Today | Weather | Wednesday, March 25, 2026

Weather in Brownsville, Texas

01:26 PM
Now
Cloudy Weather
84° F
Feels Like 88°
Precipitation 0 %
Wind 18 mph
UV Index (0 - 11+) 9
Humidity 49 %
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

5 minutes ago
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
37 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.84 µg/m³
PM10 14.41 µg/m³
O3 0.040 ppm
NO2 0.1 ppb
SO2 0.2 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)
PM2.55.84 µg/m³
PM1014.41 µg/m³
O377.78 µg/m³
NO20.16 µg/m³
SO20.55 µg/m³
CO113.93 µg/m³
NH30.08 µg/m³
NO0.03 µg/m³