Barometric Pressure in Petersburg, United States

• Forecast Chart
• Hourly Trends

The pressure in Petersburg, Virginia, United States is predicted to slowly drop over the next few hours, with an average pressure of

1001.2

today, which is lower than normal.

Weather prediction: Expect more wet and unsettled conditions

The daily total fluctuation in pressure in Petersburg is

11.9

, with a low of

997.3

and a high of

1009.2

.

Forecast

Petersburg has humid subtropical weather. Air pressure changes here are linked to weather patterns. High pressure brings clear skies, while low pressure brings rain and storms.

The city's geography, near the James River and at a low elevation, affects air pressure. Moist air from the river often brings high humidity and lower pressure.

In summer, high pressure dominates, bringing heat and humidity. In winter, low pressure systems bring cold fronts and snow.

Seasonal changes impact pressure. Spring and fall have more stable pressure, with mild temperatures.

Petersburg's climate type means it experiences extreme pressure changes. This leads to varied weather, including hot summers and mild winters.