Today | Weather | Sunday, January 4, 2026

Weather in Brownsville, Texas

09:33 AM
Now
Cloudy Weather
70° F
Feels Like 72°
Precipitation 0 %
Wind 8 mph
UV Index (0 - 11+) 3
Humidity 76 %
Today
Cloudy Weather
Day 81°
Night 63°
Precipitation 1 %
Wind 8 mph
UV Index (0 - 11+) 4

Brownsville Weather Forecast Updated

26 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (January 4, 2025)
Rainy Weather

Day

81°

Night

72°

Wind

14 mph

UV Index

4

Precipitation

49 %

Air Quality in Brownsville

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

Pollutant Concentrations:

PM2.5 14.58 µg/m³
PM10 23.94 µg/m³
O3 0.035 ppm
NO2 1.2 ppb
SO2 0.5 ppb
CO 0.16 ppm
NH3 0.42 µg/m³
NO 0.39 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.514.58 µg/m³
PM1023.94 µg/m³
O368.9 µg/m³
NO22.27 µg/m³
SO21.44 µg/m³
CO185.99 µg/m³
NH30.42 µg/m³
NO0.39 µg/m³