McKinney Weather Forecast

    • 67
    • 85

    Rain Showers Likely

    • 70
    • 87

    Chance Thunderstorms

    • 70
    • 88

    Rain Showers

    • 60
    • 82

    Slight Chance Thunderstorms

    • 61
    • 80

    Partly Sunny

    • 65
    • 82

    Mostly Cloudy

Today 19 Jul Lincoln

Partly sunny. Slight chance of Thunderstorms late in the Morning, then chance of Thunderstorms in the afternoon. Highs in the mid 80s. Northwest Winds up to 5 Mph. Chance of Thunderstorms 50 percent.

Tonight 19 Jul Lincoln

Partly cloudy. A 40 percent chance of Thunderstorms early in the evening. Patchy fog late in the night. Lows in the upper 60s. Northwest Winds up to 5 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

McKinney Temperature Statistics

July Temperature

Stuart Powell Field Airport (8.1 miles)

  • Lowest 14 July, 2026

    66.2 °F

  • Average July

    77.3 °F

  • Highest 1 July, 2026

    95 °F

Climate (2021–2026)

Stuart Powell Field Airport (8.1 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    56.1 °F

  • Average High 2021–2026

    67 °F
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