Barometric Pressure in Washington, United States 
0000 hPa
00.0 ℃
00.0%
00.0 m/s
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The pressure in Washington, Washington, D.C., United States is predicted falling over the next 24 hours, with an average pressure of today, which is considered normal.
Weather prediction: Rain at frequent intervals
The daily total fluctuation in pressure in Washington is , with a low of and a high of .
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.
Upcoming Days
Stay informed about the barometric pressure trends in Washington for the upcoming days, including daily minimum and maximum readings.
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.