Copper Basin Reservoir Weather Forecast

    • 80
    • 99

    Hot

    • 81
    • 104

    Hot

    • 84
    • 106

    Hot

    • 85
    • 107

    Hot

    • 83
    • 105

    Hot

    • 79
    • 102

    Hot

    • 79
    • 100

    Hot

Today 7 Sep San Bernardino County-Upper Colorado River Valley

Mostly sunny. Highs around 100. Northwest Winds up to 10 Mph.

Tonight 7 Sep San Bernardino County-Upper Colorado River Valley

Partly cloudy. Lows 79 to 82. Northwest Winds up to 10 Mph.

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Copper Basin Reservoir Temperature Statistics

September Temperature

Havasu City Airport (20.5 miles)

  • Lowest 5 September, 2026

    80.6 °F

  • Average September

    92.4 °F

  • Highest 1 September, 2026

    102.2 °F

Climate (2021–2026)

Havasu City Airport (20.5 miles)

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  • Average Low 2021–2026

    66.1 °F

  • Average 2021–2026

    77.2 °F

  • Average High 2021–2026

    87.8 °F
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