Hoover Dam Weather Forecast

    • 72
    • 86

    Rain Showers Likely

    • 75
    • 85

    Chance Thunderstorms

    • 75
    • 87

    Slight Chance Thunderstorms

    • 76
    • 87

    Mostly Sunny

    • 77
    • 90

    Mostly Sunny

    • 76
    • 93

    Mostly Sunny

Today 18 Sep Lake Mead National Recreation Area

Mostly cloudy. Slight chance of rain Showers in the Morning, then chance of Thunderstorms in the afternoon. Highs around 89 at hoover dam. Around 93 in Laughlin. South Winds 5 to 15 Mph. Chance of precipitation 50 percent.

Tonight 18 Sep Lake Mead National Recreation Area

Mostly cloudy. Chance of Thunderstorms in the Evening, then rain Showers likely and slight chance of Thunderstorms after midnight. Lows around 69 at hoover dam. Around 75 in Laughlin. South Winds up to 10 Mph. Chance of precipitation 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hoover Dam Temperature Statistics

September Temperature

Boulder City Municipal Airport (8.1 miles)

  • Lowest 6 September, 2025

    66.2 °F

  • Average September

    83.8 °F

  • Highest 1 September, 2025

    105.8 °F

Climate (2020–Present)

Boulder City Municipal Airport (8.1 miles)

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  • Average Low 2020–2025

    57.4 °F

  • Average 2020–2025

    69.7 °F

  • Average High 2020–2025

    80.8 °F
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