Barometric Pressure in Lewiston, United States 
1013 hPa
15.0 ℃
50%
3.0 m/s
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Forecast
Hourly Pressure Trends
Track the barometric pressure in Lewiston hour by hour across the next 6 hourly readings.
Lewiston has varying air pressure due to its location near the Rocky Mountains and the Snake River. Air pressure drops as you go higher in elevation. The city's geography causes air to rise, cool, and sink, changing pressure.
In winter, high pressure brings cold air, while low pressure brings storms. Summer has low pressure, leading to hot and dry conditions. Spring and fall have changing pressure, with warm and cool air mixing.
Lewiston has a humid continental climate with cold winters and warm summers. The climate type causes large pressure changes between seasons. Pressure changes bring different weather, like snow in winter and thunderstorms in summer. The city's unique geography and climate create varied air pressure and weather patterns.