Barometric Pressure in Washington, United States 
1021.2 hPa
19.6 ℃
36%
3.88 m/s
Get Alerts 🚨. Sign up to receive alerts when the barometric pressure changes significantly.
The average pressure in Washington, Pennsylvania, United States today is , which is considered normal. Pressure is trending falling.
Weather prediction: Occasional rain, worsening
Rapid Pressure Changes
Rapid pressure changes detected in Washington, often a sign of approaching weather shifts. See the forecast chart or get pressure alerts.
- Rapid Rise : ()
The daily total fluctuation in pressure in Washington is , with a low of and a high of .
Forecast
Hourly Pressure Trends
Track the barometric pressure in Washington hour by hour across the next 6 hourly readings.
Washington, Pennsylvania gets high pressure from the southwest during summer, making it hot and humid, while low pressure from the northeast brings cold air in winter.
Washington's valley location traps cold air in winter, making it colder, and hot air in summer, making it hotter.
In winter, cold air from Canada brings low pressure, resulting in snow and freezing temperatures, while warm air from the Gulf of Mexico brings high pressure in summer, causing heatwaves.
Washington has a humid continental climate, with high pressure in summer and low pressure in winter, resulting in distinct seasonal weather patterns.