Today | Weather | Saturday, May 16, 2026

Weather in Brownsville, Texas

12:12 AM
Now
Cloudy Night
77° F
Feels Like 79°
Precipitation 0 %
Wind 12 mph
Humidity 78 %
Today
Cloudy Weather
Day 91°
Night 81°
Precipitation 4 %
Wind 16 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Brownsville Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (May 16, 2025)
Cloudy Weather

Day

97°

Night

79°

Wind

19 mph

UV Index

12

Precipitation

2 %

Air Quality in Brownsville

NOW
28 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.27 µg/m³
PM10 8.91 µg/m³
O3 0.031 ppm
NO2 0.1 ppb
SO2 0 ppb
CO 0.10 ppm
NH3 1.3 µg/m³
NO 0 µg/m³
PM2.5 – 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)
PM2.53.27 µg/m³
PM108.91 µg/m³
O360.42 µg/m³
NO20.25 µg/m³
SO20.12 µg/m³
CO115.25 µg/m³
NH31.3 µg/m³
NO0 µg/m³