Buenos Aires Barometric Pressure Today

Friday, August 21, 2026

Current Barometric Pressure

0.00 inHg
1026.0 mbar
High Pressure
Updated 3 hours ago
Weather Cloudy
Temperature 46°F
Humidity 59%
Wind 9.2 mph S

What High Pressure Means

  • Weather: Clear skies and stable weather
  • Health: Minimal impact on health conditions
  • Activities: Excellent for outdoor activities

-34.6118°N, 58.396°W • Elevation: 25 ft

3-Day Barometric Pressure Forecast

Today Aug 21
30.25 inHg
High
↑ 30.35 ↓ 30.08
Saturday Aug 22
30.28 inHg
High
↑ 30.35 ↓ 30.20
Sunday Aug 23
30.32 inHg
High
↑ 30.38 ↓ 30.25

Today's Pressure Trend

Understanding Barometric Pressure Levels

Current reading: 30.30 inHg - High Pressure

Very High
30.7 - 32 inHg
High
30.2 - 30.69 inHg
Normal
29.8 - 30.19 inHg
Low
29 - 29.79 inHg
Very Low
28 - 28.99 inHg
Extreme Low
27 - 27.99 inHg
30.30 inHg

Barometric Pressure in Cities Near Buenos Aires

Compare pressure readings in cities within 300km radius

La Plata

AR 53 km away
30.28 inHg
High
-0.02 inHg

Montevideo

UY 206 km away
30.21 inHg
High
-0.09 inHg

Rosario

AR 279 km away
30.31 inHg
High
Same as Buenos Aires

Barometric Pressure in Buenos Aires, AR - Complete Guide

The current barometric pressure in Buenos Aires is 30.30 inches of mercury (inHg), equivalent to 1,026 millibars. This high pressure reading was recorded at 1:53 PM UTC on August 21, 2026, providing you with real-time atmospheric conditions for Buenos Aires.

What is Barometric Pressure?

Barometric pressure, also known as atmospheric pressure, is the weight of the air column above us. It's measured in inches of mercury (inHg) or millibars (mb). In Buenos Aires, normal pressure typically ranges from 29.80 to 30.20 inHg (1,009 to 1,023 mb). Today's reading of 30.30 inHg indicates high pressure conditions.

How Barometric Pressure Affects Buenos Aires

🌤️ Weather Patterns

High pressure systems typically bring clear skies and stable weather to Buenos Aires. Expect sunny conditions and minimal precipitation.

🏥 Health Impacts

Barometric pressure changes can affect human health. High pressure generally causes fewer health issues and may help those with arthritis feel better. People with migraines, arthritis, or other weather-sensitive conditions often notice these changes.

🎣 Outdoor Activities

Barometric pressure influences fish behavior and outdoor conditions. High pressure can make fish less active but provides great conditions for hiking and outdoor sports.

Historical Context for Buenos Aires

Buenos Aires experiences seasonal pressure variations throughout the year. Winter months typically see more dramatic pressure changes due to storm systems moving through the region. Summer patterns tend to be more stable with less extreme pressure variations. The city's location at -34.6118°N latitude influences these seasonal patterns.

Elevation and Atmospheric Pressure

At Buenos Aires's elevation of 25 feet above sea level, atmospheric pressure is slightly different than at sea level. For every 1,000 feet of elevation, atmospheric pressure decreases by approximately 1 inHg. All readings displayed are adjusted for local elevation to provide accurate, location-specific data.

Barometric Pressure Measurement

Barometric pressure is measured using a barometer, which can be either mercury-based or digital. The standard measurement is in inches of mercury (inHg), though millibars (mb) are also common. Standard sea level pressure is 29.92 inHg or 1,013.25 mb. Our data for Buenos Aires comes from professional weather stations and is updated every 15 minutes for accuracy.

Planning Your Day in Buenos Aires

With today's pressure reading of 30.30 inHg, Buenos Aires residents can expect clear skies and stable weather. This makes it excellent for outdoor activities. For those sensitive to pressure changes, today's conditions suggest minimal impact on health conditions.

Frequently Asked Questions

What is normal barometric pressure in Buenos Aires?

Normal barometric pressure in Buenos Aires typically ranges between 29.80 and 30.20 inHg (1,009 to 1,023 mb). Current conditions show high pressure at 30.30 inHg, which is outside the normal range.

How often is the pressure data updated?

Barometric pressure data for Buenos Aires updates every 15 minutes from professional weather stations. This ensures you always have the most current atmospheric readings for planning your activities and understanding current conditions.

How does pressure affect the weather in Buenos Aires?

Barometric pressure is a key indicator of weather changes. High pressure (above 30.20 inHg) typically brings stable, clear weather with minimal precipitation to Buenos Aires.

Why does barometric pressure change?

Barometric pressure changes due to the movement of air masses, weather systems, and temperature variations. High pressure systems bring sinking air and clear weather, while low pressure systems involve rising air and often bring clouds and precipitation. These systems constantly move across Buenos Aires, causing pressure fluctuations.

Can barometric pressure affect my health?

Yes, many people are sensitive to barometric pressure changes. Common effects include headaches, joint pain, sinus pressure, and changes in mood. Those with arthritis, migraines, or other chronic conditions may notice symptoms worsen with rapid pressure changes. Today's high pressure may affect sensitive individuals.

What's the difference between inHg and millibars?

Both measure atmospheric pressure but use different scales. Inches of mercury (inHg) is commonly used in the United States, while millibars (mb) are used internationally. Today's Buenos Aires reading of 30.30 inHg equals 1,026 mb. Standard sea level pressure is 29.92 inHg or 1,013.25 mb.