Barometric Pressure in Columbia, United States 
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The pressure in Columbia, Tennessee, United States is predicted to slowly drop over the next few hours, with an average pressure of 994.6 hPa today, which is lower than normal.
Weather prediction: Expect more wet and unsettled conditions
The daily total fluctuation in pressure in Columbia is 4.4 hPa, with a low of 991.8 hPa and a high of 996.2 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Columbia hour by hour and stay informed about how it will change over the next 6 hours.
Columbia, Tennessee has changing air pressure due to weather patterns. High-pressure systems bring good weather, while low-pressure systems bring bad weather.
The town's geography, being in a valley, traps air making the pressure rise and fall more slowly. This causes weather systems to linger, making the weather more unpredictable.
In spring and fall, pressure changes bring mild temperatures and occasional storms. Summer's high pressure brings hot and humid weather, while winter's low pressure brings cold and wet weather.
Columbia has a humid subtropical climate. This means it gets hot in the summer and cold in the winter. The pressure changes in this climate type cause big temperature differences between seasons.