Today | Weather | Thursday, September 4, 2025

Weather in McAllen, Texas

07:44 PM
Now
Cloudy Night
93° F
Feels Like 95°
Precipitation 0 %
Wind 17 mph
Humidity 48 %
Today
Cloudy Night
Day 104°
Night 79°
Precipitation 1 %
Wind 19

McAllen Weather Forecast Updated

14 minutes ago
Last updated on

Weather Forecast History

Last Year's Weather on This Day (September 4, 2024)

Stormy Weather

Day

90°

Night

77°

Wind

7 mph

UV Index

4

Precipitation

88

Air quality in McAllen

NOW
68 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 13.43 µg/m³
PM10 13.79 µg/m³
O₃ 67.42 ppb
NO₂ 1.95 ppb
SO₂ 0.62 ppb
CO 222.06 ppb
PM2.5 – Fine particles <2.5μm
PM10 – Inhalable particles <10μm
O3 – Ozone
NO2 – Nitrogen dioxide
SO2 – Sulfur dioxide
CO – Carbon monoxide

Health Recommendations:

Air quality is currently in the acceptable range. However, sensitive individuals should be aware of potential risks from certain pollutants.