Today | Weather | Tuesday, February 24, 2026

Weather in McAllen, Texas

03:48 PM
Now
Cloudy Weather
81° F
Feels Like 77°
Precipitation 0 %
Wind 18 mph
UV Index (0 - 11+) 2
Humidity 34 %
Today
Cloudy Weather
Day 81°
Night 61°
Precipitation 1 %
Wind 15 mph
UV Index (0 - 11+) 5

McAllen Weather Forecast Updated

53 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 24, 2025)
Sunny Weather

Day

79°

Night

52°

Wind

2 mph

UV Index

6

Precipitation

1 %

Air Quality in McAllen

NOW
54 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 5.02 µg/m³
PM10 9.83 µg/m³
O3 0.055 ppm
NO2 0.2 ppb
SO2 0.5 ppb
CO 0.11 ppm
NH3 0.15 µg/m³
NO 0.04 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)
PM2.55.02 µg/m³
PM109.83 µg/m³
O3108.47 µg/m³
NO20.3 µg/m³
SO21.25 µg/m³
CO129.94 µg/m³
NH30.15 µg/m³
NO0.04 µg/m³