Copper Basin Reservoir Weather Forecast

    • 73
    • 94

    Mostly Sunny

    • 76
    • 97

    Hot

    • 76
    • 96

    Mostly Sunny

    • 76
    • 96

    Mostly Sunny

    • 76
    • 99

    Hot

    • 73
    • 96

    Partly Sunny

    • 70
    • 92

    Slight Chance Rain Showers

Today 22 Sep San Bernardino County-Upper Colorado River Valley

Mostly clear. Lows 69 to 72. Highs 92 to 95.

Tonight 22 Sep San Bernardino County-Upper Colorado River Valley

Mostly clear. Lows 72 to 75. Northwest Winds up to 5 Mph shifting to the north after midnight.

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  • Temperature Real-Time

Copper Basin Reservoir Temperature Statistics

September Temperature

Havasu City Airport (20.5 miles)

  • Lowest 20 September, 2026

    73.4 °F

  • Average September

    93.6 °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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