Barometric Pressure in Union City, United States 
1017.9 hPa
23.7 ℃
53%
0.85 m/s
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The average pressure in Union City, Tennessee, United States today is , which is considered normal. Pressure is trending steady.
Weather prediction: Fairly fine, showers likely
Rapid Pressure Changes
Rapid pressure changes detected in Union 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 Union City is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Union City hour by hour across the next 6 hourly readings.
Union City's air pressure changes with weather. Low pressure brings rain and storms, while high pressure brings clear skies.
The city's location near the Mississippi River and in a valley affects air pressure.
Cold air gets trapped in the valley, making winters colder.
Warm air from the river brings milder winters.
Summer air pressure drops with thunderstorms.
Union City has a humid subtropical climate.
Hot summers have high pressure and humidity.
Mild winters have lower pressure.
The city's geography and climate create varying air pressure.
Pressure changes bring different weather.
Rain and storms often move through.
Clear skies and fair weather occur too.