Lower Box Canyon Lake Weather Forecast

    • 49
    • 69

    Chance Thunderstorms

    • 50
    • 71

    Slight Chance Thunderstorms

    • 51
    • 72

    Mostly Sunny

    • 54
    • 73

    Partly Sunny

    • 52
    • 70

    Chance Rain

    • 50
    • 68

    Rain Showers Likely

    • 50
    • 67

    Rain Showers Likely

Today 17 Jul Big Lost Highlands/Copper Basin

Mostly sunny with isolated Showers and Thunderstorms in the morning. Then mostly cloudy with scattered Showers and Thunderstorms in the afternoon. Highs 78 to 88.

Tonight 17 Jul Big Lost Highlands/Copper Basin

Partly cloudy. A chance of Showers and Thunderstorms in the evening. Lows 49 to 59.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lower Box Canyon Lake Temperature Statistics

July Temperature

Hailey, Friedman Memorial Airport (19.3 miles)

  • Lowest 1 July, 2026

    46.4 °F

  • Average July

    66.3 °F

  • Highest 12 July, 2026

    95 °F

Climate (2021–2026)

Hailey, Friedman Memorial Airport (19.3 miles)

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  • Average Low 2021–2026

    34.7 °F

  • Average 2021–2026

    43.2 °F

  • Average High 2021–2026

    56.5 °F
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