Barometric Pressure in Merrillville, United States 
1019.6 hPa
16.6 ℃
57%
4.51 m/s
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The average pressure in Merrillville, Indiana, United States today is , which is considered normal. Pressure is trending rising.
Weather prediction: Fairly fine, possible showers early
Rapid Pressure Changes
Rapid pressure changes detected in Merrillville, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Rise : ()
The daily total fluctuation in pressure in Merrillville is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Merrillville hour by hour across the next 6 hourly readings.
The barometric pressure in Merrillville, Indiana fluctuates throughout the day. It is influenced by changes in weather patterns and temperature. Pressure changes can cause changes in weather.
Merrillville is surrounded by flat plains to the north and rolling hills to the south. This varied landscape affects the movement of air masses. Air moves freely over the plains, but is disrupted by the hills. As a result, the atmospheric pressure in Merrillville is affected by these geographical features.