Copper Basin Reservoir Weather Forecast

    • 83
    • 103

    Hot

    • 81
    • 101

    Chance Thunderstorms

    • 80
    • 99

    Slight Chance Thunderstorms

    • 80
    • 100

    Hot

    • 81
    • 102

    Hot

    • 82
    • 104

    Hot

Today 11 Aug San Bernardino County-Upper Colorado River Valley

Mostly sunny. Slight chance of Showers in the Morning, then slight chance of Thunderstorms in the afternoon. Highs 102 to 105. South Winds 5 to 15 Mph. Chance of precipitation 20 percent.

Tonight 11 Aug San Bernardino County-Upper Colorado River Valley

Partly cloudy. Lows 83 to 86. South Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Copper Basin Reservoir Temperature Statistics

August Temperature

Havasu City Airport (20.5 miles)

  • Lowest 1 August, 2026

    91.4 °F

  • Average August

    104 °F

  • Highest 1 August, 2026

    118.4 °F

Climate (2021–2026)

Havasu City Airport (20.5 miles)

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  • Average Low 2021–2026

    66 °F

  • Average 2021–2026

    77.2 °F

  • Average High 2021–2026

    87.7 °F
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