Barometric Pressure in Williamsburg, United States 
1018.9 hPa
21.8 ℃
90%
0.91 m/s
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The average pressure in Williamsburg, Virginia, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Rain at times, worse later
The daily total fluctuation in pressure in Williamsburg is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Williamsburg hour by hour across the next 6 hourly readings.
Williamsburg's weather has high pressure in the winter and low pressure in the summer, which affects the air.
The city's location near the Atlantic Ocean and the Chesapeake Bay makes the air pressure change a lot.
In winter, high pressure brings cold, dry air and clear skies. In summer, low pressure brings hot, humid air and storms.
Williamsburg has a humid subtropical climate, which means it has hot summers and mild winters, with big changes in air pressure.