Barometric Pressure in Potomac, Maryland, US

The pressure in Potomac, United States is predicted to steady rise over the next few hours, with an average pressure of 998.9 hPa today, which is lower than normal.

Weather prediction: Continued current weather

The daily total fluctuation in pressure in Potomac is 21.5 hPa, with a low of 985.5 hPa and a high of 1007 hPa. The daily average here is higher than in most cities around the world.

Forecast

Weather patterns in Potomac cause barometric pressure to rise and fall. Changes in pressure bring different weather conditions like rain, sunshine, or storms.

Potomac's high elevation and hilly landscape make atmospheric pressure vary more. The town's position near the Piedmont Plateau also affects pressure changes.

In winter, pressure is usually lower, bringing cold fronts and snow. In summer, pressure is higher, leading to hot and humid weather. Spring and fall pressures are moderate, with mild temperatures.

Potomac has a humid subtropical climate, which means frequent pressure changes and varying weather conditions throughout the year. This leads to an unpredictable and dynamic weather experience.