Black Mountain Weather Forecast

    • 72
    • 84

    Rain Likely

    • 76
    • 93

    Mostly Sunny

    • 81
    • 96

    Mostly Sunny

    • 85
    • 100

    Hot

    • 86
    • 103

    Hot

    • 84
    • 103

    Hot

Today 6 Sep Las Vegas Valley

Rain likely in the Morning, then chance of Showers and slight chance of Thunderstorms in the afternoon. Not as warm. Highs 82 to 85 on the west side. 84 to 87 on the east side. South Winds 5 to 15 Mph. Chance of precipitation 70 percent.

Tonight 6 Sep Las Vegas Valley

Mostly cloudy in the evening then becoming partly cloudy. Cooler. Lows 66 to 70 on the west side. 70 to 74 on the east side. Southeast Winds up to 10 Mph shifting to the southwest after midnight.

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Black Mountain Temperature Statistics

September Temperature

Boulder City Municipal Airport (8.1 miles)

  • Lowest 3 September, 2026

    68 °F

  • Average September

    85 °F

  • Highest 1 September, 2026

    98.6 °F

Climate (2021–2026)

Boulder City Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    58 °F

  • Average 2021–2026

    70.2 °F

  • Average High 2021–2026

    81.2 °F
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