Barometric Pressure in Spanaway, United States 
1013 hPa
15.0 ℃
50%
3.0 m/s
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Forecast
Hourly Pressure Trends
Track the barometric pressure in Spanaway hour by hour across the next 6 hourly readings.
Spanaway has mild weather with air pressure changing slightly throughout the year. Air pressure usually drops when it's stormy and rises when it's calm.
Spanaway's geography, near Puget Sound and surrounded by mountains, affects air pressure. Moist air from the sound and mountains forces air to rise, cool, and condense, creating varying pressure.
In winter, low-pressure systems bring rain and mild temperatures. In summer, high pressure dominates, bringing clear skies and warm temperatures.
Spanaway has an oceanic climate, with moderate temperatures and rainfall throughout the year. This climate type leads to stable air pressure, with minimal extreme fluctuations.