Copper Basin Reservoir Weather Forecast

    • 82
    • 101

    Hot

    • 80
    • 101

    Hot

    • 78
    • 100

    Hot

    • 77
    • 100

    Hot

    • 77
    • 100

    Hot

    • 77
    • 102

    Hot

    • 77
    • 103

    Hot

Today 13 Sep San Bernardino County-Upper Colorado River Valley

Sunny. Highs 100 to 103. South Winds 10 to 20 Mph.

Tonight 13 Sep San Bernardino County-Upper Colorado River Valley

Mostly clear. Lows 81 to 84. South Winds 10 to 15 Mph with Gusts to around 30 Mph.

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Copper Basin Reservoir Temperature Statistics

September Temperature

Havasu City Airport (20.5 miles)

  • Lowest 7 September, 2026

    78.8 °F

  • Average September

    94.3 °F

  • Highest 10 September, 2026

    113 °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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