McKinney Weather Forecast

    • 43
    • 65

    Sunny

    • 49
    • 70

    Increasing Clouds

    • 40
    • 66

    Slight Chance Rain Showers

    • 46
    • 64

    Sunny

    • 49
    • 72

    Sunny

    • 52
    • 73

    Sunny

    • 54
    • 78

    Mostly Sunny

Today 30 Oct Collin

Sunny. Highs in the mid 60s. Northwest Winds around 5 Mph.

Tonight 30 Oct Collin

Clear. Lows in the lower 40s. Light and variable Winds.

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McKinney Temperature Statistics

October Temperature

McKinney - McKinney National Airport (3.1 miles)

  • Lowest 22 October, 2025

    45 °F

  • Average October

    72 °F

  • Highest 6 October, 2025

    91 °F

Climate (2020–Present)

McKinney - McKinney National Airport (3.1 miles)

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  • Average Low 2020–2025

    55.9 °F

  • Average 2020–2025

    66.6 °F

  • Average High 2020–2025

    77.5 °F
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