Barometric Pressure in Hillsboro, United States 
1024.9 hPa
15.1 ℃
81%
2.48 m/s
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The average pressure in Hillsboro, Oregon, United States today is , which is higher than normal. Pressure is trending falling.
Weather prediction: Rain at times, worse later
The daily total fluctuation in pressure in Hillsboro is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Hillsboro hour by hour across the next 6 hourly readings.
Weather patterns in Hillsboro cause barometric pressure to rise and fall. High pressure brings clear skies, low pressure brings rain. Changes in pressure affect the weather forecast.
Hillsboro's 160-foot elevation above sea level and surrounding hills influence atmospheric pressure. The Coast Range to the west and the Tualatin River Valley create local wind patterns that impact pressure variability.
In winter, pressure is usually low, bringing rain and cloudy skies. In summer, high pressure dominates, resulting in clear skies and warm temperatures. Spring and fall have mixed pressure patterns.
Hillsboro has a mild oceanic climate, characterized by mild temperatures and rainfall throughout the year. This leads to moderate barometric pressure fluctuations, making it comfortable for outdoor activities.