Barometric Pressure in Washington, D.C., United States 
1014.8 hPa
25.6 ℃
25%
4.96 m/s
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The average pressure in Washington, D.C., District of Columbia, United States today is , which is considered normal. Pressure is trending rising.
Weather prediction: Fine, possible showers
Rapid Pressure Changes
Rapid pressure changes detected in Washington, D.C., often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
- Rapid Rise : ()
The daily total fluctuation in pressure in Washington, D.C. is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Washington, D.C. hour by hour across the next 6 hourly readings.
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.