Today | Weather | Tuesday, March 3, 2026

Weather in McAllen, Texas

12:56 PM
Now
Cloudy Weather
88° F
Feels Like 90°
Precipitation 0 %
Wind 20 mph
UV Index (0 - 11+) 6
Humidity 45 %
Today
Cloudy Weather
Day 91°
Night 73°
Precipitation 0 %
Wind 18 mph
UV Index (0 - 11+) 7

McAllen Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 3, 2025)
Cloudy Weather

Day

82°

Night

70°

Wind

17 mph

UV Index

2

Precipitation

25 %

Air Quality in McAllen

NOW
33 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 6.09 µg/m³
PM10 8.27 µg/m³
O3 0.036 ppm
NO2 0.1 ppb
SO2 0.4 ppb
CO 0.10 ppm
NH3 0 µg/m³
NO 0.06 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)
PM2.56.09 µg/m³
PM108.27 µg/m³
O370.29 µg/m³
NO20.28 µg/m³
SO21.09 µg/m³
CO115.17 µg/m³
NH30 µg/m³
NO0.06 µg/m³