Barometric Pressure in John Day, United States 
0000 hPa
00.0 ℃
00.0%
00.0 m/s
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The pressure in John Day, Oregon, United States is predicted rising over the next 24 hours, with an average pressure of today, which is considered normal.
Weather prediction: Fairly fine, improving
Rapid Pressure Changes
Rapid pressure changes detected in John Day - often a sign of approaching weather shifts. Get accurate local time and alerts on our iOS app.
- Rapid Rise - ()
- Rapid Fall - ()
- Rapid Rise - ()
- Rapid Rise - ()
- Rapid Rise - ()
The daily total fluctuation in pressure in John Day is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in John Day hour by hour and stay informed about how it will change over the next 6 hours.
The weather in John Day, Oregon, changes often because of its location in a valley. This causes the barometric pressure to rise and fall frequently. These changes can bring different types of weather.
John Day's high elevation and surrounding mountains affect the atmospheric pressure. The valley traps air, making pressure rise. The mountains block or redirect winds, causing pressure to drop.
In winter, the pressure is usually low, bringing rain and snow. In summer, the pressure is higher, making the weather drier and warmer. Spring and fall have mixed pressure patterns, with both rain and sun.
John Day has a semi-arid climate, which means it is dry with little humidity. This leads to big changes in barometric pressure, making the weather unpredictable and changing often.