Big Lost Lake Weather Forecast

    • 48
    • 64

    Increasing Clouds

    • 41
    • 53

    Rain Showers Likely

    • 40
    • 57

    Sunny

    • 44
    • 61

    Sunny

    • 50
    • 65

    Sunny

    • 49
    • 66

    Sunny

Today 19 Jun Sun Valley Region

Sunny. Highs 77 to 86.

Tonight 19 Jun Sun Valley Region

Mostly cloudy. Lows 48 to 58.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Lost Lake Temperature Statistics

June Temperature

Hailey, Friedman Memorial Airport (24.2 miles)

  • Lowest 10 June, 2026

    33.8 °F

  • Average June

    58.2 °F

  • Highest 16 June, 2026

    87.8 °F

Climate (2021–2026)

Hailey, Friedman Memorial Airport (24.2 miles)

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  • Average Low 2021–2026

    34.8 °F

  • Average 2021–2026

    43.2 °F

  • Average High 2021–2026

    56.7 °F
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