Barometric Pressure in Johnson City, United States 
1020.7 hPa
26.8 ℃
24%
3.93 m/s
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The average pressure in Johnson City, Tennessee, United States today is , which is considered normal. Pressure is trending rising.
Weather prediction: Fairly fine, possible showers early
Rapid Pressure Changes
Rapid pressure changes detected in Johnson City, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
The daily total fluctuation in pressure in Johnson City is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Johnson City hour by hour across the next 6 hourly readings.
Weather patterns in Johnson City often bring rapid changes in barometric pressure, causing shifts in wind direction and speed. Pressure changes can lead to storms, precipitation, or fair weather.
As a valley city, Johnson City's elevation and surrounding mountains influence atmospheric pressure, causing it to fluctuate more than in coastal areas. Mountains block or redirect air masses, affecting pressure.
In winter, pressure is often lower, bringing cold fronts and snow. Spring and fall have more moderate pressure, leading to mild weather. Summer has higher pressure, resulting in hot and humid conditions.
Johnson City has a humid subtropical climate, which means pressure fluctuations can bring sudden changes in weather, making it essential to check forecasts regularly to stay prepared.