Barometric Pressure in Portville, New York, US

The pressure in Portville, United States is predicted to slowly drop over the next few hours, with an average pressure of 1021.2 hPa today, which is considered normal.

Weather prediction: Expect more wet and unsettled conditions

The daily total fluctuation in pressure in Portville is 28.5 hPa, with a low of 1005.7 hPa and a high of 1034.2 hPa. The daily average here is higher than in most cities around the world.

Forecast

Weather patterns in Portville cause barometric pressure to rise and fall. When a low-pressure system moves in, pressure drops, and when a high-pressure system arrives, pressure increases.

Portville's elevation, 1,450 feet above sea level, and surrounding hills influence atmospheric pressure. The landscape blocks or redirects air masses, affecting pressure variability.

In winter, pressure is often lower due to cold air masses from Canada. Spring and summer bring higher pressure with warmer air from the Gulf of Mexico. Autumn's mix of air masses creates variable pressure.

Portville has a humid continental climate, which means large pressure fluctuations occur between seasons, affecting the weather and daily life.