Today | Weather | Thursday, September 4, 2025

Weather in Brownsville, Texas

11:03 AM
Now
Sunny WeatherSunny weather, clear skies and sunny weather.
91° F
Feels Like 108°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 11
Humidity 60 %
Today
Cloudy WeatherCloudy weather, overcast skies with clouds.
Day 99°
Night 79°
Precipitation 25 %
Wind 8 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.

Other:

Mostly bright and clear and hot; caution advised if outside for extended periods of time.

Brownsville Weather Forecast Updated

Last updated on

Weather Forecast History

Last Year's Weather on This Day (September 4, 2024)

Stormy WeatherStormy weather, thunderstorms.

Day

86°

Night

79°

Wind

4 mph

UV Index

8

Precipitation

97

Air quality in Brownsville

NOW
53 AQI
Moderate air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 12.05 µg/m³
PM10 25.07 µg/m³
O₃ 30.18 ppb
NO₂ 7.88 ppb
SO₂ 0.63 ppb
CO 287.50 ppb
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.