Barometric Pressure in Dayton, United States 
1025.1 hPa
13.7 ℃
73%
1.14 m/s
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The average pressure in Dayton, Tennessee, United States today is , which is higher than normal. Pressure is trending falling.
Weather prediction: Rain at times, very unsettled
The daily total fluctuation in pressure in Dayton is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Dayton hour by hour across the next 6 hourly readings.
Dayton, Tennessee has a humid subtropical climate, which means summers are hot and humid, while winters are mild. The Appalachian Mountains surrounding Dayton affect air pressure, making it harder for storms to move in. During summer, high pressure systems dominate, bringing hot air from the Gulf of Mexico, leading to humid weather. In winter, low-pressure systems bring cold air from Canada, causing cooler temperatures.