Barometric Pressure in Bay City, United States 
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The pressure in Bay City, Michigan, United States is predicted to drop over the next few hours, with an average pressure of 986.4 hPa today, which is lower than normal.
Weather prediction: Expect wet, unsettled weather and a strong breeze
The daily total fluctuation in pressure in Bay City is 10.3 hPa, with a low of 980.6 hPa and a high of 990.9 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Bay City hour by hour and stay informed about how it will change over the next 6 hours.
The weather in Bay City has changing air pressure that goes up and down. This change affects the weather, making it sunny or rainy.
Bay City's low elevation near Lake Huron and the Saginaw Bay makes air pressure rise and fall quickly. The flat landscape around the city also helps air move easily.
In winter, air pressure is usually higher, bringing cold and dry air. In summer, pressure is lower, bringing warm and humid air. Spring and fall have changing pressure, making the weather unpredictable.
Bay City has a humid continental climate, which means big temperature differences between seasons. This climate causes big changes in air pressure, making the weather interesting to watch.