Barometric Pressure Forecast for Bothell, Washington
Bothell follows the Sammamish River near the north end of Lake Washington, where the barometric pressure forecast reflects Pacific systems moving into the Puget Sound region.
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Pressure and weather in Bothell
The wetter half of the year brings Bothell repeated frontal passages and intervening high-pressure breaks. Local river-valley fog can persist during quieter periods, while a new ocean low can alter the regional pressure trend before significant rain reaches town.
What this means for you
If Bothell's gray mornings seem linked with headaches, record both foggy stable days and stormy changing days. That comparison lets you examine the pressure association without using cloud cover as a substitute for an actual reading.