Barometric Pressure in Portsmouth, United States 
0000 hPa
00.0 ℃
00.0 m/s
00.0%
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The pressure in Portsmouth, Virginia, United States is predicted to rapidly rise over the next few hours, with an average pressure of 1025.3 hPa today, which is higher than normal.
Weather prediction: Expect shortly fair weather and gale or storm winds
The daily total fluctuation in pressure in Portsmouth is 5.8 hPa, with a low of 1022.6 hPa and a high of 1028.4 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Portsmouth hour by hour and stay informed about how it will change over the next 6 hours.
The barometric pressure in Portsmouth, Virginia, is influenced by its coastal location. It often fluctuates due to the proximity to the Atlantic Ocean. Changes in pressure can bring varying weather conditions.
Portsmouth is situated near the mouth of the Chesapeake Bay. The city's landscape is characterized by low-lying coastal plains. These flatlands allow winds to move freely, contributing to the instability of the atmospheric pressure.
The surrounding waters of the Atlantic Ocean and the Chesapeake Bay moderate temperatures in Portsmouth. They help regulate the air pressure, making it prone to slight changes. This unique combination of land and sea influences the weather patterns in the city.