Today | Weather | Tuesday, July 29, 2025

Heat Advisory (Issued when high temperatures and humidity create conditions that may be hazardous during outdoor activity or prolonged exposure.) Air Quality Alert (Issued when air pollution levels are unhealthy, especially for sensitive groups.)

McKinney, Texas. 04:15 AM

Now

77° F

Feels Like 81°

Precipitation 0 %

Wind 6 mph

Humidity 76 %

Today

Day 100°

Night 75°

Precipitation 1 %

Wind 7 mph

UV Index (0 - 11+) 11

Warning: Extreme UV Index Today: 11

Overexposure to the sun's harmful UV rays can cause sunburn and increase the risk of developing skin cancer, including melanoma. Protect yourself by wearing clothing that covers your skin, sunglasses, and a hat. Apply a broad-spectrum sunscreen with an SPF of 30 or higher every two hours, even on cloudy days. Minimize direct sun exposure during peak hours (10 AM to 4 PM) to reduce the risk.

Other:

Sunshine and very warm with slight changes.

McKinney Weather Forecast Updated

Weather Forecast History

Last Year's Weather on This Day (July 29, 2024)

Day

99°

Night

77°