Barometric Pressure in Portsmouth, Ohio, US

The pressure in Portsmouth, United States is predicted to slowly drop over the next few hours, with an average pressure of 1010.6 hPa today, which is considered normal.

Weather prediction: Expect more wet and unsettled conditions

The daily total fluctuation in pressure in Portsmouth is 10.2 hPa, with a low of 1004.8 hPa and a high of 1015 hPa. The daily average here is higher than in most cities around the world.

Forecast

Weather patterns in Portsmouth bring changes in barometric pressure, which can rise or fall when high or low-pressure systems move in. Pressure changes can be sudden or gradual.

Portsmouth's elevation, 547 feet above sea level, and surrounding hills affect atmospheric pressure, making it more variable than in coastal areas. The landscape can funnel winds, adding to pressure fluctuations.

In summer, pressure is usually lower, leading to hot and humid weather, while in winter, higher pressure brings colder air. Spring and fall bring more pressure changes, leading to mixed weather.

Portsmouth has a humid continental climate, with large pressure fluctuations throughout the year, making the weather unpredictable and changing quickly.