Barometric Pressure in Charleston, United States 
1018.3 hPa
22.8 ℃
95%
1.06 m/s
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The average pressure in Charleston, South Carolina, 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 Charleston is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Charleston hour by hour across the next 6 hourly readings.
The barometric pressure in Charleston, South Carolina fluctuates throughout the year. It rises and falls with the changing seasons and weather patterns. These fluctuations can bring different types of weather to the city.
Charleston is situated near the Atlantic Ocean and surrounded by marshes and wetlands. The ocean's proximity and the low-lying terrain influence the atmospheric pressure. The city's landscape also creates a microclimate that shapes the local weather.
The ocean's warmth and moisture contribute to the development of storms and hurricanes. These storms can bring heavy rainfall and strong winds to Charleston. The surrounding wetlands and marshes can also trap warm air, leading to hot and humid summers.
The city's unique landscape and proximity to the ocean make it prone to weather extremes. From intense storms to sweltering heat, Charleston's weather is shaped by its surroundings.