Barometric Pressure in Washington, United States 
0000 hPa
00.0 ℃
00.0 m/s
00.0%
Get Alerts 🚨. Sign up to receive alerts when the barometric pressure changes significantly.
The pressure in Washington, District of Columbia, United States is predicted to drop over the next few hours, with an average pressure of 1017 hPa today, which is considered normal.
Weather prediction: Expect wet, unsettled weather and a strong breeze
The daily total fluctuation in pressure in Washington is 3.5 hPa, with a low of 1015 hPa and a high of 1018.5 hPa.
Forecast
Hourly Pressure Trends
Track the barometric pressure in Washington hour by hour and stay informed about how it will change over the next 6 hours.
Washington, D.C. has changing air pressure due to its location near the Atlantic Ocean. Ocean winds bring moisture, making air pressure rise, often with cloudy skies. Mountains to the west block some winds, making pressure drop, leading to clearer skies.
In summer, warm air from the ocean makes pressure rise, causing hot and humid weather. In winter, cold air from the north brings low pressure, making it cold and sometimes snowy. Spring and fall have gentle pressure changes, with mild temperatures.
Washington, D.C. has a humid subtropical climate, which means it has big temperature differences between summer and winter. This climate type causes big pressure changes, leading to varying weather patterns throughout the year.