Upper Box Canyon Lake Weather Forecast

    • 6
    • 15

    Snow Showers Likely

    • 10
    • 23

    Slight Chance Snow Showers

    • 20
    • 32

    Partly Sunny

    • 27
    • 41

    Partly Sunny

    • 30
    • 47

    Partly Sunny

    • 29
    • 46

    Chance Rain/Snow

Today 16 Apr Sun Valley Region

Partly sunny. A chance of snow Showers in the morning. Then a chance of snow Showers and a slight chance of Thunderstorms in the afternoon. Snow accumulation up to 2 Inches. Highs 27 to 37.

Tonight 16 Apr Sun Valley Region

Partly cloudy. A chance of snow Showers in the evening. Lows 9 to 19.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Upper Box Canyon Lake Temperature Statistics

April Temperature

Hailey, Friedman Memorial Airport (19.3 miles)

  • Lowest 3 April, 2026

    26.6 °F

  • Average April

    49.4 °F

  • Highest 6 April, 2026

    71.6 °F

Climate (2021–Present)

Hailey, Friedman Memorial Airport (19.3 miles)

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  • Average Low 2021–2026

    34.7 °F

  • Average 2021–2026

    43 °F

  • Average High 2021–2026

    56.6 °F
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