Barometric Pressure in Grayslake, United States 
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The pressure in Grayslake, Illinois, United States is predicted to slowly drop over the next few hours, with an average pressure of 982.8 hPa today, which is lower than normal.
Weather prediction: Expect more wet and unsettled conditions
The daily total fluctuation in pressure in Grayslake is 7.5 hPa, with a low of 979.2 hPa and a high of 986.7 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Grayslake hour by hour and stay informed about how it will change over the next 6 hours.
Grayslake's weather is affected by its location near Lake Michigan, which brings humid air that increases air pressure in the summer and decreases it in the winter.
Grayslake's flat geography allows winds to move easily, making air pressure changes more noticeable and influencing the weather.
In the summer, air pressure is high, resulting in warm and humid weather with occasional thunderstorms.
In the winter, low air pressure brings cold and snowy weather, while spring and fall have mild temperatures with changing air pressure.
Grayslake has a humid continental climate, which means large temperature and air pressure differences between seasons, leading to varied weather patterns.