Collin County Regional Airport at McKinney Weather Forecast

    • 62
    • 88

    Sunny

    • 66
    • 89

    Sunny

    • 68
    • 90

    Mostly Sunny

    • 71
    • 88

    Mostly Sunny

    • 72
    • 90

    Partly Sunny

    • 70
    • 90

    Chance Rain Showers

Today 9 Oct Collin

Sunny. Highs in the upper 80s. East Winds around 5 Mph.

Tonight 9 Oct Collin

Clear. Lows in the lower 60s. East Winds around 5 Mph.

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Collin County Regional Airport at McKinney Temperature Statistics

October Temperature

McKinney - McKinney National Airport (0 miles)

  • Lowest 7 October, 2026

    57 °F

  • Average October

    72.4 °F

  • Highest 7 October, 2026

    86 °F

Climate (2021–2026)

McKinney - McKinney National Airport (0 miles)

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  • Average Low 2021–2026

    56.7 °F

  • Average 2021–2026

    67.6 °F

  • Average High 2021–2026

    78.6 °F
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