Barometric Pressure in Lewistown, United States 
1021.5 hPa
14.2 ℃
71%
0.85 m/s
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The average pressure in Lewistown, Pennsylvania, United States today is , which is higher than normal. Pressure is trending rising.
Weather prediction: Fairly fine, possible showers early
Rapid Pressure Changes
Rapid pressure changes detected in Lewistown, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Rise : ()
The daily total fluctuation in pressure in Lewistown is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Lewistown hour by hour across the next 6 hourly readings.
Lewistown has changing air pressure due to weather patterns. High pressure brings clear skies, while low pressure brings rain or snow.
Lewistown's geography affects air pressure too. It's in a valley, which can trap air and make pressure changes more extreme.
In winter, high pressure brings cold air, while low pressure brings warmer, wetter air. Summer is the opposite: low pressure brings heat and thunderstorms.
Lewistown has a humid continental climate. This means it has big air pressure changes throughout the year, with cold winters and warm summers.