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

The pressure in Washington, United States is predicted to slowly drop over the next few hours, with an average pressure of 1003.5 hPa today, which is lower than normal.

Weather prediction: Expect more wet and unsettled conditions

The daily total fluctuation in pressure in Washington is 4.4 hPa, with a low of 1001.2 hPa and a high of 1005.6 hPa. The daily average here is lower than in most cities around the world.

Forecast

• Low Pressure
• Normal Range
• High Pressure

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

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.

Disclaimer

* 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.