Barometric Pressure in Seattle Hill-Silver Firs, United States 
1015 hPa
7.2 ℃
81%
2.46 m/s
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The average pressure in Seattle Hill-Silver Firs, Washington, United States today is , which is considered normal. Pressure is trending steady.
Weather prediction: Fairly fine, showers likely
The daily total fluctuation in pressure in Seattle Hill-Silver Firs is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Seattle Hill-Silver Firs hour by hour across the next 6 hourly readings.
The barometric pressure in Seattle Hill-Silver Firs, Washington is influenced by its proximity to the Pacific Ocean. This means that the pressure is often lower than in inland areas. Low-pressure systems from the ocean bring cloudy and rainy weather to the region. As a result, the pressure can fluctuate frequently.
The city is surrounded by mountains to the west and east. The Olympic Mountains to the west block moisture from the Pacific Ocean. This creates an orographic effect, where air is forced to rise, cool, and condense, resulting in precipitation. The Cascade Range to the east also contributes to the unique weather patterns. Its elevation and proximity to the city affect the flow of air and the resulting pressure.
The unique combination of oceanic and mountainous influences creates a complex weather pattern in Seattle Hill-Silver Firs. The pressure is constantly changing, responding to the shifting winds and moisture from the ocean. This leads to an unpredictable weather forecast, with clouds, rain, and occasional sunshine.