Barometric Pressure
Barometric Pressure in Mercer Island, United States 
0000 hPa
00.0 ℃
00.0 m/s
00.0%
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The pressure in Mercer Island, Washington, United States is predicted to slowly drop over the next few hours, with an average pressure of 1001.7 hPa today, which is lower than normal.
Weather prediction: Expect more wet and unsettled conditions
The daily total fluctuation in pressure in Mercer Island is 2 hPa, with a low of 1000.9 hPa and a high of 1002.9 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Mercer Island hour by hour and stay informed about how it will change over the next 6 hours.
Mercer Island has mild winters and cool summers. Its location near Lake Washington and Puget Sound affects air pressure, making it more stable. The island's hilly geography blocks winds, reducing pressure changes. In winter, low pressure brings rain, while high pressure in summer brings sunshine. Mercer Island has a mild oceanic climate, meaning pressure changes are small, leading to gentle weather.