Collin County Regional Airport at McKinney Weather Forecast

    • 55
    • 65

    Rain Showers

    • 52
    • 67

    Slight Chance Thunderstorms

    • 53
    • 72

    Mostly Sunny

    • 60
    • 77

    Mostly Sunny

    • 65
    • 81

    Partly Sunny

    • 68
    • 82

    Chance Thunderstorms

Today 11 May Collin

Showers and Thunderstorms. Highs in the mid 60s. Northeast Winds 10 to 15 Mph. Chance of rain near 100 percent.

Tonight 11 May Collin

Cloudy. Showers and Thunderstorms likely in the Evening, then a chance of Showers and Thunderstorms after midnight. Lows in the mid 50s. Northeast Winds 10 to 15 Mph. Chance of rain 60 percent.

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Collin County Regional Airport at McKinney Temperature Statistics

May Temperature

McKinney - McKinney National Airport (0 miles)

  • Lowest 5 May, 2021

    48 °F
  • Average May

    68.1 °F
  • Highest 3 May, 2021

    88 °F

Climate (2010–Present)

McKinney - McKinney National Airport (0 miles)

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  • Average Low 2010–Present

    54 °F
  • Average 2010–Present

    63.8 °F
  • Average High 2010–Present

    74.1 °F
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