Barometric Pressure in Waterloo, United States 
1016.8 hPa
12.9 ℃
62%
2.28 m/s
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The average pressure in Waterloo, Iowa, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, very unsettled
The daily total fluctuation in pressure in Waterloo is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Waterloo hour by hour across the next 6 hourly readings.
Weather patterns in Waterloo bring changes in air pressure, rising when high-pressure systems arrive and falling when low-pressure systems come.
Waterloo's elevation, about 850 feet, and flat landscape allow winds to easily bring in different air masses, changing pressure.
In winter, pressure is usually lower, with cold fronts bringing cold air. In summer, pressure is higher, with warm air dominating. Spring and fall are transitional.
Waterloo has a humid continental climate, with large pressure swings causing varying weather and making local forecasts challenging.