Barometric Pressure in Washington, United States 
0000 hPa
00.0 ℃
00.0 m/s
00.0%
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The pressure in Washington, Missouri, United States is predicted to slowly rise over the next few hours, with an average pressure of 999.9 hPa today, which is lower than normal.
Weather prediction: Expect more fair, dry, cool weather
The daily total fluctuation in pressure in Washington is 2.4 hPa, with a low of 998.6 hPa and a high of 1001 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Washington hour by hour and stay informed about how it will change over the next 6 hours.
Washington, Missouri's air pressure is affected by its location in the Midwest. The city experiences changing weather patterns, which impact air pressure.
Washington's geography, being near the Missouri River, affects air pressure. The river valley traps warm air, making pressure lower near the river. Hills surrounding the city make pressure higher.
In spring, warm air moves in, causing pressure to drop, and leading to thunderstorms. Summer brings high pressure, making it hot and humid. In fall, pressure drops again, bringing cooler air. Winter's cold air makes pressure higher, causing cold snaps.
Washington has a humid continental climate. This type of climate brings big temperature changes, affecting air pressure. The combination of warm summers and cold winters creates large pressure differences throughout the year.