McKinney Weather Forecast

    • 74
    • 88

    Slight Chance Thunderstorms

    • 74
    • 90

    Chance Rain Showers

    • 75
    • 93

    Slight Chance Thunderstorms

    • 75
    • 95

    Slight Chance Thunderstorms

    • 77
    • 96

    Slight Chance Thunderstorms

    • 77
    • 98

    Hot

    • 77
    • 99

    Hot

Today 5 Jul Collin

Partly sunny with a 30 percent chance of Showers and Thunderstorms. Highs in the upper 80s. South Winds around 10 Mph.

Tonight 5 Jul Collin

Partly cloudy. Humid with Lows in the mid 70s. South Winds 5 to 10 Mph.

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McKinney Temperature Statistics

July Temperature

McKinney - McKinney National Airport (3.1 miles)

  • Lowest 1 July, 2025

    73 °F

  • Average July

    80.8 °F

  • Highest 2 July, 2025

    90 °F

Climate (2020–Present)

McKinney - McKinney National Airport (3.1 miles)

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  • Average Low 2020–2025

    55.7 °F

  • Average 2020–2025

    66.3 °F

  • Average High 2020–2025

    77.2 °F
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