Barometric Pressure in Romeoville, United States 
1017.5 hPa
9.8 ℃
78%
1.25 m/s
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The average pressure in Romeoville, Illinois, United States today is , which is considered normal. Pressure is trending rising.
Weather prediction: Fine, possible showers
Rapid Pressure Changes
Rapid pressure changes detected in Romeoville, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Rise : ()
- Rapid Rise : ()
The daily total fluctuation in pressure in Romeoville is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Romeoville hour by hour across the next 6 hourly readings.
Romeoville's weather patterns, like cold fronts and warm fronts, make the air pressure go up and down. This affects the weather we experience.
The village is near Lake Michigan, which helps control air pressure. The lake's warmth or coolness influences the air pressure in Romeoville.
In winter, cold air from Canada brings low air pressure and cold weather. In summer, warm air from the Gulf of Mexico brings high air pressure and hot weather.
Romeoville has a humid continental climate, which means it has big temperature differences between winter and summer. This leads to big changes in air pressure throughout the year.