Barometric Pressure in Salem, United States 
1014.1 hPa
13.5 ℃
77%
1.98 m/s
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The average pressure in Salem, Indiana, United States today is , which is considered normal. Pressure is trending rising.
Weather prediction: Fairly fine, improving
The daily total fluctuation in pressure in Salem is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Salem hour by hour across the next 6 hourly readings.
Salem, Indiana has varying air pressure due to changing weather. High pressure brings clear skies, while low pressure brings clouds and rain.
Salem's geography, with hills and valleys, affects air pressure. As air rises over hills, it cools, and pressure drops, sometimes causing storms.
In spring and summer, air pressure drops as warm air rises, bringing thunderstorms. In fall and winter, high pressure dominates, bringing clearer skies.
Salem has a humid continental climate. This means it experiences extreme pressure changes, with cold winters having high pressure and warm summers having low pressure.