Today | Weather | Wednesday, March 25, 2026

Weather in Brownsville, Texas

02:38 PM
Now
Cloudy Weather
88° F
Feels Like 88°
Precipitation 0 %
Wind 20 mph
UV Index (0 - 11+) 6
Humidity 44 %
Today
Cloudy Weather
Day 88°
Night 70°
Precipitation 1 %
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 (March 25, 2025)
Cloudy Weather

Day

90°

Night

73°

Wind

9 mph

UV Index

8

Precipitation

25 %

Air Quality in Brownsville

NOW
36 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 4.82 µg/m³
PM10 11.2 µg/m³
O3 0.039 ppm
NO2 0.1 ppb
SO2 0.1 ppb
CO 0.10 ppm
NH3 0.08 µg/m³
NO 0.03 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)
PM2.54.82 µg/m³
PM1011.2 µg/m³
O376.15 µg/m³
NO20.14 µg/m³
SO20.34 µg/m³
CO114.19 µg/m³
NH30.08 µg/m³
NO0.03 µg/m³