Barometric Pressure
Barometric Pressure in Troy, United States 
0000 hPa
00.0 ℃
00.0%
00.0 m/s
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The pressure in Troy, Illinois, United States is predicted rising over the next 24 hours, with an average pressure of today, which is lower than normal.
Weather prediction: Fine, becoming less settled
Rapid Pressure Changes
Rapid pressure changes detected in Troy - often a sign of approaching weather shifts. Get accurate local time and alerts on our iOS app.
- Rapid Rise - ()
- Rapid Rise - ()
The daily total fluctuation in pressure in Troy is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Troy hour by hour and stay informed about how it will change over the next 6 hours.
Troy's air pressure changes with weather. Low pressure brings rain and clouds, while high pressure brings clear skies. The city's location near the Mississippi River affects air pressure. Troy's elevation, about 560 feet above sea level, also impacts pressure. In spring, low pressure dominates, bringing rain and storms. Summer high pressure brings warm and sunny days. Autumn's pressure mix brings changing leaves and cooler air. Winters have low pressure, cold air, and sometimes snow. Troy has a humid continental climate. This climate type means big pressure changes between seasons, bringing varied weather. Pressure changes cause weather shifts. Troy's air pressure ranges from around 30.5 to 29.5 inches.