Barometric Pressure in Hammond, United States 
1015.2 hPa
23 ℃
89%
1.52 m/s
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The average pressure in Hammond, Louisiana, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, very unsettled
The daily total fluctuation in pressure in Hammond is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Hammond hour by hour across the next 6 hourly readings.
Hammond, Louisiana's barometric pressure is influenced by its location in the southeastern United States. The pressure is affected by the frequent passage of low-pressure systems. These systems bring precipitation and stormy weather to the region. The pressure also fluctuates with the changing seasons.
Hammond is situated in a low-lying area near the Pontchartrain Basin. The surrounding landscape is characterized by swamps, marshes, and lakes. This unique topography allows moisture to accumulate and stagnate. As a result, the atmospheric pressure is often unstable, leading to unpredictable weather patterns. The nearby Mississippi River and Lake Pontchartrain also contribute to the city's humid subtropical climate.