Barometric Pressure in Greer, United States 
1015 hPa
13.4 ℃
77%
2.55 m/s
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The average pressure in Greer, 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 Greer is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Greer hour by hour across the next 6 hourly readings.
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.