Barometric Pressure in Haymarket, United States 
1026.3 hPa
9.1 ℃
50%
4.67 m/s
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The average pressure in Haymarket, Virginia, United States today is , which is higher than normal. Pressure is trending rising.
Weather prediction: Fairly fine, possible showers early
Rapid Pressure Changes
Rapid pressure changes detected in Haymarket, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
The daily total fluctuation in pressure in Haymarket is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Haymarket hour by hour across the next 6 hourly readings.
Haymarket's air pressure usually changes with the weather. When high pressure comes in, it's often sunny and calm. Low pressure brings clouds, rain, or snow.
Haymarket sits near mountains and valleys. This geography can trap air, making pressure higher. The area's elevation also affects air pressure.
In winter, high pressure brings cold air. Low pressure brings snow and rain. In summer, low pressure can bring thunderstorms.
Haymarket has a humid subtropical climate. This means air pressure changes a lot with the seasons. Summer is hot and humid with low pressure. Winters are cold with high pressure.