Barometric Pressure in Rock Hill, United States 
1017.7 hPa
20.9 ℃
87%
1.17 m/s
Get Alerts 🚨. Sign up to receive alerts when the barometric pressure changes significantly.
The average pressure in Rock Hill, South Carolina, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, worse later
The daily total fluctuation in pressure in Rock Hill is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Rock Hill hour by hour across the next 6 hourly readings.
Rock Hill's weather is influenced by its location in the southeastern United States, where warm air from the Gulf of Mexico meets cool air from Canada.
This clash of air masses causes changes in air pressure, bringing different types of weather.
Rock Hill's geography, with its hills and nearby mountains, can trap or redirect air masses, affecting air pressure and weather patterns.
In winter, cold air from Canada brings low pressure, causing rain and cold temperatures.
In summer, warm air from the Gulf brings high pressure, bringing hot and humid weather.
Spring and fall bring mild temperatures and moderate pressure, with gentle breezes.
Rock Hill has a humid subtropical climate, characterized by hot summers and mild winters, with pressure changes driving these seasonal weather patterns.