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Barometric Pressure in Alton, United States United States

Pressure

1024.5 hPa

Temperature

19 ℃

Humidity

58%

Wind

3.1 m/s

Last updated

The average pressure in Alton, Illinois, United States today is 1021.6, which is considered normal. Pressure is trending falling.

Weather prediction: Rain at times, very unsettled

The daily total fluctuation in pressure in Alton is 5.3, with a low of 1019.2 and a high of 1024.5.

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Track the barometric pressure in Alton hour by hour across the next 6 hourly readings.

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Alton, Illinois has changing air pressure because of its location near the Mississippi River and Midwest storms. The city's low elevation near the river means air pressure is often higher in winter and lower in summer. In winter, cold air from Canada brings high pressure, making it colder. In summer, warm humid air from the Gulf of Mexico brings low pressure, making it hotter and more humid. Overall, Alton has a humid continental climate, with big temperature and pressure changes between winter and summer.

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Disclaimer

* The barometric pressure information for Alton, 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.
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