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Barometric Pressure in Ellicott City, Maryland, US


0000 hPa
00.00 inHg


00.0 ℃
0.00 ℉


00.0 m/s
00.0 mph


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The pressure in Ellicott City, United States United States is predicted to slowly rise over the next few hours, with an average pressure of 1017.3 hPa today, which is considered normal.


Weather prediction: Expect more fair, dry, cool weather

The daily total fluctuation in pressure in Ellicott City is 5.3 hPa, with a low of 1013.9 hPa and a high of 1019.2 hPa. The daily average here is higher than in most cities around the world.



Ellicott City's barometric pressure is typically around 30.12 inches of mercury. This is slightly above the national average. It occasionally drops to 29 inches during storms.

Barometric pressure

Ellicott City is nestled in the Patapsco River Valley. This valley surrounds the city on three sides. The surrounding hills and mountains can trap cold air. This can cause pressure to drop.

To the east, the city is bordered by the Chesapeake Bay. The bay's warm air can increase pressure. The clash of cold and warm air masses affects pressure.

Weather patterns from the Atlantic Ocean also influence Ellicott City's pressure. These patterns bring moisture from the Atlantic. They move westward over the city, causing changes in pressure.


* The barometric pressure information for Ellicott City, Maryland, United States on this page is for educational purposes only. We are not responsible for its accuracy or reliability. This information is not medical advice. Consult a health professional for medical concerns and do not rely on this site for medical decisions.