Barometric Pressure in Harvard, United States 
0000 hPa
00.0 ℃
00.0 m/s
00.0%
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The pressure in Harvard, Illinois, United States is predicted to rapidly rise over the next few hours, with an average pressure of 979.7 hPa today, which is lower than normal.
Weather prediction: Expect shortly fair weather and gale or storm winds
The daily total fluctuation in pressure in Harvard is 18 hPa, with a low of 969.3 hPa and a high of 987.3 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Harvard hour by hour and stay informed about how it will change over the next 6 hours.
Harvard, Illinois has a humid continental climate, which means big temperature differences between summer and winter.
In summer, warm air rises, making air pressure low. This leads to humid and stormy weather. In winter, cold air sinks, making air pressure high. This brings dry and cold air.
The city's flat geography allows winds to move freely, making air pressure changes more noticeable. Harvard's location in the Midwest also means it's affected by cold Arctic air from Canada and warm air from the Gulf of Mexico.
During winter, Harvard's air pressure is usually high due to cold air dominating. In spring and fall, pressure is more balanced as warm and cold air mix. In summer, pressure is generally low due to warm air rising.