Black Canyon Reservoir Weather Forecast

    • 46
    • 76

    Mostly Sunny

    • 49
    • 85

    Sunny

    • 47
    • 79

    Rain Showers Likely

    • 46
    • 69

    Slight Chance Rain Showers

    • 47
    • 79

    Mostly Sunny

    • 50
    • 79

    Mostly Sunny

    • 54
    • 86

    Mostly Sunny

Today 1 May Lower Treasure Valley

Sunny. Highs 72 to 77. Light Winds.

Tonight 1 May Lower Treasure Valley

Mostly clear. Lows 44 to 49. Light Winds.

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Black Canyon Reservoir Temperature Statistics

May Temperature

Caldwell - Caldwell Industrial Airport (23 miles)

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Climate (2020–Present)

Caldwell - Caldwell Industrial Airport (23 miles)

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  • Average Low 2020–2025

    41.2 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    64.7 °F
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