McKinney Weather Forecast

    • 47
    • 69

    Mostly Sunny

    • 41
    • 64

    Slight Chance Rain Showers

    • 45
    • 68

    Mostly Sunny

    • 52
    • 68

    Chance Rain Showers

    • 55
    • 64

    Rain Showers Likely

    • 57
    • 69

    Chance Thunderstorms

Today 19 Mar Collin

Sunny. Highs in the upper 60s. Southeast Winds 5 to 10 Mph becoming south 10 to 15 Mph in the afternoon.

Tonight 19 Mar Collin

Partly cloudy. Lows in the upper 40s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

McKinney Temperature Statistics

March Temperature

Mc Kinney, Collin County Regional Airport at Mc Kinney (3.1 miles)

  • Lowest 5 March, 2019

    19 °F

  • Average March

    48.4 °F

  • Highest 8 March, 2019

    77 °F

Climate (2010–Present)

Mc Kinney, Collin County Regional Airport at Mc Kinney (3.1 miles)

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  • Average Low 2010–Present

    54.7 °F

  • Average 2010–Present

    64.5 °F

  • Average High 2010–Present

    74.6 °F
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