Barometric Pressure in New Orleans, United States 
1015.8 hPa
25.2 ℃
94%
2.34 m/s
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The average pressure in New Orleans, Louisiana, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, very unsettled
Rapid Pressure Changes
Rapid pressure changes detected in New Orleans, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Rise : ()
The daily total fluctuation in pressure in New Orleans is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in New Orleans hour by hour across the next 6 hourly readings.
In New Orleans, the barometric pressure can vary throughout the year due to the different seasons. During the summer months, the barometric pressure tends to be lower, which can contribute to the development of thunderstorms and heavy rainfall. In contrast, during the cooler winter months, the barometric pressure rises, resulting in more stable and drier weather conditions.
The landscape surrounding New Orleans, with its proximity to the Gulf of Mexico and the Mississippi River, plays a significant role in the area's atmospheric pressure. The warm, moist air coming from the Gulf can collide with cooler air masses, leading to the formation of low-pressure systems and the potential for tropical storms and hurricanes. Additionally, the flat, low-lying terrain of the region influences the atmospheric pressure patterns, making it more susceptible to sea-level rise and increased risks of storm surge during extreme weather events.