Barometric Pressure in Washington, D.C., United States

• Forecast Chart
• Hourly Trends
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The pressure in Washington, D.C., District of Columbia, United States is predicted falling over the next 24 hours, with an average pressure of

1001.5

today, which is lower than normal.

Weather prediction: Very unsettled, rain

The daily total fluctuation in pressure in Washington, D.C. is

5.1

, with a low of

999.1

and a high of

1004.2

.

Forecast

In Washington, D.C., the barometric pressure fluctuates throughout the year. During the colder months of winter and early spring, the barometric pressure tends to be higher, indicating stable conditions. In the warmer months of summer and fall, the barometric pressure is often lower, indicating the potential for unsettled weather.

The landscape around Washington, D.C. influences the atmospheric pressure in the area. The city is situated on the Atlantic Coastal Plain, which is relatively flat and surrounded by water bodies. This proximity to the Chesapeake Bay and the Atlantic Ocean can affect the atmospheric pressure, as air masses interact with the water and land surfaces. Additionally, the presence of the nearby Blue Ridge Mountains to the west can also influence the pressure patterns by altering the flow of air masses.