Barometric Pressure in Gaithersburg, United States 
1017.3 hPa
18.4 ℃
91%
1.24 m/s
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The average pressure in Gaithersburg, Maryland, United States today is , which is considered normal. Pressure is trending rising.
Weather prediction: Fairly fine, improving
The daily total fluctuation in pressure in Gaithersburg is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Gaithersburg hour by hour across the next 6 hourly readings.
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.