Preston Hollow Weather Forecast

    • 75
    • 94

    Slight Chance Thunderstorms

    • 75
    • 93

    Mostly Sunny

    • 75
    • 96

    Mostly Sunny

    • 76
    • 97

    Mostly Sunny

    • 74
    • 96

    Partly Sunny

    • 70
    • 87

    Chance Thunderstorms

Today 21 Aug Collin

Mostly sunny with a 20 percent chance of Showers and Thunderstorms. Highs in the mid 90s. Northeast Winds 5 to 10 Mph.

Tonight 21 Aug Collin

Mostly clear. A slight chance of Showers and Thunderstorms in the evening. Lows in the mid 70s. Northeast Winds 5 to 10 Mph. Chance of rain less than 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Preston Hollow Temperature Statistics

August Temperature

Dallas / Addison Airport (8.7 miles)

  • Lowest 4 August, 2025

    71.6 °F

  • Average August

    85.9 °F

  • Highest 19 August, 2025

    104 °F

Climate (2020–Present)

Dallas / Addison Airport (8.7 miles)

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  • Average Low 2020–2025

    59.2 °F

  • Average 2020–2025

    66.9 °F

  • Average High 2020–2025

    77.5 °F
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