Sun Valley Weather Forecast

    • 8
    • 28

    Mostly Sunny

    • 14
    • 33

    Partly Sunny

    • 18
    • 40

    Partly Sunny

    • 19
    • 42

    Partly Sunny

    • 24
    • 44

    Partly Sunny

    • 26
    • 47

    Partly Sunny

Today 8 Jan Sun Valley Region

Mostly sunny. Highs 19 to 28. Wind chill Readings 7 below to 17 below zero.

Tonight 8 Jan Sun Valley Region

Mostly clear. Lows 4 to 11. Wind chill Readings 10 below to 20 below zero.

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Sun Valley Temperature Statistics

January Temperature

Hailey, Friedman Memorial Airport (13.7 miles)

  • Lowest 1 January, 2026

    32 °F

  • Average January

    34.9 °F

  • Highest 2 January, 2026

    42.8 °F

Climate (2021–Present)

Hailey, Friedman Memorial Airport (13.7 miles)

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  • Average Low 2021–2026

    34.3 °F

  • Average 2021–2026

    42.5 °F

  • Average High 2021–2026

    56.2 °F
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