Barometric Pressure in Louisville, United States 
1014.4 hPa
22.5 ℃
74%
4.4 m/s
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The average pressure in Louisville, Kentucky, United States today is , which is considered normal. Pressure is trending rising.
Weather prediction: Fairly fine, possible showers early
The daily total fluctuation in pressure in Louisville is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Louisville hour by hour across the next 6 hourly readings.
The barometric pressure in Louisville, Kentucky is influenced by the city's location in the Ohio Valley. This region is prone to changes in air pressure due to its proximity to the collision of cold Canadian air and warm Gulf of Mexico air. These air masses clash, resulting in fluctuating pressure systems.
Louisville's surrounding landscape plays a significant role in shaping the weather. The city is situated in a valley surrounded by hills and mountains. This topography can trap and channel airflow, affecting the pressure. The Ohio River, which runs along the city's edge, also has an impact, as it can influence moisture levels and pressure patterns.
The nearby mountains to the east and south can block or redirect air masses, contributing to pressure changes. This combination of geography and location makes Louisville's weather patterns complex and locally influenced.