Collin County Regional Airport at McKinney Weather Forecast

    • 60
    • 85

    Mostly Cloudy

    • 52
    • 78

    Blowing Dust

    • 43
    • 71

    Partly Sunny

    • 46
    • 69

    Sunny

    • 55
    • 79

    Partly Sunny

    • 56
    • 81

    Partly Sunny

    • 42
    • 73

    Mostly Sunny

Today 13 Mar Collin

Partly sunny. Highs in the mid 80s. South Winds 5 to 10 Mph.

Tonight 13 Mar Collin

Mostly cloudy. Not as cool with Lows in the lower 60s. South Winds 5 to 10 Mph, increasing to 10 to 20 Mph after midnight.

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Collin County Regional Airport at McKinney Temperature Statistics

March Temperature

McKinney - McKinney National Airport (0 miles)

  • Lowest 10 March, 2025

    33.1 °F

  • Average March

    56.5 °F

  • Highest 7 March, 2025

    80.7 °F

Climate (2020–Present)

McKinney - McKinney National Airport (0 miles)

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  • Average Low 2020–2025

    55.6 °F

  • Average 2020–2025

    66.2 °F

  • Average High 2020–2025

    77 °F
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