Ketchum Weather Forecast

    • 41
    • 80

    Sunny

    • 42
    • 77

    Mostly Sunny

    • 34
    • 63

    Rain Showers Likely

    • 32
    • 54

    Rain Likely

    • 29
    • 55

    Chance Rain/Snow

    • 30
    • 58

    Chance Rain

Today 8 Oct Sun Valley Region

Sunny. Highs 70 to 80.

Tonight 8 Oct Sun Valley Region

Mostly clear. Lows 38 to 48.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ketchum Temperature Statistics

October Temperature

Hailey, Friedman Memorial Airport (12.4 miles)

  • Lowest 1 October, 2026

    44.6 °F

  • Average October

    56.3 °F

  • Highest 4 October, 2026

    80.6 °F

Climate (2021–2026)

Hailey, Friedman Memorial Airport (12.4 miles)

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  • Average Low 2021–2026

    34.8 °F

  • Average 2021–2026

    43.3 °F

  • Average High 2021–2026

    56.7 °F
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