Barometric Pressure in Decatur, United States 
Pressure
1013 hPa
Temperature
15.0 ℃
Humidity
50%
Wind
3.0 m/s
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Forecast
Hourly Pressure Trends
Track the barometric pressure in Decatur hour by hour across the next 6 hourly readings.
Decatur's air pressure changes with weather patterns. High pressure brings clear skies and low pressure brings rain and storms.
Decatur's geography, being in a valley, affects air pressure. Cold air gets trapped, making pressure lower in winter.
In summer, high pressure dominates, bringing warm and sunny days. Autumn and spring have changing pressure, leading to unpredictable weather.
Decatur has a humid continental climate. This means it experiences big pressure changes between seasons. Summers are warm and humid, while winters are cold.