Nelson Weather Forecast

    • 72
    • 90

    Partly Sunny

    • 66
    • 88

    Increasing Clouds

    • 69
    • 86

    Sunny

    • 71
    • 87

    Sunny

    • 73
    • 90

    Mostly Sunny

    • 72
    • 90

    Mostly Sunny

    • 71
    • 91

    Mostly Sunny

Today 20 Sep Lake Mohave - NV side

Sunny. Highs 96 to 99. North Winds up to 5 Mph shifting to the south in the afternoon.

Tonight 20 Sep Lake Mohave - NV side

Partly cloudy. Lows 76 to 79. Southeast Winds up to 10 Mph.

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Nelson Temperature Statistics

September Temperature

Boulder City Municipal Airport (16.2 miles)

  • Lowest 3 September, 2026

    68 °F

  • Average September

    87.3 °F

  • Highest 10 September, 2026

    105.8 °F

Climate (2021–2026)

Boulder City Municipal Airport (16.2 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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