Barometric Pressure in Washington, United States 
0000 hPa
00.0 ℃
00.0 m/s
00.0%
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The pressure in Washington, Washington, D.C., United States is predicted to rise over the next few hours, with an average pressure of 1008.6 hPa today, which is lower than normal.
Weather prediction: Expect fair, dry, cool weather and a strong breeze
The daily total fluctuation in pressure in Washington is 4.3 hPa, with a low of 1006.8 hPa and a high of 1011.1 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Washington hour by hour and stay informed about how it will change over the next 6 hours.
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.