Barometric Pressure in Ann Arbor, Michigan, US

The pressure in Ann Arbor, United States is predicted to drop over the next few hours, with an average pressure of 992.2 hPa today, which is lower than normal.

Weather prediction: Expect wet, unsettled weather and a strong breeze

The daily total fluctuation in pressure in Ann Arbor is 11 hPa, with a low of 986.4 hPa and a high of 997.4 hPa. The daily average here is higher than in most cities around the world.

Forecast

The barometric pressure in Ann Arbor is influenced by the mix of continental and lake air masses. It changes frequently due to the clash of these air masses. This clash causes pressure to fluctuate throughout the day. The pressure is often higher in the morning and lower in the afternoon.

Ann Arbor is surrounded by flat plains to the west and rolling hills to the east. The city is about 40 miles northwest of Lake Erie. The lake's proximity affects the local climate. The surrounding landscape allows cold air from Canada to move southward.

The landscape also enables warm air from the Gulf of Mexico to move northward. This clash of cold and warm air masses affects the atmospheric pressure. As a result, Ann Arbor's weather is characterized by frequent changes in pressure.