0000 hPa
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The pressure in Gaithersburg, United States is predicted to slowly rise over the next few hours, with an average pressure of 1019.3 hPa today, which is considered normal.
Weather prediction: Expect more fair, dry, cool weather
The daily total fluctuation in pressure in Gaithersburg is 10.5 hPa, with a low of 1014.5 hPa and a high of 1025 hPa. The daily average here is higher than in most cities around the world.
Gaithersburg's weather patterns bring changes in air pressure, making it rise and fall. When lows come, pressure drops, and when highs come, pressure rises.
Gaithersburg's elevation, about 500 feet above sea level, affects air pressure. The surrounding hills and valleys also influence pressure changes.
In winter, pressure is usually lower due to cold air. In summer, pressure is higher because of warm air. Spring and fall have more variable pressure.
Gaithersburg has a humid subtropical climate, which means big pressure swings and changing weather that can feel unpredictable and exciting.