Black Mountain Weather Forecast

    • 91
    • 110

    Slight Chance Thunderstorms

    • 90
    • 109

    Hot

    • 86
    • 103

    Slight Chance Thunderstorms

    • 83
    • 100

    Chance Thunderstorms

    • 81
    • 97

    Chance Thunderstorms

    • 80
    • 97

    Chance Thunderstorms

Today 9 Aug Las Vegas Valley

Sunny in the Morning, then partly sunny with chance of Showers and slight chance of Thunderstorms in the afternoon. Highs 107 to 111 on the west side. 111 to 114 on the east side. South Winds 5 to 15 Mph. Chance of precipitation 40 percent.

Tonight 9 Aug Las Vegas Valley

Partly cloudy. A 20 percent chance of Thunderstorms in the evening. Lows 84 to 88 on the west side. 88 to 92 on the east side. Southwest Winds 5 to 15 Mph.

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Black Mountain Temperature Statistics

August Temperature

Boulder City Municipal Airport (8.1 miles)

  • Lowest 1 August, 2026

    82.4 °F

  • Average August

    99.8 °F

  • Highest 1 August, 2026

    114.8 °F

Climate (2021–2026)

Boulder City Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    58 °F

  • Average 2021–2026

    70.1 °F

  • Average High 2021–2026

    81.2 °F
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