Barometric Pressure in Grayson, United States 
0000 hPa
00.0 ℃
00.0 m/s
00.0%
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The pressure in Grayson, Kentucky, United States is predicted to quickly drop over the next few hours, with an average pressure of today, which is lower than normal.
Weather prediction: Expect gale force weather
The daily total fluctuation in pressure in Grayson is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Grayson hour by hour and stay informed about how it will change over the next 6 hours.
Grayson's air pressure changes with the weather. When high pressure comes, it's usually sunny and calm. Low pressure brings clouds, rain, and sometimes storms.
Grayson is in a valley, which affects air pressure. Cold air gets trapped, making pressure lower in winter. Warm air rises, making pressure higher in summer.
In spring and summer, high pressure dominates, bringing warm and sunny days. Autumn and winter see low pressure, with more rain and snow.
Grayson has a humid continental climate. This means big changes in air pressure happen throughout the year. Summers are hot and humid, while winters are cold.