Barometric Pressure in Issaquah, United States 
1018.7 hPa
10.6 ℃
75%
0.42 m/s
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The average pressure in Issaquah, Washington, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, worse later
Rapid Pressure Changes
Rapid pressure changes detected in Issaquah, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Fall : ()
The daily total fluctuation in pressure in Issaquah is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Issaquah hour by hour across the next 6 hourly readings.
The barometric pressure in Issaquah varies throughout the year. It changes with the weather patterns. Shifts in pressure bring different types of weather. Low pressure often brings rain and clouds. High pressure usually clears the skies.
Issaquah is surrounded by mountains to the east and west. The Cascade Range is to the east. The Olympic Mountains are to the west. These mountains affect the air flow. They force air to rise, cool, and condense. This creates clouds and precipitation.
The landscape also includes Lake Washington. It is a large body of water. The lake moderates the temperature. It keeps the city cooler in the summer and warmer in the winter. The lake's influence also reduces extreme weather conditions.