Ketchum Weather Forecast

    • 35
    • 66

    Increasing Clouds

    • 37
    • 68

    Partly Sunny

    • 40
    • 79

    Mostly Sunny

    • 40
    • 80

    Mostly Sunny

    • 40
    • 78

    Partly Sunny

    • 36
    • 70

    Mostly Cloudy

Today 21 May Sun Valley Region

Sunny. Highs 57 to 67.

Tonight 21 May Sun Valley Region

Partly cloudy. Lows 32 to 42.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ketchum Temperature Statistics

May Temperature

Hailey, Friedman Memorial Airport (12.4 miles)

  • Lowest 6 May, 2026

    32 °F

  • Average May

    60.8 °F

  • Highest 12 May, 2026

    84.2 °F

Climate (2021–Present)

Hailey, Friedman Memorial Airport (12.4 miles)

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  • Average Low 2021–2026

    34.8 °F

  • Average 2021–2026

    43.1 °F

  • Average High 2021–2026

    56.7 °F
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