Stoney Hollow Weather Forecast

    • 73
    • 96

    Chance Thunderstorms

    • 73
    • 95

    Partly Sunny

    • 71
    • 95

    Partly Sunny

    • 70
    • 93

    Partly Sunny

    • 70
    • 91

    Mostly Cloudy

    • 72
    • 92

    Partly Sunny

Today 21 Sep Collin

Sunny. A slight chance of Showers and Thunderstorms this Morning, then a chance of Showers and Thunderstorms this afternoon. Highs in the mid 90s. Northeast Winds around 5 Mph. Chance of rain 40 percent.

Tonight 21 Sep Collin

Mostly clear with a 20 percent chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the lower 70s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Stoney Hollow Temperature Statistics

September Temperature

McKinney - McKinney National Airport (9.3 miles)

  • Lowest 18 September, 2026

    73.9 °F

  • Average September

    87.9 °F

  • Highest 12 September, 2026

    101.6 °F

Climate (2021–2026)

McKinney - McKinney National Airport (9.3 miles)

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  • Average Low 2021–2026

    56.6 °F

  • Average 2021–2026

    67.6 °F

  • Average High 2021–2026

    78.6 °F
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