0000 hPa
00.00 inHg
00.0 ℃
0.00 ℉
00.0 m/s
00.0 mph
00.0%
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The pressure in John Day, United States is predicted to rise over the next few hours, with an average pressure of 1017 hPa today, which is considered normal.
Weather prediction: Expect fair, dry, cool weather and a strong breeze
The daily total fluctuation in pressure in John Day is 8.2 hPa, with a low of 1011.2 hPa and a high of 1019.4 hPa. The daily average here is higher than in most cities around the world.
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.