Barometric Pressure in Jermyn, Pennsylvania, US
0000 hPa
00.0 ℃
00.0 m/s
00.0%
Get Alerts 🚨. Sign up to receive alerts when the barometric pressure changes significantly.
The pressure in Jermyn, United States 
is predicted to slowly drop over the next few hours, with an average pressure of 974.7 hPa today, which is lower than normal.
Weather prediction: Expect more wet and unsettled conditions
The daily total fluctuation in pressure in Jermyn is 15.2 hPa, with a low of 968.9 hPa and a high of 984.1 hPa. The daily average here is lower than in most cities around the world.
Forecast
The barometric pressure in Jermyn, Pennsylvania averages 30.12 inches. This is slightly above the national average. Pressure changes slowly throughout the year.
Jermyn is located in a valley. The surrounding mountains are not very high. They still have an impact on the atmospheric pressure. The mountains cause air to move upwards.
As air rises, it cools and expands. This lowers the atmospheric pressure. In the winter, cold air is dense and heavy. It sinks to the valley floor.
This cold air increases the atmospheric pressure in Jermyn. In the summer, warm air is light and rises. This decreases the atmospheric pressure. The valley landscape affects the pressure.