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Barometric Pressure in Winchester, Illinois, US


0000 hPa
00.00 inHg


00.0 ℃
0.00 ℉


00.0 m/s
00.0 mph


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The pressure in Winchester, United States United States is predicted to quickly rise over the next few hours, with an average pressure of 1017.9 hPa today, which is considered normal.


Weather prediction: Expect more dry and cold weather and a strong breeze to gale winds

The daily total fluctuation in pressure in Winchester is 3.5 hPa, with a low of 1016.2 hPa and a high of 1019.7 hPa. The daily average here is higher than in most cities around the world.



The barometric pressure in Winchester, Illinois is typically around 30 inches of mercury. This is slightly above the national average. Pressure changes slowly over the year. In winter, it is lowest, around 29.8 inches. In summer, it is highest, around 30.1 inches.

Barometric pressure

Winchester is located in the Midwestern United States. The city is surrounded by rolling hills and flat plains. To the west are the Missouri Coteau hills. These hills do not block weather systems from moving into the area. Weather fronts from the west can easily reach Winchester. As a result, pressure changes often.

The flat plains to the east allow cold Arctic air to move in. This cold air can drop the barometric pressure. Warm air from the Gulf of Mexico can also move in from the south. This warm air can raise the pressure. The combination of these air masses affects the barometric pressure in Winchester.


* The barometric pressure information for Winchester, Illinois, United States on this page is for educational purposes only. We are not responsible for its accuracy or reliability. This information is not medical advice. Consult a health professional for medical concerns and do not rely on this site for medical decisions.