Barometric Pressure in Gresham, United States 
1013 hPa
15.0 ℃
50%
3.0 m/s
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Forecast
Hourly Pressure Trends
Track the barometric pressure in Gresham hour by hour across the next 6 hourly readings.
Gresham's air pressure usually drops when it's rainy or stormy. High pressure brings clear skies. Mountains nearby can block winds, changing air pressure.
Gresham's location near the Columbia River Gorge and mountains affects air pressure. Moist air from the Pacific Ocean rises, cools, and creates rain.
In winter, low air pressure brings rain and snow. Summer has high pressure, making it warm and dry. Spring and fall have changing pressure, bringing varied weather.
Gresham has an oceanic climate with mild temperatures. Air pressure changes are moderate, without extreme highs or lows, making the weather fairly stable.