United States United States is predicted to quickly rise over the next few hours, with an average pressure of 1018.9 hPa today, which is considered normal.


Weather prediction: Expect more dry and cold weather and a strong breeze to gale winds

The daily total fluctuation in pressure in Washington is 6 hPa, with a low of 1015 hPa and a high of 1021 hPa. The daily average here is higher than in most cities around the world.



The barometric pressure in Washington, D.C. typically ranges from 30.1 to 30.3 inches. This is slightly above the national average.

Barometric pressure

The surrounding landscape plays a significant role in shaping the pressure. The city is situated near the Atlantic Ocean. The ocean's moisture-laden air contributes to the pressure patterns.

The Appalachian Mountains are to the west of Washington, D.C. They moderate the pressure by blocking or redirecting air masses. The mountains also force warm air to rise, cool, and condense, resulting in precipitation.

The Potomac River runs along the southwestern edge of the city. It has a limited impact on the pressure. However, it can influence local weather conditions by enhancing humidity and precipitation.


* The barometric pressure information for Washington, Washington, D.C., 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.