Today | Weather | Thursday, February 5, 2026

Weather in McKinney, Texas

07:37 PM
Now
Cloudy Night
61° F
Feels Like 57°
Precipitation 0 %
Wind 7 mph
Humidity 34 %
Today
Night
Day 70°
Night 39°
Precipitation 0 %
Wind 6 mph

McKinney Weather Forecast Updated

8 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (February 5, 2025)
Cloudy Weather

Day

73°

Night

64°

Wind

16 mph

UV Index

2

Precipitation

25 %

Air Quality in McKinney

NOW
43 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.4 µg/m³
PM10 3.66 µg/m³
O3 0.046 ppm
NO2 1.9 ppb
SO2 0.1 ppb
CO 0.14 ppm
NH3 1.53 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)
PM2.52.4 µg/m³
PM103.66 µg/m³
O390.99 µg/m³
NO23.62 µg/m³
SO20.26 µg/m³
CO157.47 µg/m³
NH31.53 µg/m³
NO0 µg/m³