Barometric Pressure in Sammamish, United States

• Forecast Chart
• Hourly Trends

The pressure in Sammamish, Washington, United States is predicted to quickly drop over the next few hours, with an average pressure of

1023.6

today, which is higher than normal.

Weather prediction: Expect gale force weather

The daily total fluctuation in pressure in Sammamish is

12.7

, with a low of

1016.2

and a high of

1028.9

.

Forecast

Sammamish has varying air pressure due to its location near Puget Sound and surrounding mountains. Air pressure drops during storms coming from the Pacific Ocean. The city's proximity to water keeps air pressure relatively stable.

Sammamish is situated in a valley, which can trap cold air and make pressure lower in winter. Mountains around the city block or redirect winds, changing air pressure.

In winter, high pressure builds over land, bringing cold and clear weather. Low pressure dominates in spring and fall, leading to rain.

Sammamish has an oceanic climate with mild temperatures and significant rainfall. This climate type results in generally lower air pressure throughout the year. Rainfall and mild temperatures mean stable, but varying air pressure.