Barometric Pressure in Juneau, Alaska, US

The pressure in Juneau, United States is predicted to quickly drop over the next few hours, with an average pressure of 1002.6 hPa today, which is lower than normal.

Weather prediction: Expect gale force weather

The daily total fluctuation in pressure in Juneau is 10.7 hPa, with a low of 995.3 hPa and a high of 1006 hPa. The daily average here is higher than in most cities around the world.

Forecast

The barometric pressure in Juneau varies throughout the year. High pressure systems bring clear skies and fair weather. Low pressure systems bring clouds and precipitation.

Juneau is surrounded by mountains and water. The Coast Mountains to the west and the Juneau Icefield to the north block air from the interior. The Gastineau Channel to the south and east brings moist air from the Pacific Ocean. This unique landscape affects the atmosphere, creating a rain shadow effect. The mountains force air to rise, cool, and condense, resulting in precipitation.