Barometric Pressure in Cumming, United States 
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The pressure in Cumming, Georgia, United States is predicted to slowly rise over the next few hours, with an average pressure of 977.6 hPa today, which is lower than normal.
Weather prediction: Expect more fair, dry, cool weather
The daily total fluctuation in pressure in Cumming is 3.3 hPa, with a low of 975.6 hPa and a high of 978.9 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Cumming hour by hour and stay informed about how it will change over the next 6 hours.
The weather in Cumming, Georgia, changes air pressure when storms or fronts move in. Pressure drops before a storm and rises after it passes.
Cumming's 1,100-foot elevation and surrounding mountains can trap air, making pressure changes more dramatic. The nearby Chattahoochee River can also affect air movement and pressure.
In winter, pressure is usually low, bringing cold air and rain. Spring and fall have more variable pressure, causing mixtures of warm and cool air. Summer pressure is usually high, making it hot and humid.
Cumming has a humid subtropical climate, which means big pressure swings and changing weather. This makes the weather feel more extreme and unpredictable.