McCullough Mountain Weather Forecast

    • 60
    • 78

    Sunny

    • 56
    • 76

    Sunny

    • 57
    • 75

    Sunny

    • 59
    • 76

    Mostly Sunny

    • 61
    • 76

    Mostly Sunny

    • 59
    • 72

    Chance Thunderstorms

    • 61
    • 70

    Chance Thunderstorms

Today 31 Aug Southern Clark County

Sunny, breezy. Highs 90 to 93. South Winds 15 to 25 Mph.

Tonight 31 Aug Southern Clark County

Clear. Lows 69 to 72. South Winds 5 to 15 Mph.

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McCullough Mountain Temperature Statistics

August Temperature

Las Vegas - Henderson Executive Airport (25.5 miles)

  • Lowest 15 August, 2026

    66 °F

  • Average August

    95.1 °F

  • Highest 1 August, 2026

    114.1 °F

Climate (2021–2026)

Las Vegas - Henderson Executive Airport (25.5 miles)

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  • Average Low 2021–2026

    57.9 °F

  • Average 2021–2026

    69.2 °F

  • Average High 2021–2026

    80.1 °F
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