Barometric Pressure in Williamsport, United States 
1013.8 hPa
17.4 ℃
66%
3.1 m/s
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The average pressure in Williamsport, Pennsylvania, United States today is , which is considered normal. Pressure is trending rising.
Weather prediction: Fine, possible showers
Rapid Pressure Changes
Rapid pressure changes detected in Williamsport, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
- Rapid Rise : ()
The daily total fluctuation in pressure in Williamsport is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Williamsport hour by hour across the next 6 hourly readings.
Weather patterns in Williamsport bring changes in air pressure, making it rise and fall. This affects the weather, causing it to change.
Williamsport's elevation, 526 feet above sea level, and surrounding mountains influence atmospheric pressure. The landscape traps and redirects air, making pressure vary.
In winter, pressure is usually low, bringing cold air and snow. In summer, pressure is high, making it warm and humid. Spring and fall have mixed pressure, resulting in mild weather.
Williamsport has a humid continental climate, with large pressure swings. This means residents experience changing weather, with pressure affecting their daily activities.