Barometric Pressure in Smithfield, United States 
1020.3 hPa
17 ℃
95%
2.51 m/s
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The average pressure in Smithfield, North 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 Smithfield is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Smithfield hour by hour across the next 6 hourly readings.
Weather patterns in Smithfield cause barometric pressure to rise and fall. High pressure systems bring clear skies, while low pressure systems bring rain and storms.
Smithfield's 150-foot elevation and surrounding hills block winds, making atmospheric pressure more stable. The Neuse River valley nearby also influences pressure changes.
In winter, high pressure brings cold air, while low pressure brings warm air. In summer, high pressure brings heat, while low pressure brings rain. Spring and fall see more variable pressure.
Smithfield has a humid subtropical climate, with mild winters and hot, humid summers. This mix of weather patterns causes barometric pressure to fluctuate, making the weather feel changeable and unpredictable.