Barometric Pressure in Washington, Pennsylvania, US

The pressure in Washington, United States is predicted to slowly drop over the next few hours, with an average pressure of 984.7 hPa today, which is lower than normal.

Weather prediction: Expect more wet and unsettled conditions

The daily total fluctuation in pressure in Washington is 9.1 hPa, with a low of 979 hPa and a high of 988.1 hPa. The daily average here is lower than in most cities around the world.

Forecast

Washington, Pennsylvania gets high pressure from the southwest during summer, making it hot and humid, while low pressure from the northeast brings cold air in winter.

Washington's valley location traps cold air in winter, making it colder, and hot air in summer, making it hotter.

In winter, cold air from Canada brings low pressure, resulting in snow and freezing temperatures, while warm air from the Gulf of Mexico brings high pressure in summer, causing heatwaves.

Washington has a humid continental climate, with high pressure in summer and low pressure in winter, resulting in distinct seasonal weather patterns.