Barometric Pressure in Castlegar, British Columbia, CA

The pressure in Castlegar, Canada is predicted to slowly drop over the next few hours, with an average pressure of 964.7 hPa today, which is lower than normal.

Weather prediction: Expect more wet and unsettled conditions

The daily total fluctuation in pressure in Castlegar is 7.5 hPa, with a low of 961.1 hPa and a high of 968.6 hPa. The daily average here is lower than in most cities around the world.

Forecast

The barometric pressure in Castlegar, British Columbia, Canada averages 1013 millibars throughout the year. September and October have the highest pressure, around 1015 millibars. Winter months have lower pressure, averaging 1009 millibars.

Castlegar is surrounded by mountains to the west and the Columbia River to the east. The city is in a valley. The surrounding mountains block air masses from the Pacific Ocean.

This blockage affects the atmospheric pressure in Castlegar. The pressure is influenced by the air from the east, which is drier and colder. The mountains also create a rain shadow effect.