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Barometric Pressure in Helena, Montana, US


0000 hPa
00.00 inHg


00.0 ℃
0.00 ℉


00.0 m/s
00.0 mph


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The pressure in Helena, United States United States is predicted to rapidly rise over the next few hours, with an average pressure of 1011.4 hPa today, which is considered normal.


Weather prediction: Expect shortly fair weather and gale or storm winds

The daily total fluctuation in pressure in Helena is 7.3 hPa, with a low of 1007.4 hPa and a high of 1014.7 hPa. The daily average here is lower than in most cities around the world.



Helena, Montana's average barometric pressure is around 30.12 inches. This is slightly lower than the national average. The pressure varies slightly throughout the year.

Barometric pressure

The city is surrounded by mountains to the north and east. These mountains can block or redirect air masses. This affects the atmospheric pressure in Helena. The Prickly Pear Valley lies to the west, allowing air to move freely.

The valley's open terrain contributes to Helena's unique weather patterns. Weather systems can move quickly through the valley. This leads to frequent changes in the barometric pressure. As a result, Helena's weather can be quite unpredictable.


* The barometric pressure information for Helena, Montana, United States on this page is for educational purposes only. We are not responsible for its accuracy or reliability. This information is not medical advice. Consult a health professional for medical concerns and do not rely on this site for medical decisions.