Today | Weather | Sunday, December 14, 2025

Weather in McKinney, Texas

07:14 AM
Now
Cloudy Night
28° F
Feels Like 12°
Precipitation 0 %
Wind 16 mph
Humidity 73 %
Today
Cloudy Weather
Day 43°
Night 27°
Precipitation 1 %
Wind 15 mph
UV Index (0 - 11+) 3

McKinney Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (December 14, 2024)
Cloudy Night

Day

72°

Night

45°

Wind

2 mph

Precipitation

25 %

Air Quality in McKinney

NOW
26 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 6.15 µg/m³
PM10 7.27 µg/m³
O3 0.023 ppm
NO2 2.8 ppb
SO2 0.4 ppb
CO 0.17 ppm
NH3 0.53 µg/m³
NO 0 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)
PM2.56.15 µg/m³
PM107.27 µg/m³
O345.44 µg/m³
NO25.21 µg/m³
SO21.08 µg/m³
CO189.55 µg/m³
NH30.53 µg/m³
NO0 µg/m³