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Barometric Pressure in Puerto Rico

We monitor barometric pressure across 5 cities in Puerto Rico, giving you up-to-date insights into local weather patterns.

Flag of Puerto Rico

Whether you're tracking pressure changes for health reasons, planning outdoor activities, or planning a fishing trip, our data is tailored to conditions in Puerto Rico, with detailed readings city by city.

Puerto Rico Barometric Pressure Map

Depending on how many places we monitor in Puerto Rico, the map displays a sampled set of barometric pressure data to give a clear overview of current conditions.

Here you can see which cities experienced the biggest and smallest changes in barometric pressure today. This helps highlight areas with the most stable or unstable weather patterns.

Most volatile

Least volatile

How is it calculated?

Our volatility “beta” number is generated by an algorithm that analyzes hourly barometric pressure changes. It looks at how much the pressure fluctuates from hour to hour. A beta of 0 means no change, perfectly stable pressure. The higher the decimal value, the more variation there has been throughout the day or over a longer period.

Weather Systems

Weather systems like trade winds, tropical storms, and hurricanes often influence air pressure in Puerto Rico. Trade winds from the east bring steady high pressure. Hurricanes or storms drop the pressure quickly, leading to heavy rain and strong winds.

Geography

Mountains in Puerto Rico change how air moves and where pressure changes happen. Air presses harder on the north and east coasts. In the central mountains, air rises, lowering pressure. Valleys and low areas also affect where pressure is slightly higher or lower.

Seasonal Cycles

During winter, high pressure from the north brings cooler, drier air. In summer, lower pressure allows for warmer air and more rain. The pressure usually drops before storms and hurricanes, then rises again after they leave.

Climate Change

Climate change can cause pressure patterns to shift. Stronger and more frequent storms may create more drops in air pressure. Warming temperatures might affect the trade winds, leading to new pressure patterns over time.

Places in Puerto Rico

You can find your city in the lists below, by using our search, or on the Puerto Rico Pressure Map above. We're tracking barometric pressure across multiple locations in Puerto Rico to keep you informed.

Each city includes a pressure status showing whether it's currently high, normal or low, along with two volatility values: one for today and one for the full period, usually 14 days. These help you see how much the pressure is changing over time.

Other

Aguadilla

Arecibo

Añasco

Mayagüez

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