Barometric Pressure in Birchwood, United States 
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The pressure in Birchwood, Tennessee, United States is predicted to slowly drop over the next few hours, with an average pressure of 982 hPa today, which is lower than normal.
Weather prediction: Expect more wet and unsettled conditions
The daily total fluctuation in pressure in Birchwood is 5.3 hPa, with a low of 979.9 hPa and a high of 985.2 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Birchwood hour by hour and stay informed about how it will change over the next 6 hours.
Birchwood, Tennessee has a humid subtropical climate, which means hot summers and cold winters affect air pressure. High-pressure systems bring good weather, while low-pressure systems bring bad weather.
Mountain ranges surrounding Birchwood block or redirect winds, making air pressure change faster, causing sudden weather changes. Valley shapes also trap cold air, making winters colder.
Summer has higher air pressure, leading to hot and dry weather. In winter, lower air pressure brings cold and rainy weather. Spring and fall have mild pressure changes, making them pleasant seasons.