Big Lost Lake Weather Forecast

    • 38
    • 50

    Becoming Sunny

    • 23
    • 45

    Partly Sunny

    • 27
    • 38

    Partly Sunny

    • 31
    • 41

    Mostly Cloudy

    • 33
    • 44

    Partly Sunny

    • 23
    • 43

    Partly Sunny

    • 20
    • 34

    Mostly Sunny

Today 20 Mar Sun Valley Region

Sunny. Highs 61 to 71.

Tonight 20 Mar Sun Valley Region

Mostly clear. Lows 37 to 45.

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Big Lost Lake Temperature Statistics

March Temperature

Hailey, Friedman Memorial Airport (24.2 miles)

  • Lowest 11 March, 2026

    19.4 °F

  • Average March

    37.3 °F

  • Highest 18 March, 2026

    73.4 °F

Climate (2021–Present)

Hailey, Friedman Memorial Airport (24.2 miles)

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  • Average Low 2021–2026

    34.6 °F

  • Average 2021–2026

    42.8 °F

  • Average High 2021–2026

    56.5 °F
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