Today | Weather | Monday, August 24, 2026

Active Weather Warnings

Special Weather Statement

Weather in Brownsville, Texas

03:16 PM

Now

100° F

Feels Like 104°

Precipitation 0 %

Wind 14 mph

UV Index (0 - 11+) 7

Humidity 36 %

Today

Day 100°

Night 79°

Precipitation 2 %

Wind 10 mph

UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Brownsville Weather Forecast Updated

16 minutes ago

Last updated on August 24, 2026 at 2:59 PM

Weather Forecast History

Last Year's Weather on This Day (August 24, 2025)

Day

91°

Night

77°

Wind

7 mph

UV Index

Precipitation

96 %

Air Quality in Brownsville

NOW

24 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 1.43 µg/m³

PM₁₀ 2.46 µg/m³

O₃ 0.026 ppm

NO₂ 0.1 ppb

SO₂ 0.1 ppb

CO 0.08 ppm

NH₃ 0.17 µg/m³

NO 0.03 µg/m³

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

NH₃ – Ammonia

NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 1.43 µg/m³

PM₁₀ – 2.46 µg/m³

O₃ – 50.56 µg/m³

NO₂ – 0.15 µg/m³

SO₂ – 0.26 µg/m³

CO – 86.27 µg/m³

NH₃ – 0.17 µg/m³

NO – 0.03 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Brownsville

Moderate Expected Observed

Special Weather Statement

Special Weather Statement issued August 24 at 4:25AM CDT by NWS Brownsville TX

Aug 24, 4:25 AM → Aug 24, 7:00 PM

The combination of hot temperatures and humidity levels will
produce heat index values between 105 and 110 degrees for several
hours this afternoon into this evening. A few locations may
briefly experience heat index values at or above 111 degrees.

If spending time outside, drink plenty of water, wear light
weight and light colored clothing, and take frequent breaks from
the heat. Young children and pets should never be left unattended
in vehicles.

Updated: Aug 24, 2:59 PM Source: NWS Alert