Barometric Pressure in Greer, United States 
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The pressure in Greer, South Carolina, United States is predicted to rise over the next few hours, with an average pressure of 977.3 hPa today, which is lower than normal.
Weather prediction: Expect fair, dry, cool weather and a strong breeze
The daily total fluctuation in pressure in Greer is 5.3 hPa, with a low of 973.6 hPa and a high of 978.9 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Greer hour by hour and stay informed about how it will change over the next 6 hours.
Greer's weather has many highs and lows in air pressure due to changing wind patterns from the Atlantic Ocean and Gulf of Mexico.
When winds come from the ocean, air pressure is usually higher, bringing clear skies and gentle breezes.
When winds come from the Gulf, air pressure is lower, bringing rain and thunderstorms.
Greer's location in the foothills of the Blue Ridge Mountains affects air pressure too.
The mountains block some winds, keeping air pressure steady, but also create channels for winds to rush through, making pressure drop quickly.
In winter, cold air from the north brings high pressure, making skies clear and cold.
In summer, warm air from the Gulf brings low pressure, making skies hot and humid.
Greer has a humid subtropical climate, which means big pressure swings between winter and summer.
High pressure in winter keeps the air dry, while low pressure in summer makes the air wet and sticky.