Barometric Pressure in Junction, United States 
0000 hPa
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The pressure in Junction, Texas, United States is predicted to rapidly rise over the next few hours, with an average pressure of 948.4 hPa today, which is lower than normal.
Weather prediction: Expect shortly fair weather and gale or storm winds
The daily total fluctuation in pressure in Junction is 6 hPa, with a low of 945.6 hPa and a high of 951.6 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Junction hour by hour and stay informed about how it will change over the next 6 hours.
Weather patterns in Junction bring changes in barometric pressure. Pressure rises when high-pressure systems move in and falls when low-pressure systems arrive. Pressure changes also occur when fronts pass through.
Junction's elevation of 1,700 feet above sea level and its location in a valley influence atmospheric pressure. The surrounding hills and Llano River valley can trap air, causing pressure to fluctuate. Mountains to the west can block or redirect air masses, affecting pressure.
In winter, Junction's pressure is usually higher due to cold fronts from Canada. In summer, pressure is lower due to warm air from the Gulf of Mexico. In spring and fall, pressure fluctuates as different air masses meet.
Junction has a humid subtropical climate. This means pressure fluctuates more than in dry climates, making the weather more unpredictable and varying from day to day.