Today | Weather | Monday, November 3, 2025

Weather in McKinney, Texas

10:33 AM

Now

70° F

Feels Like 70°

Precipitation 0 %

Wind 12 mph

UV Index (0 - 11+) 4

Humidity 46 %

Today

Day 77°

Night 50°

Precipitation 0 %

Wind 10 mph

UV Index (0 - 11+) 4

McKinney Weather Forecast Updated

54 minutes ago

Last updated on November 03, 2025 9:39 AM

Weather Forecast History

Last Year's Weather on This Day (November 3, 2024)

Day

79°

Night

70°

Wind

16 mph

Precipitation

Air Quality in McKinney

NOW

41 AQI

Good air quality Dominant pollutant: PM_2.5

Pollutant Concentrations:

PM_2.5 9.8 µg/m³

PM₁₀ 11.69 µg/m³

O₃ 0.043 ppm

NO₂ 1.3 ppb

SO₂ 0.6 ppb

CO 0.13 ppm

NH₃ 1.21 µg/m³

NO 0.57 µg/m³

PM_2.5 – 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)

PM_2.5 – 9.8 µg/m³

PM₁₀ – 11.69 µg/m³

O₃ – 83.75 µg/m³

NO₂ – 2.4 µg/m³

SO₂ – 1.64 µg/m³

CO – 151.68 µg/m³

NH₃ – 1.21 µg/m³

NO – 0.57 µg/m³

View Hourly Air Quality Forecast