Today | Weather | Monday, June 1, 2026

Weather in McAllen, Texas

01:34 PM
Now
Cloudy Weather
93° F
Feels Like 108°
Precipitation 14 %
Wind 9 mph
UV Index (0 - 11+) 9
Humidity 53 %
Today
Sunny with a Chance of Thunderstorms
Day 97°
Night 79°
Precipitation 55 %
Wind 9 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.

McAllen Weather Forecast Updated

37 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (June 1, 2025)
Sunny with a Chance of Thunderstorms

Day

99°

Night

79°

Wind

9 mph

UV Index

12

Precipitation

40 %

Air Quality in McAllen

NOW
17 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.08 µg/m³
PM10 1.89 µg/m³
O3 0.019 ppm
NO2 0.1 ppb
SO2 0 ppb
CO 0.11 ppm
NH3 0.36 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)
PM2.51.08 µg/m³
PM101.89 µg/m³
O336.51 µg/m³
NO20.12 µg/m³
SO20.01 µg/m³
CO125.36 µg/m³
NH30.36 µg/m³
NO0.03 µg/m³