Collin County Regional Airport at McKinney Weather Forecast

    • 61
    • 77

    Chance Thunderstorms

    • 58
    • 75

    Rain Showers Likely

    • 61
    • 74

    Rain Showers Likely

    • 64
    • 85

    Partly Sunny

    • 49
    • 83

    Slight Chance Thunderstorms

    • 50
    • 69

    Partly Sunny

Today 26 Mar Collin

Mostly cloudy with a chance of Showers and Thunderstorms this Morning, then partly sunny with a slight chance of Showers and Thunderstorms this afternoon. Cooler with Highs in the mid 70s. East Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 26 Mar Collin

Mostly cloudy. Lows in the lower 60s. Southeast Winds 5 to 10 Mph.

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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

    59.7 °F

  • Highest 13 March, 2025

    85.6 °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

    77.1 °F
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