McKinney Weather Forecast

    • 80
    • 99

    Hot

    • 76
    • 97

    Rain Showers Likely

    • 74
    • 93

    Chance Thunderstorms

    • 73
    • 91

    Chance Thunderstorms

    • 75
    • 92

    Chance Thunderstorms

    • 77
    • 95

    Mostly Sunny

Today 11 Jul Collin

Sunny. Highs in the upper 90s. South Winds 5 to 10 Mph.

Tonight 11 Jul Collin

Mostly clear. Lows in the upper 70s. South Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

McKinney Temperature Statistics

July Temperature

McKinney - McKinney National Airport (3.1 miles)

  • Lowest 5 July, 2026

    71.7 °F

  • Average July

    85.6 °F

  • Highest 7 July, 2026

    97.6 °F

Climate (2021–2026)

McKinney - McKinney National Airport (3.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    56.5 °F

  • Average 2021–2026

    67.3 °F

  • Average High 2021–2026

    78.3 °F
Get WillyWeather+ to remove ads