Barometric Pressure in Johnstown, Pennsylvania, US

The pressure in Johnstown, United States is predicted to slowly drop over the next few hours, with an average pressure of 977.3 hPa today, which is lower than normal.

Weather prediction: Expect more wet and unsettled conditions

The daily total fluctuation in pressure in Johnstown is 6 hPa, with a low of 974.2 hPa and a high of 980.2 hPa. The daily average here is lower than in most cities around the world.

Forecast

The barometric pressure in Johnstown, Pennsylvania varies throughout the day and night. It changes with the weather patterns that move into the area. This pressure can rise or fall rapidly, causing changes in the weather.

Johnstown is situated in a valley surrounded by mountains. The city's landscape affects the atmospheric pressure. The mountains block or redirect air masses, causing pressure changes. This unique geography contributes to Johnstown's unpredictable weather.

The surrounding mountains also create channels for air to flow through. This can lead to rapid changes in temperature and precipitation. Weather patterns from different directions meet in Johnstown, resulting in varied weather conditions. The city's location makes it prone to sudden weather shifts.