Today | Weather | Wednesday, June 10, 2026

Weather in McKinney, Texas

02:37 PM
Now
Cloudy Weather
90° F
Feels Like 95°
Precipitation 6 %
Wind 16 mph
UV Index (0 - 11+) 6
Humidity 56 %
Today
Cloudy Weather
Day 91°
Night 75°
Precipitation 22 %
Wind 15 mph
UV Index (0 - 11+) 6

McKinney Weather Forecast Updated

22 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (June 10, 2025)
Sunny with a Chance of Thunderstorms

Day

84°

Night

70°

Wind

7 mph

UV Index

12

Precipitation

49 %

Air Quality in McKinney

NOW
25 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.02 µg/m³
PM10 1.38 µg/m³
O3 0.027 ppm
NO2 0.3 ppb
SO2 0.1 ppb
CO 0.09 ppm
NH3 0.35 µg/m³
NO 0.14 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)
PM2.51.02 µg/m³
PM101.38 µg/m³
O352.57 µg/m³
NO20.49 µg/m³
SO20.19 µg/m³
CO98.77 µg/m³
NH30.35 µg/m³
NO0.14 µg/m³