Ketchum Weather Forecast

    • 45
    • 77

    Chance Thunderstorms

    • 43
    • 74

    Rain Showers

    • 44
    • 76

    Rain Showers

    • 46
    • 79

    Partly Sunny

    • 48
    • 81

    Mostly Cloudy

    • 44
    • 80

    Chance Rain

Today 13 Aug Sun Valley Region

Mostly cloudy. A slight chance of rain Showers in the morning. Then a chance of Showers and Thunderstorms in the afternoon. Highs 68 to 77.

Tonight 13 Aug Sun Valley Region

Mostly cloudy. A slight chance of Showers and Thunderstorms in the evening. Then a slight chance of rain Showers after midnight. Colder. Lows 43 to 53.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Ketchum Temperature Statistics

August Temperature

Hailey, Friedman Memorial Airport (12.4 miles)

  • Lowest 4 August, 2026

    46.4 °F

  • Average August

    67.6 °F

  • Highest 1 August, 2026

    93.2 °F

Climate (2021–2026)

Hailey, Friedman Memorial Airport (12.4 miles)

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  • Average Low 2021–2026

    34.7 °F

  • Average 2021–2026

    43.2 °F

  • Average High 2021–2026

    56.6 °F
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