Today | Weather | Friday, November 13, 2026

Weather in McKinney, Texas

02:43 PM
Now
Cloudy Weather
68° F
Feels Like 70°
Precipitation 0 %
Wind 7 mph
UV Index (0 - 11+) 2
Humidity 33 %
Today
Sunny Weather
Day 68°
Night 43°
Precipitation 1 %
Wind 8 mph
UV Index (0 - 11+) 4

McKinney Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (November 13, 2025)
Night

Day

81°

Night

61°

Wind

10 mph

Precipitation

0 %

Air Quality in McKinney

NOW
46 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 9.7 µg/m³
PM10 11.17 µg/m³
O3 0.050 ppm
NO2 1 ppb
SO2 1 ppb
CO 0.14 ppm
NH3 1.35 µg/m³
NO 0.32 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)
PM2.5 – 9.7 µg/m³
PM10 – 11.17 µg/m³
O3 – 97.38 µg/m³
NO2 – 1.82 µg/m³
SO2 – 2.73 µg/m³
CO – 163.71 µg/m³
NH3 – 1.35 µg/m³
NO – 0.32 µg/m³