McKinney Weather Forecast

    • 51
    • 83

    Sunny

    • 57
    • 84

    Mostly Sunny

    • 61
    • 87

    Partly Sunny

    • 62
    • 90

    Partly Sunny

    • 64
    • 91

    Mostly Sunny

    • 68
    • 91

    Partly Sunny

    • 67
    • 88

    Slight Chance Thunderstorms

Today 22 Sep Collin

Sunny. Highs in the lower 80s. North Winds around 10 Mph.

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  • Temperature Forecast NOAA

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McKinney Temperature Statistics

September Temperature

McKinney - McKinney National Airport (3.1 miles)

  • Lowest 10 September, 2021

    64 °F

  • Average September

    80.2 °F

  • Highest 20 September, 2021

    98.1 °F

Climate (2010–Present)

McKinney - McKinney National Airport (3.1 miles)

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  • Average Low 2010–Present

    55.8 °F

  • Average 2010–Present

    65.4 °F

  • Average High 2010–Present

    75.6 °F
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