Barometric Pressure in Sarnia, Ontario, CA

The pressure in Sarnia, Canada is predicted to drop over the next few hours, with an average pressure of 1002.5 hPa today, which is lower than normal.

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

The daily total fluctuation in pressure in Sarnia is 11.2 hPa, with a low of 996.5 hPa and a high of 1007.7 hPa. The daily average here is higher than in most cities around the world.

Forecast

Weather patterns in Sarnia bring changes in air pressure, with low-pressure systems bringing rain and high-pressure systems bringing fair weather.

Sarnia's low elevation near Lake Huron and flat landscape allow air masses to move freely, causing pressure changes and varied weather.

In winter, high pressure dominates, bringing cold air, while in summer, low pressure brings warm air and instability.

Sarnia has a humid continental climate, with large pressure fluctuations causing varying weather conditions, making it important to check forecasts for outdoor plans.