Ketchum Weather Forecast

    • 36
    • 63

    Rain Showers

    • 26
    • 51

    Rain

    • 25
    • 52

    Mostly Sunny

    • 27
    • 55

    Mostly Sunny

    • 27
    • 56

    Partly Sunny

    • 26
    • 54

    Partly Sunny

Today 22 Oct Sun Valley Region

A slight chance of rain in the morning. Then rain Showers likely and a slight chance of Thunderstorms in the afternoon. Highs 55 to 63.

Tonight 22 Oct Sun Valley Region

Rain Showers and a slight chance of Thunderstorms in the evening. Then rain Showers, snow Showers and a slight chance of Thunderstorms after midnight. Colder. Snow accumulation up to 2 Inches. Lows 33 to 41.

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Ketchum Temperature Statistics

October Temperature

Hailey, Friedman Memorial Airport (12.4 miles)

  • Lowest 14 October, 2026

    32 °F

  • Average October

    49.9 °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

    34.9 °F

  • Average 2021–2026

    43.4 °F

  • Average High 2021–2026

    56.8 °F
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