Barometric Pressure in Longmont, United States 
0000 hPa
00.0 ℃
00.0%
00.0 m/s
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The pressure in Longmont, Colorado, United States is predicted falling over the next 24 hours, with an average pressure of today, which is considered normal.
Weather prediction: Rain at times, very unsettled
Rapid Pressure Changes
Rapid pressure changes detected in Longmont - often a sign of approaching weather shifts. Get accurate local time and alerts on our iOS app.
- Rapid Rise - ()
- Rapid Rise - ()
- Rapid Fall - ()
- Rapid Fall - ()
- Rapid Rise - ()
The daily total fluctuation in pressure in Longmont is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Longmont hour by hour and stay informed about how it will change over the next 6 hours.
The barometric pressure in Longmont, Colorado, changes constantly. It is affected by weather systems moving into the area. These systems can bring high or low pressure.
Longmont is situated in a valley near the Rocky Mountains. The mountains to the west influence the weather in the city. Moist air from the west moves into the valley.
This air is pushed upwards by the mountains, causing it to cool and condense. This process leads to precipitation in the form of rain or snow. The surrounding terrain also creates channels for winds to move through.