McCullough Mountain Weather Forecast

    • 63
    • 78

    Mostly Sunny

    • 62
    • 78

    Partly Sunny

    • 60
    • 71

    Rain Showers Likely

    • 60
    • 70

    Rain Showers Likely

    • 61
    • 73

    Slight Chance Thunderstorms

    • 61
    • 74

    Slight Chance Thunderstorms

Today 16 Sep Southern Clark County

Sunny. Highs 90 to 93. West Winds up to 5 Mph.

Tonight 16 Sep Southern Clark County

Mostly clear. Lows 69 to 72. West Winds up to 10 Mph.

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McCullough Mountain Temperature Statistics

September Temperature

Las Vegas - Henderson Executive Airport (25.5 miles)

  • Lowest 12 September, 2025

    68 °F

  • Average September

    84.7 °F

  • Highest 1 September, 2025

    104 °F

Climate (2020–Present)

Las Vegas - Henderson Executive Airport (25.5 miles)

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  • Average Low 2020–2025

    57.3 °F

  • Average 2020–2025

    68.8 °F

  • Average High 2020–2025

    79.7 °F
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