Barometric Pressure in Williamsport, United States 
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The pressure in Williamsport, Pennsylvania, United States is predicted to slowly drop over the next few hours, with an average pressure of 992.3 hPa today, which is lower than normal.
Weather prediction: Expect more wet and unsettled conditions
The daily total fluctuation in pressure in Williamsport is 4 hPa, with a low of 990 hPa and a high of 994 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Williamsport hour by hour and stay informed about how it will change over the next 6 hours.
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.