Barometric Pressure in Bluffton, United States 
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The pressure in Bluffton, South Carolina, United States is predicted to slowly drop over the next few hours, with an average pressure of 1018.7 hPa today, which is considered normal.
Weather prediction: Expect more wet and unsettled conditions
The daily total fluctuation in pressure in Bluffton is 6.1 hPa, with a low of 1015.3 hPa and a high of 1021.4 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Bluffton hour by hour and stay informed about how it will change over the next 6 hours.
Bluffton's barometric pressure is affected by its coastal location. The city experiences a slight drop in pressure during the summer months. This is due to the warming of the ocean water. As the water warms, it expands and rises, causing the air pressure to decrease.
Bluffton is situated near the May River and surrounded by marshlands. The Atlantic Ocean is just a few miles east. The city's low-lying terrain allows moisture-laden air from the ocean to move inland. The surrounding wetlands and waterways influence the weather patterns.
The terrain and waterways cause the air to be more unstable. This can lead to thunderstorms and heavy rainfall during the summer. In the winter, cold fronts from the north bring dry air, causing a slight increase in pressure.