Barometric Pressure in Cornwall, United States

• Forecast Chart
• Hourly Trends

The pressure in Cornwall, Pennsylvania, United States is predicted to slowly rise over the next few hours, with an average pressure of

998.7

today, which is lower than normal.

Weather prediction: Expect more fair, dry, cool weather

The daily total fluctuation in pressure in Cornwall is

4.2

, with a low of

996.5

and a high of

1000.7

.

Forecast

Cornwall, Pennsylvania has changing air pressure due to its location near mountains and the Atlantic Ocean. Mountains block and redirect winds, affecting air pressure. In winter, cold air from Canada brings low pressure and cooler temperatures. In summer, warm air from the Atlantic Ocean brings high pressure and warmer temperatures. Cornwall has a humid continental climate, meaning it has big temperature differences between seasons, which affects air pressure.